General Psychology: Chapter 4, 5, & 6 – Flashcards
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Conciousness
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* Waking Consciousness - State in which thoughts, feelings, and sensations are clear, organized, and the person feels alert. * Altered State of Consciousness - State in which there is a shift in the quality or pattern of mental activity as compared to waking consciousness. * your awareness of everything that is going on around and inside your own head @ any given moment, which you use to organize your behavior, including thoughts, sensations, and feelings.
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States of Consciousness
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* Focused Awareness * Drifting Consciousness * Divided Consciousness * Unconsciousness * Altered States of Conciousness
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Focused Awareness
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* High levels of attention and alertness
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Drifting Consciousness
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* Variable attention; Daydreaming
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Divided Consciousness
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* Split Attention
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Unconsciousness
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* Sleeping & Dreaming * Deep Unconsciousness
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Altered States of Conciousness
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* Drugs, Alcohol
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How do carcadian (biological) rhythms influence consciousness?
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(Sleep-Wake Cycle) for most people, this means that they will experience several hours of sleep at least once during every 24-hour period. Controlled by the brain, specifically by an area within the hypothalamus
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Hypothalamus regards to sleep
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The sleep-wake cycle is ultimately controlled by the brain specifically by by an area within the Hypothalamus (tiny section of the brain that influences the glandular system.
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Suprachiasmic Nucleus (SCN) regards to sleep
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* Structure deep within the Hypothalamus which influences the release of Melatonin. * Internal clock that tells people when to wake up and when to fall asleep. * Sensitive to changes in light. As daylight fades, the SCN tells the pineal gland (located in the base of the brain) to screte Melatonin (as it accumulates, a person will feel sleepy. As the light coming into the eyes increases , the SCN tells the pineal gland to stop secreting melatonin, allowing the body to awaken.
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Melatonin
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* a hormone secreted by the brain that contributes to sleepiness. * More of it, means sleepier... Less of it, means, more awake/alert.
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Microsleeps
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brief sidesteps into sleep lasting only a few seconds.
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Reasons/theories why people need to sleep
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* Protectoin (Adaptive Theory) * Energy Conservation * Restoration (serves to replenish chemicals and repair cellular damage) * Consolidate newly learned information into lasting memories. * May bolster immune system.
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Sleep Deprivation
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any significant loss of sleep, resulting in problems in concentration and irritability.
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Effects of sleep deprivation
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trembling hands, inattention, staring off into space, droopy eyelids, and general discomfort, as well as emotional symptoms such as irritability and even depression.
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4 stags of sleep (Non REM)
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1. (theta waves) Light Sleep, easily awakened; 2. Temperature, breathing and heart rate decrease; 3. & 4. (Delta Waves) growth hormones released, hard to wake up
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REM Sleep
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(Rapid Eye Movement) relatively active type of sleep when most of a person's dreaming takes place, whereas Non-REM sleep is a much deeper, more restful kind of sleep
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Why is REM Sleep important
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* in infants: not dreaming, but rather forming new connections between neurons. * in adults: needed for dealing with the stresses and tensions of the day, whereas physical activity would demand more time for recovery of the body in NREM.
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Various types of sleep disorders
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REM Behavior disorder Nightmares Sleepwalking (somnambulism) Night terrors Insomnia Sleep Apnea Narcolepsy
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Techniques used to treat insomnia
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* Do not do anything in your bed but sleep (no studying or watching tv) * Keep to a regular schedule (go to bed at the same time and wake at the same time, even off days) * Go to bed when you are sleepy * deal with anxieties during the daytime * no caffeinated drinks or foods that cause indigestion before bedtime.
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Dream Theories
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Hypnosis
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State of consciousness in which the person is especially susceptible to suggestion.
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Myths and theories of Hypnosis
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Psychoactive Drugs
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Drugs that alter thinking, perception, and memory.
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Tolerance and withdrawal of Psychoactive Drugs
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* Tolerance: Sign of physical dependence: As the person continues to use the drug, larger and larger doses of the drug are needed to achieve the same initial effects of the drug. * Withdrawal: Sign of physical dependence: when deprives of drug. Depending on the drug, these symptoms can range from headaches, nausea, and irritability to severe pain, cramping, shaking, and dangerously elevated blood pressure. This can occur because the body is trying to adjust to the absense of the drug/s.
