Exam Questions and Answers for Psychopharm- Impulsivity, Compulsivity and Addiction Already Passed
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Course
Psychopharm
Institution
Psychopharm
Exam Questions and Answers for Psychopharm- Impulsivity, Compulsivity and Addiction Already Passed
Impulsivity - Answers the inability to stop initiation of actions,
involved with the Ventral striatum
and linked to the thalamus, VMPFC and Anterior Cingulate Cortex
Compulsivity - Answers...
Exam Questions and Answers for Psychopharm- Impulsivity, Compulsivity and Addiction Already
Passed
Impulsivity - Answers the inability to stop initiation of actions,
involved with the Ventral striatum
and linked to the thalamus, VMPFC and Anterior Cingulate Cortex
Compulsivity - Answers Inability to terminate ongoing actions
involved in Dorsal Striatum
linked to Thalamus and Orbitofrontal Cortex
Cognition is also involved with these areas and impacts impulsivity and response inhibition
Reward conditioning and memory in the mesolimbic pathway - Answers Associated with the amygdala
and hippocampus and impacts response inhibition and reward/affect
Impulsivity becomes Compulsivity - Answers When drug use, gambling and binge eating are done
repeatedly neuroplastic changes engage the dorsal habit system and migrate those ventral loop
impulses to the dorsal loop.
And thus a compulsion is born.
With compulsion you begin to see binge behavior, withdrawal symptoms, and anticipatory
cravings/arousal.
Pharmacotherapy for OCD - Answers First-line: SSRI (Prozac (good for teens), Luvox*, Paxil*, Zoloft) and
TCA (clomipramine)
If no response, max dose FIRST. Then augment with:
CBT, Antipsychotics (risperdal and abilify)
Substance/behavioral addictions - Answers Drug addiction
Gambling
Internet addiction
Food (Binge Eating, obesity)
Compulsive shopping
Disruptive/Impulse Control - Answers Pyromania
Kleptomania
IED
BPD
Self-harm/parasuicidal behavior
Antisocial behaviour
Conduct Disorder
ODD
Mania
ADHD
Sexual Disorder - Answers Hypersexuality
Paraphilias (pedophilia, etc.)
Bottom-up and top-down processing - Answers Impulsivity and Compulsivity from the ventral and dorsal
striatum are mitigated by top-down inhibition from the PFC.
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