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A MRI study of fusiform gyrus in schizotypal personality disorder
Chandlee C Dickey1, Robert W McCarley, Martina M Voglmaier
1Laboratory of Neuroscience, Department of Psychiatry, VA Boston Healthcare System, and Surgical Planning Laboratory, MRI Division, Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
Abstract:
The fusiform gyrus is important for face and object recognition, is abnormal in schizophrenia, but has not been studied in schizotypal personality disorder (SPD). Thin-slice MR images showed no differences, either in right, left or total fusiform gyri volumes, between subjects with SPD (N=21) and normal controls (N=19). However, there was a correlation between severity of illusions and magical thinking suffered by the SPD subjects and smaller right fusiform gyrus volumes. This suggests that future studies may be useful in determining the functional competence of this gyrus in SPD.
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