Receptive-field microstructure of blue-yellow ganglion cells in primate retina

被引：105

作者：

Chichilnisky, EJ ^{[1
]}

Baylor, DA ^{[1
]}

机构：

[1] Stanford Univ, Sch Med, Dept Neurobiol, Stanford, CA 94305 USA

来源：

NATURE NEUROSCIENCE | 1999年 / 2卷 / 10期

关键词：

D O I：

10.1038/13189

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

We examined the functional microcircuitry of cone inputs to blue-ON/yellow-OFF (BY) ganglion cells in the macaque retina using multielectrode recording. BY cells were identified by their ON responses to blue light and OFF responses to red or green light. Cone-isolating stimulation indicated that ON responses originated in short (S) wavelength-sensitive cones, whereas OFF responses originated in both long (L) and middle (M) wavelength-sensitive cones. Stimulation with fine spatial patterns revealed locations of individual S cones in BY cell receptive fields. Neighboring BY cells received common but unequal inputs from one or more S cones. Inputs from individual S cones differed in strength, indicating different synaptic weights, and summed approximately linearly to control BY cell firing.

引用

页码：889 / 893

页数：5

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