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. 1998 Mar 2;785(2):341-6.
doi: 10.1016/s0006-8993(97)01363-2.

Divergent corticostriatal projections from a single cortical column in the somatosensory cortex of rats

K D Alloway  1 , J J Mutic, J E Hoover
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Divergent corticostriatal projections from a single cortical column in the somatosensory cortex of rats

K D Alloway et al. Brain Res. .

Abstract

We injected biotinylated dextran amine (BDA) into single vibrissal 'barrels' of primary somatosensory (SI) cortex and reconstructed the topography of labelled varicosities in the dorsolateral caudate-putamen. Plots of labelled varicosities revealed densely-packed clusters of corticostriatal arborizations along the dorsolateral edge of the caudate-putamen and sparsely-packed arborizations more medially. The medial and lateral clusters of labelled terminals were separated by regions of unlabelled neuropil and lead us to conclude that a single cortical column sends divergent projections to multiple regions of the caudate-putamen.

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