personality - bio and clinical Flashcards
hippocampus
forming and retrieving memories
experience affects size of hippocampus - taxi driver
nucleus accumbens
reward & motivation. effected by experience. winning can be addicting
amygdala
organize emotion. interpret emotional threats and rewards.
extraversion relates to amygdala activity. more social situation = more reward.
frontal cortex
higher order cognitive function.
emotion displays, attention short term memory, planning
big 5 and brain
measure personality scores and correlate with brain volume
grey matter and white matter
grey = more neurons
white = more axon connectivity
* brain is plastic*
extraversion and frontal cortex size
more extraverted, thicker cortex
conscientiousness
more hard working = thicker frontal gyrus
more neurotic
less thick area of prefrontal cortex
more neurotic
less thick hippocampus
5-HTTLPR gene
related to serotonin reuptake. less transporter = more 5-HT in synapse & more sensitive to negative emotion. . related to social outcomes
related to amygdala activity, more active, more sensitive to negative emotion
aggression MAOA
low MAOA males aggress more, more antisocial tendencies.
in social manipulation, exclusion caused aggressive behaviours.
evolution and personality
how natural selection affected that
gene variability. variability in fitness. more adaptive to hostile world
environment of evolutionary adaptedness
previous attitudes couldve been beneficial, passed on and still held even tho not relevant
big 5 extreme
E : pursuit of resource, risky N: avoid failure, mental illness C: get thigns done, compulsiveness A: smooth social intxn, loss of resource O: creative, high sex partners, higher rate of psych and affective disorder
freud - topographic model. 3 levels of mind
conscious
preconscious
unconscious
repressed - T or F?
repressed memories can exist - expecially w trauma. but false memories exist too..
freudian slip, parapraxes
though from unconscious comes up in form of mistake during speech
freudian instincts
sexual - libido. death - thanatos
freudian psychosexual development
oral anal phallic latency genital
frued - strucutral model of mind
id - drives
ego - self regulation
superego - social rules
defence mechanisms
repression: out of mind
suppression: out of immediate consciousness
denial: deny bad news/ things that make you anxious
displacement: move target of emotions to safer target
reaction formation - defending mind by creating opposite idea
projection. attribute unwanted to someone else
sublimation: concert base into noble cause
neo-freudian main differences
- sex is less important
- less emphasis on unconscious
- less on drives
adler
children weak - feel inferior. work through whole life trying to feel superior in this area.