Interfrontal commissural abnormality, in schizophrenia: Tractography-assisted callosal parcellation

被引:17
作者
Miyata, Jun [1 ]
Hirao, Kazuyuki [1 ]
Namiki, Chihiro [1 ,2 ]
Fukuyama, Hidenao [2 ]
Okada, Tsutomu [3 ]
Miki, Yukio [3 ]
Hayashi, Takuji [1 ]
Murai, Toshiya [1 ]
机构
[1] Kyoto Univ, Grad Sch Med, Dept Neuropsychiat, Kyoto 6068507, Japan
[2] Kyoto Univ, Grad Sch Med, Human Brain Res Ctr, Kyoto 6068507, Japan
[3] Kyoto Univ, Grad Sch Med, Dept Diagnost Imaging & Nucl Med, Kyoto 6068507, Japan
关键词
schizophrenia; white matter; diffusion tensor imaging; tractography;
D O I
10.1016/j.schres.2007.07.032
中图分类号
R749 [精神病学];
学科分类号
100205 ;
摘要
Previous studies have indicated abnormal fiber connectivity of the corpus callosurn (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. (C) 2007 Elsevier B.V. All tights reserved.
引用
收藏
页码:236 / 241
页数:6
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