Striatal projections from the cat visual thalamus

被引:36
作者
Harting, JK [1 ]
Updyke, BV [1 ]
Van Lieshout, DP [1 ]
机构
[1] Univ Wisconsin, Dept Anat, Madison, WI 53706 USA
关键词
caudate; putamen; superior colliculus;
D O I
10.1046/j.0953-816x.2001.01712.x
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Anterograde transport methods reveal an extensive thalamostriate projection from the extrageniculate visual thalamus. These projections distribute to approximately the same regions of the striatum innervated by the corticostriate projections from over a dozen higher visual cortical areas [visual-recipient sector; Updyke, B.V. (1993) J. Comp. Neurol., 327, 159-193.]. Like their cortical counterparts, the thalamostriate projections to the caudate distribute in a patchy manner that suggests potential overlap or intermingling spatial relationships between the two major afferents. All of the visually related thalamic nuclei projecting to the striatum receive ascending signals from the superior colliculus, suggesting that the constraints placed upon tectal processing by striatonigral control have important consequences for central perceptuomotor processing at the striatal and cortical levels.
引用
收藏
页码:893 / 896
页数:4
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