Abnormal Psychology Test 1: Chapters 1, 2, 3, and 4 – Flashcards

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There are no universal standards or rules for labeling a behavior abnormal Behaviors are labeled abnormal relative to cultural norms
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cultural relativism
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dysfunction, distress, deviance, and dangerousness - These constitute feelings or behaviors classified as maladaptive or abnormal
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What are the 4 'D's of abnormality
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Large numbers of people engage in unusual behaviors that appear to have a psychological origin
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Psychic Epidemics
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When behaviors, thoughts or actions interfere with the person;s ability to function in daily life, to hold a job, or to form close relationships.
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dysfunction (four D's of abnormality)
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Causes emotional or physical pain Can be distress to the individual, or to those around them
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distress (four D's of abnormality)
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Leads to judgement of abnormality. what is considered deviant is influenced by cultural norms. Wide array of behaviors are considered deviant including hearing voices.
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deviance (four D's of abnormality)
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potential harm to others, excessive aggressiveness, suicidal beliefs.
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Dangerousness (four D's of abnormality)
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biological, supernatural, psychological
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historical perspectives on abnormality: 3 theories
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Problems in thoughts, feelings, and behavior vary from normal to abnormal No clear dividing line exists between normal variations in thoughts, emotions, and behaviors and what would be labeled as abnormal Judgment on where to draw the line between normality and abnormality are subjective
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Continuum Model of Abnormality
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Study of abnormal psychology that includes people who suffer unusual: Mental pain Emotional pain Physical pain
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Psychopathology
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Ways people express symptoms of abnormality People's willingness to admit to certain types of behaviors or feelings Types of treatments deemed acceptable or helpful for people exhibiting abnormal behaviors
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Culture and gender influence is shown by:
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Driving away evil spirits by: Exorcism Trephination: Sections of the skull are drilled or cut away to allow evil spirits to go out of the body
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Ancient theories: Prehistoric times
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Balancing Yin and Yang Emotions controlled by internal organs
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Ancient theories: Ancient China
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Biological theories dominated Hysteria Diseases result from imbalances in the body's essential humors
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Ancient Theories: Ancient Egypt, Greece, and Rome
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Abnormal behavior was attributed to physical causes or traumas Witchcraft Persons accused of witchcraft were possibly mentally ill Psychic epidemics
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Medieval Views
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Growth of a more humane treatment of the mentally ill People become mad because they are separated from nature People succumb to the stresses imposed by the rapid social changes of the period
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Mental Hygiene Movement
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Patients be provided with humane conditions to live in Failure Patients remained impaired or their condition worsened Number of patients who failed to benefit increased
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Moral Treatment
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Disease that leads to paralysis, insanity, and eventually death
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General Paresis
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discovery of the cause of general paresis
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One of the most important discoveries of modern biological theories:
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Wilhelm Griesinger - Psychological disorders can be explained in terms of brain pathology
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Wilhelm Griesinger
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Developed a scheme for classifying symptoms into discrete disorders that is followed even today - helped develop the original DSM
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Kraepelin
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Wilhelm Griesinger, Kraepelin
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2 Main people of the modern biological perspective theory:
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Applying animal magnetism to cure disturbed magnetism in patient's body
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Mesmerism
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Study of the unconscious
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Psychoanalysis
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Conditioning response in the presence of a stimuli
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Classical conditioning
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Study of the role of reinforcement and punishment in determining behavior
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Behaviorism
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Thought processes that influence behavior and emotion
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Cognitions
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People's beliefs about their ability to execute the behaviors necessary to control important events
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self-efficacy beliefs
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Integrating mental patients into the community with the support of community-based treatment facilities
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Deinstitutionalization
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Mental patients recover better or live more satisfying lives if they are integrated into the community
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Patients' rights movement
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Provide coordinated mental health services to people in community mental health centers
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Community mental health movement
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Offer people with long-term mental health problems the opportunity to live in a structured, supportive environment - a center for helping former drug addicts, prisoners, psychiatric patients, or others to adjust to life in general society.
