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level: Level 1

Questions and Answers List

level questions: Level 1

QuestionAnswer
what is emotion?associated with psychological response that cause action
what is the autonomic nervous system?conveys sensory info to rest of brain stimulates reflex actions largely unconscious
sympathetic branch?intense quick response fight or flight emergency prep
parasympathetic branchnon emergency prep increasing digestion saving energy calms body down
James Lange theoryscary thing> appraisal> run away> fear ppl with paralysis still report emotions ppl with autonomic failure report less emotion
use of limbic system?crucial to emotion & motivation sensory input, emotional responses to pain regulates beh.
what does the insula cortex do?primary taste cortex
left hemispherebeh. activation system low autonomic arousal approach (happiness, anger) left frontal & temporal lobes ppl with more activity in left- happier
right hemispherebeh. inhibition system increased attention & arousal inhibited action right frontal & temporal lobes
Wada procedure?right hemisphere inactivated remember sig. events felt no emotion
function of emotion?survival response fear= run away anger= attack
emotion not just linked to humansDarwin chimps bared teeth and smile like humans
basic muscles..always present, always symmetrical
non basic muscles..not always present, not always symmetrical
why are fear and anger studied together?fear= escape (flight) anger= aggression (fight) fight or flight system (sympathetic NS)
development of aggression?heredity & environment genetic contribution to violence monozygotic twins more likely to resemble other criminal beh. smoking during pregnancy= criminal activity as adult higher levels of testosterone
brain area associated with aggression?no specific area associated with anger hypothalamus induces aggressive attacks
hormones associated with aggression?low serotonin release based on correlations decreased serotonin turnover
what is serotonin?neurotransmitter associated with regulation
monkey serotonin experimentmonkeys with lowest serotonin turnover= more aggressive all died young overreacting to fear has problems
what is the startle reflex?response to sudden loud noise very fast cochlea nucleus > pons > muscle tension in neck (protective)
what is the amygdala's role in start reflex?disrupts startle reflex impairing animals ability to learn which stimuli are scary amygdala enhances startle reflex- help conditioned responses to form
what is the process of fear?1. sensory info 2. amygdala 3. midbrain 4. pons
what is toxoplasma?parasite reproduces in cats infects rats & migrates to brain damages amygdala rat doesn't condition fear properly approaches cat gets eaten
what is Kluver bucy syndrome?amygdala damage makes tame monkeys approach snakes approach dominant monkey amygdala doesn't control fear more inhibition
how does the amygdala relate to fear in humans?emotional processing Reponses when ppl look at emotional expressions responds to emotional stimuli- isn't identified consciously work out if ppl are directing emotion at you
patient with amygdala damageasked to draw faces showing different emotions couldn't depict fear