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Neural basis of post-traumatic stress disorder Hidenori Yamasue 1 , Kiyoto Kasai 1 , Nobumasa Kato 1 1Department of Neuropsyhicatry, Graduate School of Medicine, University of Tokyo Keyword: 心的外傷後ストレス性障害 , 核磁気共鳴画像 , 海馬 , 前部帯状皮質 pp.153-160
Published Date 2006/2/10
DOI https://doi.org/10.11477/mf.1431100030
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Post-traumatic stress disorder(PTSD)is unique in being characterized as a psychogenic psychiatric disorder caused by psychological trauma. Of note, findings from recent neuroimaging studies of patients with PTSD suggest pre-existing brain pathology plays an important role even in the onset of psychogenic disorder. In particular a number of studies have suggested an important role of the anterior cingulate cortex, a structure involved in attention, emotional regulation and conditioned fear, as well as the other limbic structures and their interconnections in the pathophysiology of PTSD. Recently, much attention has been paid to PTSD as a human model of both failure of extinction of conditioned fear and of interactions between genetic and environmental factors. This review article firstly reviewed recent structural and functional neuroimaging studies of PTSD and then proposed an integrative model that may account for the pathophysiology of PTSD at clinical, brain functional, and genetic level.


Copyright © 2006, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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