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Exp Brain Res. 1989;76(3):473-84.

Projections from inferior temporal cortex to prefrontal cortex via the uncinate fascicle in rhesus monkeys.

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Laboratory of Neuropsychology, NIMH, Bethesda, MD 20892.


In five rhesus monkeys (Macaca mulatta) we used anterograde and retrograde tracing techniques to investigate the projection from the inferior temporal cortex (area TE) to the prefrontal cortex as well as the course of the projecting fibers. The results showed that TE projects to both the inferior convexity and orbital surface of prefrontal cortex and that these projections course almost exclusively via the uncinate fascicle. Transection of the uncinate fascicle deprives the prefrontal cortex of virtually all input from TE, but leaves intact inputs from prestriate and parietal visual areas as well as the amygdala. Such transection also leaves intact many projections from TE to targets other than the prefrontal cortex, including the amygdala, ventral putamen, tail of the caudate nucleus, and pulvinar.

[Indexed for MEDLINE]

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