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  • Title: Recent advances in obsessive-compulsive disorder.
    Author: Rapoport JL.
    Journal: Neuropsychopharmacology; 1991 Aug; 5(1):1-10. PubMed ID: 1930606.
    Abstract:
    A growing body of evidence from clinical phenomenology, including associated disorders, brain imaging, and neuropharmacologic studies, links the classic psychiatric syndrome of obsessive-compulsive disorder (OCD) to basal ganglia dysfunction and to the serotonin system. At present, OCD is the psychiatric syndrome for which a specific neurologic dysfunction is most strongly suggested, and for which a particularly compelling animal model has been found. It is proposed that dysfunction of basal ganglia-thalamic frontal cortical loops produce "positive" symptoms of excessive grooming, checking, and doubt most common in OCD. Perhaps most intriguing are preliminary data from clinical trials that a spectrum of other abnormal behaviors resembling excessive grooming in both animals and humans may be related to OCD. An ethologic perspective is suggested.
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