Is Reaching Eye-Centered, Body-Centered, Hand-Centered, or a Combination?

Is Reaching Eye-Centered, Body-Centered, Hand-Centered, or a Combination?
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达到以眼为中心、以身体为中心、以手为中心还是两者的结合?

DOI:
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发表时间:
2001
影响因子:
4.1
通讯作者:
M. Graziano
M. Graziano
中科院分区:
医学3区
文献类型:
--
作者:
M. Graziano

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目前关于视觉引导伸手的神经基础有三种主要观点:1)位于上级顶叶的神经元在以身体为中心的空间框架中引导手臂运动; 2)位于顶内沟的神经元在以眼睛为中心的空间框架中引导手臂运动;(3)运动前皮层尾侧部神经元在以手臂和手为中心的空间框架内引导手臂运动。这三种观点是相互兼容的,可以融入一个更大的模式。目标位置的以眼睛为中心的表示以及手臂和手位置的以身体为中心的表示可以被整合以形成靠近尾侧前运动皮层和初级运动皮层中的输出阶段的以手为中心的表示。
There are currently three main views on the neural basis of visually guided reaching: 1) neurons in the superior parietal lobe guide arm movements in a spatial framework that is centered on the body; 2) neurons in the intraparietal sulcus guide arm movements in a spatial framework that is centered on the eye; 3) neurons in the caudal part of premotor cortex guide arm movements in a spatial framework that is centered on the arm and hand. The three viewpoints are mutually compatible and may fit into a larger pattern. Eye-centered representations of target position, and body-centered representations of arm and hand position, may be integrated to form a hand-centered representation close to the output stage in caudal premotor and primary motor cortex.
DOI: 10.1126/science.7973661
发表时间: 1994-11-11
期刊: SCIENCE
影响因子: 56.9
作者:
GRAZIANO, MSA;YAP, GS;GROSS, CG
通讯作者: GROSS, CG
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发表时间: 1989-08-01
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