ch 7 Flashcards
body dysmorphic disorder
preoccupied with one or more imagined or exaggerated defects in their appearance
caudate nucleus
part of the basal ganglia; unusually active in people with OCD
compulsion
repetitive clearly excessive behaviors or mental acts, feels driven to perform to reduce the anxiety
obsessive compulsion
repetitive thoughts and behaviors that are so extreme that they interfere with everyday life
trauma-related disorder
PTSD, ASD
OCD
repetitive thoughts and urges; irresistible need to engage in repetitive behaviors and mental acts
hoarding disorder
spend a good deal of their time repetitively thinking about their current and potential future possessions; intense efforts to acquire new objects
disorders have
repetitive thoughts, behaviors are distressing, feel uncontrollable, considerable amount of time, thoughts and behaviors feel unstoppable; can co-occur
obsessions
intrusive and recurring thoughts, images or impulse, persistent and uncontrollable; often appear irrational
hoarding disorder
the need to acquire is clearly excessive, abhor parting with their objects; extremely attached to their possessions; very resistant to get rid of them
genetic contribution to OCD, hoarding, BDD
heritability is estimated to be 40-50% of the variance in whether they develop
orbitofrontal cortex
an area of the medial prefrontal cortex located just above the eyes; unusually active in people with OCD
anterior cingulate
right behind the frontal lobe; unusually active in people in OCD
when BDD appears
hyperactivity of the orbitofrontal cortex and caudate nucleus
hoarding disorder appears
hyperactivity in the orbitofrontal cortex and anterior cingulate
yedasentience
subjective feeling of knowing that you have though enough, cleaned enough, or in other ways done what you should to prevent chaos and danger from low-level threats in the environment; deficit in people with OCD
thought suppression
attempted when obsessions are trying to be suppressed, may make situation worse; believe that thinking about something can make it occur
anti-depressants
most commonly used medications; for OCD- clomipramine; BDD- clomipramine and fluoxetine
ERP
exposure and response prevention; most widely used psychological treatment for OCD and related disorders
deep brain simulation
implanting electrodes into the brain for people with chronic OCD