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Differences between drug abuse, physiological dependence and psychological dependence.
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* Psychological Dependence: the belief that the drug is needed to continue a feeling of emotion or psychoogical well being. * Physiological Dependence: condition when a person's body becomes unable to function normally w/o a particular drug.
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Categories of drug use
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* Stimulants * Depressants * Hallucinogens
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Stimulants (Drugs & Effects)
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Drugs that increase the functioning of the nervous system
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Depressants (Drugs & Effects)
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Drugs that decrease the functioning of the nervous system
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Hallucinogens (Drugs & Effects)
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Drugs including hallucinogens and marijuana that produce hallucinations or increased feelings of relaxation and intoxication.
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Signs of Physical Dependency
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*Drug Tolerance - as the person continues to use the drug, larger and larger doses of the drug are needed to achieve the same initial effects of the drug. *Withdrawal - symptoms can range from nausea, headaches, and irritability to severe pain, cramping, shaking and dangerously elevated blood pressure.
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Binge Drinking and it's dangers
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* health risks to the liver, brain, and heart. * drinking four or five drinks within a limited amount of time, such as "happy hour". quickly leads to being drunk, and drunkenness is a major sign of alcoholism. * feeling guilty about drinking, drinking in the am, drinking to recover from drinking, drinking so much that one does and says things one later regrets, drinking alone, being sensitive about how much one drinks when others mention it, drinking so much that one does and says things one later regrets, drinking enough to have blackouts or memory loss, drinking too fast, lying about drinking, and drinking enough to pass out.
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How can you tell if you are sleep deprived
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trembling hands, inattention, staring off into space, droopy eyelids, and general discomfort, as well as emotional symptoms such as irritability and even depression.
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Alpha Waves
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larger and slower brain waves that indicate a state of relaxation or light sleep
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Theta Waves
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even slower and larger Brain Waves indicating the early stages of sleep
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Delta Waves
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Long, slow waves that indicate the deepest stage of sleep
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Beta Waves
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Person wide awake, very small and very fast
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What is learning?
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Relatively permanent change in behavior due to experience.
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Unconditioned Stimulus (UCS)
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a naturally occuring stimulus that leads to an involuntary (reflex) response.
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What are the basic principles of classical conditioning?
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the kind of learning that occurs with reflexive, involuntary behavior. Ex. when you blink because a gnat flies to close to your eye.
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Extinction
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the disapperance or weakening of a learned response following the removal or absense of the unconditioned stimulus (in classical conditioning) or the removal of a reinforcer (in operant conditioning).
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Spontaneous recovery
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The reappearnace of a learned response after extinction has occured
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Stimulus Generalization
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the tendency to respond to a stimulus that is only similar to the original conditioned stimulus with the conditioned response.
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Stimulus Discrimination
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the tendency to stop making a generalized response to a stimulus that is similar to the original conditioned stimulus because the similar stimulus is never paired with the unconditioned stimulus.
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What is higher-order conditioning?
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occurs when a strong conditioned stimulus is paired with a neutral stimulus, causing the neutral stimulus to become a second conditioned stimulus.
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What is a CER? Understand the example of Little Albert
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Conditioned Emotional Response (CER) - emotional response that has become classically conditioned to occur to learned stimuli, such as a fear of dogs or the emotional reaction that occurs when seeing an attractive person. UCS - loud noise UCR - fear of the noise CS - white rat CR - fear of the rat (phobia)
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Be familiar with vicarious conditioning
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classical conditioning of a reflex response or emotion by watching the reaction of another person.
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Understand 1. taste aversions & 2. biological preparedness
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1. development of a nausea or aversive response to a particular taste because that taste was followed by a nausea reaction, occuring after only one association. 2. referring to the tendency of animals to learn certain associations, such as taste and nausea, w/ only one or few pairings due to the survival value of the learning.
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How does the cognitive perspective explain classical conditioning?
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modern theory in which classical conditioning is seen to occur because the conditioned stimulus provides information or an expectancy about the coming of the unconditioned stimulus.
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What is the basic premise of operant (instrumental) conditioning?
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the learning of voluntary behavior through the effects of pleasant and unpleasant consequences to responses. "reinforcement is the key to learning"
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What is the Law of Effect?
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law stating that if an action is followed by a pleasurable consequence, it will tend to be repeated, and if followed by an unpleasant consequence, it will tend not to be repeated.