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Halfway houses
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Allow people to obtain treatment during the day, along with occupational and rehabilitative therapies People live at home at night
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Day Treatment centers
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Collection of methods for coordinating care Ranges from simple monitoring to total control over what care can be provided and paid for Solves problems created by deinstitutionalization
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Managed Care
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Psychiatrists Clinical psychologists Marriage and family therapists Clinical social workers Licensed mental health counselors Psychiatric nurses
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Professions within abnormal psychology
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MD can prescribe medication, have been trained in psychotherapies as well
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Psychiatrists
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PhD or PsyD specialization in treating and researching psychological problems. Can conduct psychotherapy, but mostly do not prescribe medication
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clinical psychologists
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specialize in helping families, couples, and children overcome problems that are interfering with their well being.
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marriage and family therapists
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masters degree in social work. work on helping people with psychological problems overcome social conditions that are contributing to the problem such as homelessness or joblessness
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clinical social workers
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individuals who have graduate training in counseling beyond the bachelors degree in counseling by have no obtained a PhD
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licensed mental health councelors
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degree in nursing. specialization int the treatment of people with severe psychological problems - can prescribe medication
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psychiatric nurses
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Biological, social, and psychological factors are integrated not singular theories
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The integrationist approach to understanding mental health
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Set of ideas that provides a framework for questioning, gathering and interpreting information about a phenomenon
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Theory
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Treatment that addresses factors that theory says cause the phenomenon
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Therapy
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Combination of biological, psychological, and sociocultural factors that results in the development of psychological symptoms Referred as risk factors because they increase the risk of psychological problems
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Biopsychosocial approach
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Genetic predisposition
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biological risk factors
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Increases the risk of multiple types of psychological problems
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transdiagnostic risk factors
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only when the risk factor and the trigger or stress come together in the same individual does the full disorder emerge Diathesis (Bio, Soc, or Psych factor) + Stress (Bio, Soc, Psych trigger) = disorder
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Diathesis Stress Model
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one of the most dramatic examples of the effect of biological factors on psychological functioning
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Phineas Gage
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Brain dysfunction, chemical imbalances, and genetic abnormalities
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3 Biological causes of abnormality
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Set of structures that regulate many instinctive behaviors, such as reactions to stressful events and eating Located around the central core of the brain and closely interconnected with the hypothalamus
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Limbic system
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Structure of the limbic system that is critical in emotions such as fear
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Amygdala
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Part of the limbic system that plays a role in memory
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Hippocampus
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Biochemicals that act as messengers carrying impulses from one neuron, or nerve cell, to another in the brain and in other parts of the nervous system
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Nuerotransmitters
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Slight gap between the synaptic terminals and the adjacent neurons
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synapse
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Molecules on the membrane of adjacent neurons
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receptors
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Occurs when the neurons that initially released the neurotransmitter into the synapse reabsorb the neurotransmitter, decreasing the amount left in the synapse
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Reuptake
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Occurs when the receiving neuron releases an enzyme into the synapse that breaks down the neurotransmitter into other biochemicals
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degredation
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Psychological symptoms may possibly be associated with: Number and functioning of the receptors for neurotransmitters on the dendrites Malfunctioning in neurotransmitter systems
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Biochemical Imbalances
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Travels through many key areas of the brain, affecting the function of those areas
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Serotonin
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Found in areas of the brain associated with the experience of reinforcements or rewards, and it is affected by substances, such as alcohol, that are found rewarding
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Dopamine
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Produced by neurons in the brain stem Cocaine and amphetamine, prolong the action of norepinephrine by slowing its reuptake process
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Norepinephrine
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Inhibits the action of other neurotransmitters Tranquilizing effect of some drugs is because they increase the inhibitory activity of GABA
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Gammaaminobutyric acid or GABA
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System of glands that produces chemicals called hormones released directly into the blood
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Endocrine system
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Carries messages throughout the body and affects: Mood Levels of energy Reactions to stress
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hormones
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Produces the largest number of different hormones and controls the secretion of other endocrine glands
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Pituitary
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anxiety and depression
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Malfunctioning of the hypothalamic-pituitary-adrenal axis (HPA axis) causes
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pituitary gland
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"master gland"
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Study of the genetics of personality and abnormality is concerned with the following questions To what extent are behaviors or behavioral tendencies inherited? What are the processes by which genes affect behavior?
