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Nonprimary motor cortex plays a role in cognitive mental operations Manabu HONDA 1 1Laboratory of Psychophysiology, National Institute for Physiological Sciences Keyword: 高次運動領野 , 心内表象 , シミュレーション pp.484-490
Published Date 1999/8/10
DOI https://doi.org/10.11477/mf.1431901066
  • Abstract
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Although the nonprimary motor cortices play a role in higher motor control, it is unclear whether its functions are exclusively motor, or, alternatively, apply more generally to various cognitive operations. We studied the potential role of premotor cortex, lateral and medial area 6, in mental operation tasks without motor involvement. PET scans using H2150 injection were obtained while subjects performed a mental calculation task in which subjects serially added visually-presented numbers without any motor responses. The task lasted until >30s after PET scan, and then the sum was verbally reported.


Copyright © 1999, 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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