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10 Cards in this Set
- Front
- Back
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Define obsessions
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recurrent and persistent thoughts, ideas, or images.
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Define compulsions
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repetitive, purposeful, and intential behaviors performed according to certain rules or in a stereotyped manner
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Criteria for OCD diagnosis
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-Obsessions and compulsions must interfere with functioning, cause distress, or be time consuming.
-Patient must recognize them as excessive/unreasonable -Symptoms not restricted to other diagnoses -Not due to direct effects of a substance or general medical condition |
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Key clinical features of OCD
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??
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Most common obsessions and their compulsions in OCD
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Contamination: washing; avoidance
Pathologic doubt: checking Somatic obsessions: checking and rechecking Need for symmetry Sexual and aggressive: checking compulsions, religiousity |
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Epidemiology and Genetics of OCD
-Age of onset -Lifetime prevalence -Twin studies -Comorbidities |
-Bimodal onset: early onset is more male and has tics. Late onset is more female
- 2.5% ie: common - High MZ concordance, but environmental factors also implicated -Tourette's, anxiety disorders, mood disorders, eating disorders. |
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OCD vs. OCPD
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OCD patient views the symptoms as foreign and undesired
OCPD patient are comfortable with their thoughts and behavior |
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Neuroanatomy of OCD
-At baseline -When symptoms are provoked |
Increased activity in...
-orbitfrontal cortex and striatum -Right caudate, anterior cingulate gyrus, and bilateral orbitofrontal cortex |
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Neural circuits in OCD
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??
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Treatment of OCD
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??
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