Impulse Control Disorders-Zuchowski Flashcards
Which disorders include the symptom of impulsivity?
ADHD Tourette's/OCD Developmental Disorders PTSD Substance Use Diosrder Cluster B Personality Diosrders Bipolar Spectrum **Impulse Control Disorders
Which impulse control disorders are included in DSMV?
Intermittent Explosive Disorder
Kleptomania
Pyromania
Which 2 impulse control disorders were excluded from DSMIV-V transition?
trichotillomania–now OCD-like categorization
Pathological gambling–now substance like addition
Where does hunger originate from?
satiety center in hypothalamus
fMRI would show which part of the brain light up when you see anger?
amygdala in the medial temporal lobe
Describe the pathway for stimuli-impulses–regulation.
orbitofrontal cortex: stimulus perceived
TO prefrontal cortex OR hypothalamus/midbrain
cyclic communication
Describe in a different way the pathway of stimulus-response.
stimulus/challenge (provocative)
sensory processing: hearing/vision loss, sensory distortions (drugs)
early info processing/cognitive appraisal: cultural social factors, paranoid ideation etc.
TOP DOWN BRAKES: suppression/regulation
BOTTOM UP DRIVES: signal, trigger
Which parts of the brain are involved in top down brakes? bottom up drive?
top down brakes: orbital frontal cortex, anterior cingulate gyrus
bottom up drive: amygdala, insula
What are some MRI-revealed reasons for impulsivity?
frontal lobe damage-debris, epidural hematoma, subdural hematoma
cortical atrophy-vascular dementia, Alzheimer’s
Which NT would dominate in a patient with higher impulsivity, higher aggression? Cortical system?
reduced serotonin
enhanced dopamine, NE
IN THE CORTICAL SYSTEM
Which NT would dominate in a patient with higher impulsivity, higher aggression? Limbic system
reduced GABA
enhanced glutamate
enhanced acetylcholine
Which meds would you theoretically use to correct a low serotonin or a high dopamine ?
low serotonin–SSRIs
high dopamine–antipsychotics
If you have low CSF serotonin what is this correlated with?
More violent forms of aggression
Loss of impulse control
Greater risk taking
More physical wounds
What are the social links w/ low serotonin?
Low serotonin = low social rank, higher dysfunctional aggression
T/F Appropriate” aggression used to maintain social dominance associated w/ low serotonin levels.
False.
What is reactive aggression?
– response to a perceived threat or provocation
Lower threshold to perceive provocation and/or
Lower threshold to respond aggressively
**you’re looking at me funny-i’m gonna cut you