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非意识视觉运动知觉启动的脑机制
Authors
R. Parasuraman
唐一源
姜扬
罗跃嘉
Publication date
1 January 2001
Publisher
Abstract
记录正常青年人在运动知觉实验中的事件相关电位(ERPs)与功能性磁共振成像(fMRI). 结果发现某一特定方向的视觉运动知觉可以无意识地诱导其后的运动知觉偏向于同一方向;ERP早期(100ms)与晚期(350ms)成分的波幅增大;fMRI显示该早期效应反映外纹状皮层的神经调节机制,内侧颞叶(MT/MST)和顶叶内皮质的高级视觉加工区域也被激活.该结果提供了运动知觉启动效应的机制,是运动知觉刺激的方向选择性神经响应相互作用观点的直接证据,支持基于计算模型的对立的运动知觉启动理论,不支持神经反应不应期假说.</p
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Institutional Repository of Institute of Psychology, Chinese Academy of Sciences
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Last time updated on 14/01/2021
Institute of Psychology,Chinese Academy Of Sciences
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Institutional Repository of Institute of Psychology, Chinese Academy of Sciences
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Last time updated on 25/07/2018