Evidence for the lateral intraparietal area as the parietal eye field.

Evidence for the lateral intraparietal area as the parietal eye field.
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DOI:
10.1016/0959-4388(92)90143-9
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发表时间:
1992-12-01
影响因子:
5.7
通讯作者:
Mazzoni, P
Mazzoni, P
中科院分区:
医学2区
文献类型:
--
作者:
Andersen, R A;Brotchie, P R;Mazzoni, P

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长期以来,人们一直认为后顶叶皮层在扫视眼球运动的处理中起着重要作用。直到最近才发现,在这个大得多的区域内,有一个小的皮层区域,即外侧顶内区,似乎专门用于扫视眼球运动。与后顶叶皮层中的其他皮层区域不同,外侧顶内区与其他扫视中心有很强的解剖学联系,其细胞具有在扫视之前开始的扫视相关反应。外侧顶内区似乎既不是严格的视觉结构,也不是严格的运动结构;相反,它执行视觉整合功能,包括确定扫视目标的空间位置和形成眼球运动的计划。
It has long been appreciated that the posterior parietal cortex plays a role in the processing of saccadic eye movements. Only recently has it been discovered that a small cortical area, the lateral intraparietal area, within this much larger area appears to be specialized for saccadic eye movements. Unlike other cortical areas in the posterior parietal cortex, the lateral intraparietal area has strong anatomical connections to other saccade centers, and its cells have saccade-related responses that begin before the saccades. The lateral intraparietal area appears to be neither a strictly visual nor strictly motor structure; rather it performs visuomotor integration functions including determining the spatial location of saccade targets and forming plans to make eye movements.