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  • Title: Behavioral and cognitive impulsivity in obsessive-compulsive disorder and eating disorders.
    Author: Boisseau CL, Thompson-Brenner H, Caldwell-Harris C, Pratt E, Farchione T, Barlow DH.
    Journal: Psychiatry Res; 2012 Dec 30; 200(2-3):1062-6. PubMed ID: 22749228.
    Abstract:
    This study compared self-reported impulsivity and neurocognitively assessed response inhibition in obsessive-compulsive disorder (OCD), eating disorder (ED), and healthy control participants. Participants completed the Barratt Impulsiveness Scale (BIS-11), stop-signal reaction time task, and measures of OCD and ED symptomatology (Yale-Brown Obsessive-Compulsive Scale and Eating Disorders Examination-Questionnaire). Compared to controls, both clinical groups reported higher levels of impulsivity on the BIS-11 however; only the OCD demonstrated increased stop-signal reaction time. Heightened levels of self-reported impulsivity may reflect the experience of anxiety in both OCD and ED populations whereas a lack of inhibitory control may represent a specific behavioral deficit in OCD.
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