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Behavioral Genetics
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Disorders are associated with multiple abnormal genes
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Gene abnormality
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Multiple genetic abnormalities coming together in one individual to create a specific disorder
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Polygenic process
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Genetic factors influence the kinds of environments chosen which reinforces individual's genetically influenced personalities and interests Environment acts as a catalyst for a genetic tendency
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Genetics and the Environment
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Environmental conditions affect the expression of genes Environment modifies the DNA to turn on or off
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Epigenetics
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Help relieve psychological symptoms by improving the functioning of neurotransmitter systems
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Drug therapies
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Used rarely, and only with people who have severe disorders that do not respond to other forms of treatment
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Psychosurgery
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Used to treat mania and has fewer side effects than lithium
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Anticonvulsants
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Repetitive transcranial magnetic stimulation (rTMS ) Deep brain stimulation Vagus nerve stimulation
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Electroconvulsive therapy and newer brain stimulation techniques
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biological treatment that exposes patients to repeated, high intensity magnetic pulses that are focused on particular brain structures in order to stimulate those structures.
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Repetitive transcranial magnetic stimulation (rTMS )
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treatment in which the vagus nerve - the part of the automatic nervous system that carries information from the head, neck, thorax, and abdomen to several areas of the brain, including the hypothalamus and amygdala - is stimulated by a small electronic device much like a cardiac pacemaker, which is surgically implanted under a patient's skin in the left chest wall - treats epilepsy and in rare cases depression
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Vagus nerve stimulation
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procedure to treat depression in which electrodes are surgically implanted in specific areas of the brain and connected to a pulse generator that is placed under the skin and stimulates these brain areas
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Deep brain stimulation
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Reduce symptoms of psychosis (loss of reality testing, hallucinations, delusions) - Thorazine (a phenothiazine), Haldol (a butyrophenone), Clozaril (an atypical antipsychotic)
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Antipsychotic drugs
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reduce symptoms of depression (sadness, loss of appetite, sleep disturbances) - Parnate (an MAO inhibitor), Elavil (a tricyclic), Prozac (a selective serotonin reuptake inhibitor)
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Antidepressant drugs
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Reduces symptoms of mania (agitation, excitement, grandiosity) - Lithobid, Cibalith-S
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Lithium
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Reduces symptoms of anxiety - Numbutal (a barbiturate) and Valium (a benziazepine)
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Antianxiety drugs
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Treatment is drug dependent and address biological issues Side effects are worse than the disorder itself Role of the environment and psychological processes are not addressed (role of the sufferer is solely to remember to take the medication)
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Biological Approach - Treatment
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Behavioral, Cognitive, Psychodynamic and humanistic, family systems, and emotion=focused approaches
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What are the 5 psychological approaches?
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Explains people's seemingly irrational responses to a host of neutral stimuli Pairing a previous stimulus that naturally leads to a certain response, and eventually the neutral stimulus will be able to elicit that respones
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Classical conditioning
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Shaping of behaviors by rewarding desired behaviors punishing undesired behaviors
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operant conditioning
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New behaviors are learnt from imitating the behaviors modeled by important people
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modeling
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Person observes the rewards and punishments that another person receives and then behaves accordingly
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observational learning
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occurs when reinforcement is delivered after every single target behaviour
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continuous reinforcement schedule (CRF)
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reinforcement is delivered after some behaviors or responses but never after each one. Harder to become extinct. Example - gambling
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partial reinforcement schedule (INT)
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disappearance of a previously learned behavior when the behavior is not reinforced.
