MAGNETIC-RESONANCE BRAIN IMAGING IN WOMEN WITH OBSESSIVE-COMPULSIVE DISORDER AND TRICHOTILLOMANIA

Magnetic resonance imaging of the brain was undertaken in women with o bsessive-compulsive disorder (n = 13), trichotillomania (n = 17), and healthy controls (n = 12). Caudate volume and ventricular-brain ratio (VBR) (variables that have previously been highlighted as abnormal in studies of OCD) were compared in the three subject groups and were cor related with neuropsychological and neurological soft sign findings. N o significant differences were found between women with OCD, trichotil lomania and normal controls on caudate volume or VBR. Decreased left c audate volume was significantly correlated with impairment on neuropsy chological testing and with increased neurological soft signs. The neg ative findings here may indicate that in women with OCD and related di sorders structural brain abnormalities are less obvious or less common than in men with these conditions, or they may reflect inadequate sen sitivity of the brain measures employed. (C) 1997 Elsevier Science Ire land Ltd.