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Somatotopy and Information Processing in the Somatosensory Cortex Yoshiaki Iwamura 1 1Department of Sensory Science,Faculty of Health Science and Technology,Kawasaki University of Medical Welfare Keyword: the first somatosensory cortex , cytoarchitectonic subdivisions , overlapping representation of digits , bilateral representation of the body , hierarchical somatosensory processing pp.1373-1382
Published Date 2009/12/1
DOI https://doi.org/10.11477/mf.1416100601
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Abstract

 The present article reviews studies on the somatotopic representation of the body in the postcentral gyrus. The review consists of 3 sections namely the early studies on the cortical localization of somatosensory in humans and animals, earlier neurophysiological studies in monkeys by recording single units, and more recent studies in human subjects. Results of the neurophysiological studies in monkeys established a hierarchical scheme of information processing and have guided the latest studies on human subjects that use various modern techniques such as neuroimaging.

 This review illustrates the origin of the concept of somatotopic representation of the body,its utilization in the later cortical mapping studies,and what is the reality of the concept.


Copyright © 2009, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1344-8129 印刷版ISSN 1881-6096 医学書院

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