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extinction
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behavior that is reinforced because is allows individuals to avoid situations that cause anxiety
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conditioned avoidance response
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stimulus that naturally produces a desired response (dog food)
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Unconditioned stimulus (US)
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response naturally occurring in the presence of the unconditioned stimulus - dog salivates
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unconditioned response (UR)
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previously neutral stimulus paired with the unconditioned stimulus (bell)
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conditioned stimulus (CS)
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response occurring in the presence of the conditioned stimulus (dog salivates)
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conditioned response (CR)
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removes the individual from the reinforcing situation or environment
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removal of reinforcements
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makes the situation or stimulus that was once reinforcing no longer reinforcing - a type of behavior therapy designed to make a patient give up an undesirable habit by causing them to associate it with an unpleasant effect.
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aversion therapy
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help the individual voluntarily control physiological manifestations of anxiety
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relaxation excercises
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help the individual temporarily distract from anxiety-producing situations; divert attention from physiological manifestations of anxiety
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distraction techniques
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exposes the individual to the dreaded or feared stimulus while preventing the avoided behavior
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flooding or implosive therapy
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pairs the implementation of relaxation techniques with hierarchical exposure to the aversive stimulus
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systematic desensitization
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pairs rewards with desired behaviors
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response shaping with operant conditioning
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provides rewards for reaching proximal goals
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behavioral contracting
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models desired behaviors, so that the client can learn through observation
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modeling and observational learning
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free will
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behavioral theories have been criticized for not recognizing ___ _____ in people's behaviors
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modeling
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often systematic desensitization therapy is combined with _________
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experiencing the feared exposure - confronting it to overcome the fear (in systematic desensitization therapy - works better than simply imagination of the exposure)
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in vivo exposure
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Argue that it is not just rewards and punishments that motivate human behavior Cognition shape behavior and emotions
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Cognitive theories
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Thoughts or beliefs
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cognition
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Of events can influence behavior because it impacts the meaning given to present and future events
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causal attributions
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Broad beliefs of oneself, relationships and the world
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global assumptions
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Identify and challenge negative thoughts and dysfunctional belief systems Helps to learn effective problem-solving techniques to deal with the concrete problems Designed to be short term
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cognitive therapies
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Cognitive techniques combined with behavioral techniques
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Cognitive-behavioral therapy
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Assist clients in identifying their irrational and maladaptive thoughts Teach clients to challenge their irrational or maladaptive thoughts and to consider alternative ways of thinking Encourage clients to face their worst fears about a situation and recognize ways they could cope
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Goals of Cognitive therapy (3)
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Difficult to prove that maladaptive cognitions precede and cause disorders Rather than being the symptoms or consequences of the disorders - Does depression cause negative thoughts or do negative thoughts cause depression?
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greatest limitation of the cognitive approach
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Sexual disorders Substance use disorders
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Cognitive therapy has been proven useful in disorders such as:
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Believes all behavior, thoughts, and emotions, both normal or abnormal, are influenced by unconscious processes Includes psychoanalysis and several newer approaches
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Psychodynamic theories
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Theory of personality and psychopathology Method of investigating the mind Form of treatment for psychopathology
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psychoanalysis
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id, ego, superego
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three systems of the human psyche
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sexual drive (libido) and aggressive drive
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Freud - two basic drives that motivate human behavior
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System from which the libido emerges, and its drives and impulses seeks immediate release
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id
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Force that gratifies wishes and needs in ways that remain within the rules of society for its appropriate expression
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ego
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Storehouse of rules and regulations for the conduct of behavior that are learned from one's parents and from society
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superego
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Completely out of our awareness
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unconcious
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Intermediate between the unconscious and the conscious
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preconcious
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unconcious
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where do interactions among the id, ego, and superego occur?
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Retreating to a behavior of an earlier developmental period to prevent anxiety and satisfy current needs
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regression
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Refusing to perceive or accept reality
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denial
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Discharging unacceptable feelings against someone or something other than the true target of these feelings
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displacement
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Inventing an acceptable motive to explain unacceptably motivated behavior
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rationalization
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Adopting a cold, distanced perspective on a matter that actually creates strong, troubled unpleasant feelings
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intellectualization
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Attributing one's own unacceptable motives or desires to someone else - when you hate someone so you accuse the other person of hating you
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projection
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Adopting a set of attitudes and behaviors that are the opposite of one's true dispositions
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reaction formation
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Adopting the ideas, values, and tendencies of someone in a superior position in order to elevate self-worth
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identification
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Type of defense mechanism Translating wishes and needs into socially acceptable behavior. - Satisfying an impulse (aggression) with a substitute object. In a socially acceptable way. Example: Sports to get rid of aggression
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sublimation
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oral, anal, phallic, latent, genital
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What are the 5 psychosexual stages?
