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Neurosci Lett. 1992 Aug 31;143(1-2):237-42.

Thalamocortical connections of rat posterior parietal cortex.

Author information

1
Department of Neurological Surgery, University of Florida, Gainesville 32610.

Abstract

The neuronal connections of rat posterior parietal cortex (PPC) have been examined using retrograde fluorescent axonal tracers. We have found that PPC receives thalamic input predominantly from the lateral posterior and lateral dorsal nuclei, and not from the ventrobasal nucleus, which projects to the rostrally adjacent hindlimb cortex, or from the dorsal lateral geniculate nucleus, which projects to the caudally adjacent visual association area. PPC has reciprocal corticocortical connections with medial agranular cortex and orbital cortex; together, these three cortical areas may function as a network for directed attention in rats.

PMID:
1436673
[Indexed for MEDLINE]

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