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Who was Skinner?
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was the behaviorist who assumed leadership of the field after John Watson. He was even more determind than Watson that psychologists should study only measurable , observabler behavior. Found in the work of Thorndike a way to explain all behavior as the product of learning. He gave the learning of voluntary behavior a special name (operant conditioning)
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What is reinforcement(strengthen)? Be familiar with 2 types
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any event or stimulus, that when following a response, increases the probability that the response will occur again.
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Be familiar with 1. primary and 2. secondary reinforcers
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1. any reinforcer that is naturally reinforcing by meeting a basic biological need, such as hunger, thirst, or touch. 2. any reinforcer that becomes reinforcing after being paired with a primary reinforcer, such as praise, tokens, or gold stars.
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How does 1. punishment differ from 2. reinforcement?
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1. any event or object that, when following a response, makes that response less likely to happen again. 2. any event or stimulus, that when following a response, increases the probability that the response will occur again.
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Understand the differences between 1. positive punishment and 2. negative punishment.
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2. Punishment by removal: the punishment of a response by the removal of a pleasurable stimulus. 1. Punishment by Application: the punishment of a response by the addition or experiencing of an unpleasant stimulus.
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Be familiar with the problems with or disadvantages of punishment
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* hitting provides a successful model for aggression * Severe punishment creates fear and anxiety, emotional responses that do not promote learning. * leads to abuse * severe punishment may encourage lying to avoid the punishment * severe punishment may cause the child to avoid the punisher instead of the behavior being punished, so the child learns the wrong response.
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What factors affect the effectiveness of punishment?
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* Punishment should immediately follow the behavior it is meant to punish. * Punishment should be consistent. * Punishment of the wrong behavior should be paired, whenever possible, with reinforcement of the right behavior.
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What is shaping?
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the reinforcement of simple steps in behavior that lead to a desired, more complex behavior.
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How do extinction, generalization and spontaneous recovery relate to operant conditioning?
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*extinction involves the removal of the UCS (reinforcement), that eventually acts as a reinforcer of the CS-CR bond * Spontaneous recovery (the recurrence of a conditional response after extinction) will also happen with operant response.
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How do 1.continuous and 2.partial reinforcement differ?
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1. the reinforcement of each and every correct response. 2. the tendency for a response that is reinforced after some, but not all, correct responses to be very resistant to extinction.
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Understand schedules of reinforcement
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* Fixed Interval Schedule of Reinforcement: schedule of reinforcement in which the interval of time that must pass before reinforcement becomes possible is always the same. * Variable Interval: schedule of reinforcement in which the interval of time that must pass before reinforcement becomes possible is different for each trial or event. * Fixed Ratio: schedule of reinforcement in which the number of responses required for reinforcement is always the same. * Variable Ratio: Schedule of reinforcement in which the number of responses required for reinforcement is different for each trial or event.
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Understand superstitious behavior
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What is congnitive learning? Understand latent learning & learned helplessness.
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Latent Learning: learning that remains hidden until its application becomes useful. Learned Helplessness: the tendency to fail to act to escape from a situation because of a history of repeated failures in the past.
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Be familiar with observational learning.
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learning new behavior by watching a model perform that behavior
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Understand Bandura's experiment. How might his experiment be applied to the media-aggression argument?
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Children learned violent behavior by positive reinforcements. Heroes and Bad Guys. Violence on TV
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Unconditioned Response (UCR)
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an involuntary (reflex) response to a naturally occuring or unconditioned stimulus.
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Conditioned Stimulus (CS)
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stimulus that becomes able to produce a learned reflex response by being paired with the orginal unconditioned stimulus
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Conditioned Response (CR)
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learned reflex to a conditioned stimulus.
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Neutral Stimulus (NS)
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stimulus that has no effect on the desired response.
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What is Memory?
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an active system that receives information from the senses, puts that information into a usable form, and organizes it as it stores it away, and then retrieves the information from storage.
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Encoding (1 of 3 process' of Memory)
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the set of mental operations that people perform on sensory information to convert that information into a form that is usable in the brain's storage systems.
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Storage (1 of 3 process' of Memory)
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holding onto information for some period of time
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Retrieval (1 of 3 process' of Memory)
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getting information that is in storage into a form that can be used.
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How does the "levels of processing model" explain memory?