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Emphasizes on individual's ability to regulate defenses that allow healthy functioning within the realities of society
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ego psychology
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Integrated significant aspects of Freud's drive theory with the role of early relationships in areas of development of self-concept and personality
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object relations
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Emphasize the unconscious dimensions of our relationships with one another from pregnancy and infancy throughout all of life
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self psychology and relational psychoanalysis
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Help clients recognize: Their maladaptive coping strategies The sources of their unconscious conflicts
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psychodynamic therapies
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Client talks about whatever comes to mind, without censoring any thoughts
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free association
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Occurs when the client reacts to the therapist as if the therapist were an important person
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transference
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Repeatedly going over painful memories and difficult issues
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working through
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Emerged from modern psychodynamic theories and is short-term Shifted focus from the unconscious conflicts to the client's pattern of relationships with important people in their lives Therapist is much more structured and directive Offers interpretations much earlier Focuses on how to change current relationships
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Interpersonal Therapy (IPT)
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Most comprehensive theories of human behavior Difficult or impossible to test its fundamental assumptions, scientifically Long-term and intensive nature makes it unaffordable for many people
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Assessing / Problems of psychodynamic approaches
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Based on the assumption that humans have an innate capacity for goodness and for living a full life
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humanistic theories
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Individuals naturally move toward personal growth, self-acceptance, and self-actualization
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carl rogers approach
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Fulfillment of ones potential for love, creativity, and meaning
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self actualization
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Help clients discover their potential through self-exploration
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Goal of humanistic therapy
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Therapist communicates a genuineness in his or her role as helper Acting as an authentic person not an authority figure Showing unconditional positive regard for the client Communicating with empathic understanding (a part of humanistic therapy)
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client-centered therapy
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Focus on free will is a refreshing change from the emphasis on pathology and external forces Criticized for being vague and not subject to scientific testing Appropriate for people who are moderately distressed but insufficient for people who are seriously distressed
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Assessing humanistic approaches
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Views the family as a complex interpersonal system, with its own hierarchy and rules that govern family members' behavior Views a family member's psychological disorder as an indication of a dysfunctional family system
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family systems theory
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Believes that an individual's problems are always rooted in interpersonal systems, particularly family systems
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family systems therapy
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Effective in the treatment of children, because they are so much more entwined in families than adults Needs more research
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assessing family systems approaches
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Focus on people's ability to understand and regulate their emotions Incorporates techniques from behavioral, cognitive therapy with Zen Buddhism
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Third wave approaches
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Difficulties in managing negative emotions and in controlling impulsive behaviors
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Dialectical behavior therapy
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Avoidance is the heart of all problems
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Acceptance and commitment therapy
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Look beyond the individual or family to the larger society to understand people's problems Risk factors for mental health problems Socioeconomic disadvantage Upheaval and disintegration of societies Social norms and policies that stigmatize and marginalize certain groups Social norms and policies that stigmatize and marginalize certain groups put these individuals at increased risk for mental health problems
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Sociocultural approaches
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Most psychotherapies are focused on the individual whereas most cultures are collective Psychotherapies value the expression of emotions whereas most cultures restrain them Clients are expected to initiate communication on expectations which can clash with cultural norms Class and issues of race pose difficulty in accessing help Issues of age difference, gender and ethnicity hinder treatment
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cross-cultural issues in treatment
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Stopping the development of disorders before they start
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primary prevention
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Detecting a disorder at its earliest stages to prevent the development of the full-blown disorder
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secondary prevention
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Preventing relapse and reducing the impact of the disorder on the person's quality of life
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tertiary prevention
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Have a positive relationship with the client Provide clients with an explanation or interpretation of why they are suffering Encourage clients to confront painful emotions and have techniques for helping them become less sensitive to these emotions
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common elements in effective treatment
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Accuracy of a test in assessing what it is supposed to measure
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validitiy
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Indicates consistency of assessment tools in measuring what it is supposed to measure
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reliability
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Standard method of administering a test Prevents extraneous factors from affecting a person's response
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standardization
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face, content, predictive, concurrent, construct
