Week 9 Flashcards
stress diathesis model
predisposition of some type (ex genetic) moderates the relationship between a variable and disease. Ex. “thrifty genotype” and diabetes.
does fear extinction erase the initial conditioned/unconditioned memory?
no, it replaces it
in PTSD, aversive or non-aversive stimulus require less repitition
aversive, fear/avoidances is more poignant
amygdala role in PTSD
key role in fear conditioning
prefrontal cortex role in PTSD
inhibits output of amygdala, and regulates learned fear extinction
hippocampus role in PTSD
involved in memory and regulates contextual control of extinction via prefrontal inhibition of amygdala
amygdala lesions ________ retention of conditioned fear in rats
impair
a small hipppocampus is associated with a _______ incidence of PTSD
higher
