Deficits in Limb Praxis in Patients With Obsessive-Compulsive Disorder
Elisabeth Rounis1, Paula Banca1, Valerie Voon1
1From the Division of Clinical Neurology, Nuffield Dept. of Clinical Neurosciences, University of Oxford, John Radcliffe Hospital, Oxford, UK (ER); the Dept. of Psychiatry, University of Cambridge, Addenbrooks Hospital, Cambridge, UK (PB, VV); and Cambridgeshire and Peterborough NHS Foundation Trust, Cambridge, UK (VV).
Abstract:
There is recent evidence of deficits in praxis in patients with primary dystonia. Obsessive-compulsive disorder (OCD) has been linked to disorders of higher-order motor function, such as dystonia. However, no clear mechanism underlying such a relationship has been found. This pilot study aimed to identify whether patients with OCD might also show deficits in praxis. Patients with OCD were compared with healthy volunteers on a meaningless gesture imitation task. Patients showed significantly lower scores in this task. Further studies are needed to elucidate the nature of patients' deficits in praxis. This might reveal similar mechanisms underlying OCD and some types of movement disorders.
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