Behavioral Genomics – Flashcards
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behavioral genomics
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the study of how genes affect behavior
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temperament
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A person's characteristic emotional reactivity and intensity. -stable individual differences in emotional reactivity, characteristics stay overtime,
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Eysenck's Model
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Personality links to nervous system, PEN -Psychoticism, Extroversion, Neuroticism
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Psychoticism-Impulse Control
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Psychoticism- high level- self absorbed, lack empathy, sometimes criminal, greater problems with addiction, men as a group generally score higher than women Impulse control-the ability to wait and think before acting or speaking,
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Extroversion-Introversion
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-Extraverts have a lower base level or pleasure so they have to get it from the environment around them -Introverts have the stimulation
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Neuroticism-Emotional Stability
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Neuroticism- people who are more neurotic-rapid heartbeat, overly reacts to mild stress, hyper sensitive nervous system, tend to be reactive to any situation Emotionally stable- inborn, genes
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Zuckerman's sensation theory
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-physiological -sensation seeking- drawn to novel & exciting experiences - younger people have higher "sensation seeking" -middle school to twenties have highest sensation seeking
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Minnesota Twin Study
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Identical twins separated at birth have similarities, suggests personality traits are more strongly impacted by genes, fraternal twins were less similar
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Twin studies
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comparing identical twins to fraternal twins makes it possible to detect genetic influence on personality -helped show schizophrenia can be genetically inherited
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Biopsychosocial model
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View on mental disorders Bio, Psycho, Social -Bio- genetics, prenatal alcoholism, chemical imbalances, Traumatic Brain injury (TBI) -Psycho- trauma, anxiety/general stress, shock -Social- abuse, neglect, isolation, socioeconomic
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schizophrenic episodes
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active psychosis
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Mad as a hatter
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hat makers suffered brain damage when exposed to mercury in hat-making factories
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Poisoning examples
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1)Lead poisoning and cognitive/behavioral deficits in childen 2)Manganese miners and fighting behavior
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Physical illnesses that effect personality..
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Alzheimer's disease strokes temporal lobe epilepsy various surgical procedures
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Legal drugs effect on personality
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tranquilizers sleeping pills antidepressants
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Cocaine
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symptoms of paranoia -obsessed with details -feel as though they are being persecuted
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Tropisms
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the processes by which some individuals grow towards more fulfilling and health promoting spaces while other individuals remain subject to darker, health-threatening environments
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Somatotypes
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Classification of body type.
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Mesomorphs
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muscular, large-boned athletic types courageous, energetic, active, dynamic, assertive, aggressive, risk-taker
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Ectomorph
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slender, bookworm types-artistic, sensitive, apprehensive, introverted
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Endomorph
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roly-poly, supposedly good-natured, tolerant, relaxed, love comfort/luxury, pleasant, extraverted