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types of validity (5)
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test appears to measure what it is supposed to measure
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face validity
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test assesses all important aspects of a phenomenon
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content validity
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test predicts the behavior it is trying to measure
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predictive validity
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test yields the same results as other measures of the same behavior
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concurrent validity
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test measures what it is supposed to measure, not something else
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construct validity
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test-retest, alternate form, internal, interrater / interjudge
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types of reliability (4)
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test produces similar results when given at two points in time
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test-retest reliability
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two versions of the same test produce similar results
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alternate form reliability
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different parts of the same test produce similar results
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internal reliability
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two or more raters or judges who administer and score a test come to similar conclusions
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interrater / interjudge reliability
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Mental status exam Appearance and behavior Thought processes Mood and affect Intellectual functioning Orientation
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initial interview
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Constitute a series of questions about symptoms experienced currently or in the past Has a standardized format Concrete criteria is used to score a person's answers
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structured interview
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Has 21 items, each of which describes four levels of a given symptom of depression Criticized for not clearly differentiating between the clinical syndrome of depression and the general distress
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Beck Depression Inventory (BDI)
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Questionnaires meant to assess people's typical ways of thinking, feeling, and behaving
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Personality inventories
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Minnesota Multiphasic Personality Inventory (MMPI)
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Most widely used personality inventory
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Clinician looks for specific behaviors and what precedes and follows these behaviors
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behavioral observation
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Not relying on individuals' reporting and interpretation of their own behaviors
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advantage of behavioral observation
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Individuals may alter their behavior when they are being watched
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disadvantage of behavioral observation
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Watching a child interact with another child to see what provokes him or her
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example of behavioral observation
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Keeping track of the number of times per day they engage in a specific behavior and the conditions under which this behavior occurs Open to biases in what individuals notice about their behavior and are willing to report Example - Asking a client to keep track of the number of times per day he or she engages in a specific behavior such as smoking a cigarette
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self-monitoring
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Measures an individual's intellectual strengths and weaknesses when mental retardation or brain damage is suspected Measures basic intellectual abilities like Ability for abstract reasoning Verbal fluency Spatial memory
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Intelligence Tests
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Little consensus as to what is meant by intelligence Biased toward middle- and upper-class educated European Americans
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Criticism of intelligence tests
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Detects specific cognitive deficits such as a memory problem
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Nueropsychological tests
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Assesses individuals' sensorimotor skills by having them reproduce a set of nine drawings Differentiates people with brain damage from those without brain damage Does not reliably identify the specific type of brain damage a person has
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Bender-Gestalt Test
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Enhanced X-ray procedure
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Computerized tomography (CT)
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Provides a picture of activity in the brain Requires injecting the patient with a harmless radioactive isotope
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Positron-emission tomography (PET)
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Similar to PET except that a different tracer substance is injected
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Single photon emission computed tomography (SPECT)
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Images the brain at any angle and provides finely detailed pictures
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Magnetic resonance imaging (MRI)
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Used to detect changes in the brain and nervous system that reflect emotional and psychological changes Alternative methods to CT, PET, SPECT, and MRI
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Psychophysiological tests
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Measures electrical activity along the scalp produced by the firing of specific neurons in the brain
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Electroencephalogram (EEG)
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When presented with an ambiguous stimulus people will interpret the stimulus in line with their: Current concerns and feelings Relationships with others Conflicts or desires Useful in: Uncovering unconscious issues of a person Cases when the person is resistant or is heavily biasing the information presented to the assessor
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Projective Tests
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Rorschach Inkblot Test Thematic Apperception Test (TAT)
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Frequently used projective tests
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Resistance and inability to provide information Evaluating children Difficulties in communication and reporting Evaluating individuals across cultures Language barriers Different cultures experience different psychological disorders differently
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Challenges in assessing in any style of therapy
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Set of symptoms that occur together Tend to co-occur within individuals
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syndrome
