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KMID : 1161520040080040319
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Animal Cells and Systems
2004 Volume.8 No. 4 p.319 ~ p.328
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Ventral striatal connections of unimodal and multimodal cortex of the superior temporal sulcus in macaque monkeys(macacca nemestrina)
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Jung Yong-Wook
Hong Sung-Won
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Abstract
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Extrinsic connections between the cortex of the superior temporal sulcus (STS) and the ventral striatum in pigtail macaque monkeys (Macacca nemestrina) were studied by injection of retrograde tracers into the ventromedial caudate nucleus, the ventral and central shells of the nucleus accumbens (NA), the dorsal core of the NA, and the ventrolateral putamen. In the present study, we demonstrate that the projections from the unimodal (area TAa, IPa, TEa, and TEm) and the multimodal (area TPO and PGa) sensory association areas in the STS mainly terminate in the ventromedial caudate nucleus as well as in the ventral and central shells of the NA. However, there are only few projections to the dorsal core of the NA and the ventrolateral putamen from the sensory association cortex in the STS. Based on these differential neural connections between the subterritories of the ventral striatum and the sensory association areas, the ventromedial caudate nucleus and the shells of NA appear to be major integration sites for sensory input from the STS and functionally different from the dorsal core of NA and the ventrolateral putamen.
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KEYWORD
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Ventral striatum, Superior temporal sulcus, Ventromedial caudate nucleus, Nucleus accumbens, Ventral shell, Sensory association areas, Macaque monkey, Retrograde tracing, Macacoa nemestrina
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