Reciprocal Connectivity of Identified Color-Processing Modules in the Monkey Inferior Temporal Cortex

被引：11

作者：

Banno, Taku ^{[1
,2
]}

Ichinohe, Noritaka ^{[3
,4
]}

Rockland, Kathleen S. ^{[3
,5
]}

Komatsu, Hidehiko ^{[1
,2
]}

机构：

[1] Natl Inst Physiol Sci, Div Sensory & Cognit Informat, Okazaki, Aichi 4448585, Japan

[2] Grad Univ Adv Studies SOKENDAI, Dept Physiol Sci, Okazaki, Aichi 4448585, Japan

[3] RIKEN, Brain Sci Inst, Lab Cort Org & Systemat, Wako, Saitama 3510198, Japan

[4] Hirosaki Univ, Grad Sch Med, Dept Neuroanat Cell Biol & Histol, Hirosaki, Aomori 0368562, Japan

[5] MIT, RIKEN, Ctr Neural Circuit Genet, Cambridge, MA 02139 USA

来源：

CEREBRAL CORTEX | 2011年 / 21卷 / 06期

关键词：

color-selective cells; functional module; network; tracer; PARAHIPPOCAMPAL CORTICES; INFEROTEMPORAL CORTEX; MACAQUE MONKEY; RHESUS-MONKEY; AREA TEO; SELECTIVE NEURONS; ORGANIZATION; PROJECTIONS; PATHWAYS; CELLS;

D O I：

10.1093/cercor/bhq211

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

The inferior temporal (IT) cortex is the last unimodal visual area in the ventral visual pathway and is essential for color discrimination. Recent imaging and electrophysiological studies have revealed the presence of several distinct patches of color-selective cells in the anterior IT cortex (AIT) and posterior IT cortex (PIT). To understand the neural machinery for color processing in the IT cortex, in the present study, we combined anatomical tracing methods with electrophysiological unit recordings to investigate the anatomical connections of identified clusters of color-selective cells in monkey IT cortex. We found that a color cluster in AIT received projections from a color cluster in PIT as well as from discrete clusters of cells in other occipitotemporal areas, in the superior temporal sulcus, and in prefrontal and parietal cortices. The distribution of the labeled cells in PIT closely corresponded with that of the physiologically identified color-selective cells in this region. Furthermore, retrograde tracer injections in the posterior color cluster resulted in labeled cells in the anterior cluster. Thus, temporal lobe color-processing modules form a reciprocally interconnected loop within a distributed network.

引用

页码：1295 / 1310

页数：16

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