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Set of syndromes and the rules for determining whether an individual's symptoms are part of a syndrome
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classification system
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divided all mental disorders into Mania - States of abnormal excitement Melancholia - States of abnormal depression Paranoia Epilepsy
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Hippocrates classification for diagnosis
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First edition outlined the diagnostic criteria for mental disorders recognized at the time Criteria were vague descriptions heavily influenced by psychoanalytic theory DSM - II included more diseases
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Diagnostic and Statistical Manual of Mental Disorders (DSM) I & II
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Developers replaced the vague descriptions of disorders with specific and concrete criteria for each disorder Criteria are in the form of behaviors, experiences or feelings DSM-5 incorporated a continuum or dimensional perspective on mental disorders
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DSM-III, DSM-IIIR, DSM-IV, DSM-IV-TR, and DSM-5
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Specification of how long a person must show symptoms of the disorder in order to be given the diagnosis Criteria for most disorders require that symptoms interfere with occupational or social functioning
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How Later and Earlier Editions of DMS Differ
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Low reliability of diagnoses is due to many factors Criteria were still vague requiring the clinician to: Make inferences about the individual's symptoms Rely on the individual's willingness to report symptoms Reliability of the DSM-5 diagnoses remains to be determined
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Reliability of the DSM
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No, there were 5 axials
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Are there Axials in DSM-5? and how many axials are there?
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Reifying diagnoses Category or continuum Differentiating mental disorders from one another Addressing cultural issues
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Continuing Concerns About the DSM-IV-TR
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judgements, bias, labeling
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Social-psychological dangers of diagnosis
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Prediction that there is no relationship between a phenomena and the statement
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Null hypothesis
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Way to measure or manipulate the variables in a study
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operationalization
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Understanding the study Confidentiality Right to refuse or withdraw participation Informed consent Should not be deceived into the study Should be debriefed at the end of the study
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What are the Basic rights for all participants in a study
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Detailed history individuals who have suffered some form of psychological disorder Understand the experiences of single individuals to make a general inference Opportunity to study rare problems Cannot be generalized Lack objectivity
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Case Studies
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Examine the relationship between an independent variable and a dependent variable without manipulating either variable
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Correlational studies
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Two or more variables are measured and the correlation is examined
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continuous variable
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Two or more groups are compared on variables of interest
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group comparison study
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Participants assessed at one point in time
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cross-sectional
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Participants assessed on two or more occasions over different time periods
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longitudinal
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Statistic used to represent the relationship between variables, denoted by the symbol r Falls between −1.00 and +1.00 Positive correlation coefficient - As values of the independent variable increase, values of the dependent variable also increase Negative correlation coefficient - As values of the independent variable increase, values of the dependent variable decrease
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Correlation coefficient
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Index of how likely a result is due to chance P < .05 - Probability (p) is less than 5 in 100 that the result occurred by chance alone Statistical and clinical significance are not necessarily equivalent
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Statistical significance
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Possibility that variables not measured in a study are the real cause of the relationship between the variables that are measured
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Third Variable problem
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Group of people taken from a population one wants to study
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sample
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Highly similar to the population of interest in terms of sex, ethnicity, age, and other important variables
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representative sample
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Time consuming Not indicative of cause and consequence Third variable problem
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Disadvantages of longitudinal studies
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Study of frequency and distribution of a disorder, which focuses on following type of data
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epidemiological studies
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Proportion of the population
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prevalence
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Occurrence within a specified period of time
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incidence
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Conditions associated with increased likelihood of occurrence of a problem
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risk factors
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Share limitations with correlational studies Cannot establish that any risk factor causes a disorder Third variables may explain the relationship between any risk factor and the rates of a disorder
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Problems with epidemiological studies
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Human laboratory study Therapy outcome studies Single-case experimental design
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types of experimental studies
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All participants have an equal chance of being in the experimental or the control group
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random assignment
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demand characteristics
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threats to internal validity in human laboratory studies
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Participants guess the purpose of the study and thus change their behavior
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demand characteristics
