OCD/PTSD Flashcards
common features across obsessive compulsive related disorders
- frontal-striatal irregularities
- greater than chance familial morbidity
5 major OCRDs
Obsessive-compulsive disorder* Body dysmorphic disorder* Hoarding disorder* Trichotillomania (Hair-pulling disorder)* Excoriation (skin-picking) disorder*
obsessions vs compulsions
obsession: invasive and/or nonsensical thoughts or impulses
compulsion: thought or action to neutralize obsession, to reduce anxiety or distress or to prevent feared outcome
gender differences for OCD
- males higher in childhood
- females higher in adulthood
OCD onset
- generally young adulthood
- 25% in adolescence
brain changes in OCD
fMRI and other functional methodologies suggest disruptions in the cortico-striatal-thalamic-cortical circuit
- Ineffective “screening” of irrelevant stimuli, ineffective suppression of a ‘go’ signal
OCD treatment options
- CBT
- medications
- surgical intervention (extreme cases)
- TMS
OCD medications
clomipramine and other SSRIs
body dysmorphic disorder
- intrusive thoughts related to perceived physical flaw
- can include self surgery and skin picking
treatment of body dysmorphic disorder
psychotherapy only
trichotillomania definition
Characterized by irresistible urge to pull or pluck hair
- Followed by subjective sense of relief or pleasure
- Pulling is commonly from scalp, but may include eyebrows, eyelids, and forearms
gender difference in trichotillomania
10:1 female
5 common trauma and stressor related disorders
Post-traumatic stress disorder (PTSD) Acute Stress Disorder Reactive Attachment Disorder Disinhibited Social Engagement Disorder Adjustment Disorders
PTSD diagnosis and symptom clusters
1) Witness or experience a traumatic or life-threatening event
- Fear, helplessness, horror
2) symptoms from each cluster
Intrusions
Avoidance
Alterations in cognition/mood
Hyperarousal
3) more than one month
4) impairment/distress
what counts as trauma?
exposed to the following event(s): death or threatened death, actual or threatened serious injury, or actual or threatened sexual violence, in one or more of the following ways:
- experience
- witness
- hearing about friend or close relative (violent or accidental)
- repeated exposure to aversive details