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*3 systems or stages model of memory that assumes information that is more "deeply processed", or processed according to its meaning rather than just the sound or physical characteristics of the word or words, will be remembered more efficiently and for a longer period of time.
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What is the PDP model of memory?
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* Parallel Distributed Processing a model of memory in which memory processes are proposed to take place at the same time over a large network of neural connections.
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Sensory: Memory System/Stage from the information processing model
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* Main process - pattern recognition (icons & echoes) * Capacity - large but not limited * Duration of sensory codes - very brief
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STM: Memory System/Stage from the information processing model
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* Selective attention moves information to STM * Capacity - "magical" number 7 * Expand via chunking (grouping) * Duration - 12 to 30 seconds * maintenance rehearsal - (repeating)
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LTM: Memory System/Stage from the information processing model
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* Essentially permanent * Requires elaborative rehearsal (meaningful connections)
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How are iconic and echoic memory different?
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* Iconic Memory is visual sensory memory, lasting only a fraction of a second. * Echoic Memory is brief memory of something a person has just heard.
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How is selective attention related to memory?
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(STM) The ability to focus on only one stimulus from among all sensory input.
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Why is STM considered to be "working memory?"
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What is chunking and how does it help memory?
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The process of recoding, or reorganizing information. * There is a way to "fool" STM into holding more information than usual. (think of it as "stacking" related files on the desk). If the bits of info are combined into meaningful units, or chunks, more information can be hed in STM.
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Maintenance Rehearsal
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practice of saying some information to be remembered over and over in one's head in order to maintain it in STM
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Elaborative Rehearsal
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a method of transferring information from STM into LTM by making that information meaningful in some way.
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Procedural (nondeclarative) Memory
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type of long-term memory including memory for skills, procedures, habits, and conditioned responses. These memories are not conscious but are implied to exist because they affect conscious behavior.
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Declarative Memory
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type of LTM containing information that is conscious and known.
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Semantic Memory
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type of declarative memory containing general knowledge, such as knowledge of language and information learned in formal education.
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Episodic Memory
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type of declarative memory containing personal information not readily available to others, such as daily activities and events.
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How do explicit and implicit memory differ
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The difference between implicit memories, such as how to balance on a bicycle, and explicit memores, such as naming all the planets, is that it is impossible or extremely difficult to bring implicit memories in consciousness. explicit memories can be forgotten but always have the potential to be made conscious.
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Retrieval Cues
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a stimulus for remembering.
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Encoding Specificity Principle
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the tendency for memory of information to be improved if related information (such as surroundings or physiological state) available when the memory is first formed is also available when the memory is being retrieved.
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Context-dependent memory effect
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How do recognition and recall differ
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in recall, memories are retrieved with few or no external cues, such as filling in the blanks on an application form. Recognition, on the other hand, involves looking at or hearing information and matching it to what is already in memory. a word-search puzzle, in which the words are already written down in the grid and simply need to be circled, is an example of recognition.
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Serial position effect
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tendency of information at the beginning and end of a body of information to be remembered more accurately than information in the middle of the body of information.
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Flashbulb Memories
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type of automatic encoding that occurs because an unexpected event has strong emotional associations for the person remembering it.
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Constructive Processing
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referring to the retrieval of memories in which those memories are altered, revised, or influenced by newer information.
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False Memory Syndrome
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refers to the creation of inaccurate or false memories through the suggestion of others, often while the person is under hypnosis.
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Causes of Forgetting: Encoding
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encoding failure: the failure to process information into the memory. (penny experiment)
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Causes of Forgetting: Decay or Disuse
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loss of memory due to the passage of time, during which the memory trace is not used.
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Causes of Forgetting: 2 Types of interference
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* Proactive Interference: memory retrieval problem that occurs when older information prevents or interferes with the retrieval of newer information. * Retroactive Interference: memory retrieval problem that occurs when newer information prevents or interferes with the retrieval of older information.
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Consolidation
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the changes that take place in the structure and functioning of neurons when an engram is formed.
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Difference between retrograde and anterograde amnesia
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* Retrograde Amnesia: loss of memory from the point of some injury or trauma backwards, or loss of memory for the past. * Anterograde Amnesia: loss of memories from the point of injury or illness forward.
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infantile amnesia
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the inability to retrieve memories from much before age 3.
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Why is the hippocampal region important?
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plays a vital role in the formation of new declarative LTM.
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Specific methods for improving memory
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