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Both the participants and the experimenters should be unaware of the experimental or the control condition
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double-blind experiment
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Researcher has more control over variables Participants can be randomly assigned to groups Appropriate control groups can be created to rule out alternative explanations of important findings
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advantages of human lab studies
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Results may not generalize to outside the laboratory Ethical limitations
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disadvantages of human laboratory studies
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Designed to test whether a specific therapy reduces a problem in individuals who receive it
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therapy outcome studies
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Do not receive the therapy when the experimental group does but instead are made to wait
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wait list control group
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Have the same interactions with experimenters as the participants in the experimental group, but take pills that are inactive substances
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placebo control group
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Provide help to people in distress as research is generated
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advantage of therapy outcome studies
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Hard to tell which aspect of therapy led to reduction in the psychopathology Raises questions about appropriate control groups Ethical considerations Patients' needs must be balanced with the need to administer standardized therapy Generalizability of results to real-world delivery of therapy is unclear
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disadvantages of therapy outcome studies
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Individual or a small number of individuals are studied intensively
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Single case experimental design
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An intervention is introduced, withdrawn, and then reinstated and the behavior of the participant is examined both on and off the treatment
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ABAB or reversal design
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An intervention might be given to the same individual but in different settings, or to different individuals at different points in time
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Multiple baseline design
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Expose animals to situations in the laboratory that it would not be ethical to impose on humans More control over laboratory conditions and third variables than in human laboratory studies
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Animal studies
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Ethical issues Generalizability between animals and humans
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Limitations of animal studies
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shuttle box for learned helplessness
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example of animal study
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Identify genetic factors associated with psychopathology Investigate the degree to which genes play a role in a particular disorder, or its heritability, through: Family history studies Twin studies Adoption studies
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genetic studies
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Identify people who have the disorder Identify control group Trace the family pedigrees of individuals in these two groups and determine how many of their relatives have the disorder
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family history study
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Identify people with the disorder who were adopted shortly after birth Determine the rates of a disorder among: Biological relatives of the adoptees Adoptive relatives of the adoptees
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adoption study
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Comparing the DNA of a group of people who have a disorder, with people who have no form of psychopathology
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Molecular genetic studies / association studies
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Looking for other characteristics that co-occur with the disorder and have known genetic markers
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linkage analysis
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Acknowledge and examine similarities and differences between cultures in the nature, causes, and treatment of psychopathology
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cross-cultural studies
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Variation in meaning of concepts and theories Difficult to translate assessment tools across cultures Cultural or gender differences in peoples' responses to the social demands of interacting with researchers Researchers label one culture as healthy and another as unhealthy
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challenges of cross-cultural studies
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Statistical technique for summarizing results across several studies
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Meta-analysis
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Literature search Transform the results of each study into a statistic common Examine the average effect size across studies and relate it to characteristics of the study
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Steps of meta-analysis
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Overcomes the problems resulting from small numbers of participants in an individual Provides more power to find significant effects
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advantage of meta-analysis
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Problems with methodology File drawer effect
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disadvantages of meta-analysis
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Studies that do not support the hypothesis are less likely to get published than studies that do
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file-drawer effect
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when a person is diagnosed with one disorder also met the criteria for at least one other disorder
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comobidity
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once a diagnosis is defined in any classification system, people tend to reify it, seeing it as real and true rather than as the product set of judgments about how symptoms tend to occur together.
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Reifying diagnoses
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questions have been raised about whether a continuum perspective is practical for real-world use. Mental disorders may exist along a continuum, but the human mind may be constructed to think more in terms of categories and the presence or absence of disorders.
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Categories vs. continuum model
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under diagnosed and over diagnosed
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When the individual and the assessor do not share the same language, symptoms can be both ______ and _______
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The patient feels as if the problem is a part of them and doesn't necessarily need to be resolved
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Ego syntonic
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They themselves feel there is a problem
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Ego dystonic
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