Abstract
Previous studies have indicated abnormal fiber connectivity of the corpus callosum (CC) in schizophrenia. This study investigated whether the interfrontal commissural region of the CC is decreased in schizophrenia, by partitioning the CC using a functio-anatomically relevant internal landmark derived from tractographic analysis of diffusion tensor imaging (DTI). T1 weighted and DTI images were acquired by 3T-MRI. Using tractography, the interfrontal commissural region (anterior part) was partitioned from the rest of the CC in 40 schizophrenia patients and 36 healthy controls. Schizophrenia patients showed smaller anterior/total CC length and area rates. These results suggested interfrontal hypoconnectivity in schizophrenia.
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