Model studies of the mechanisms of the dynamics of double orientation tuning of visual cortex neurons

被引：0

作者：

Saltykov K.A. ^{[1
]}

机构：

[1] Inst. of Higher Nervous Activity, Russian Academy of Sciences, Moscow

来源：

Neuroscience and Behavioral Physiology | 2000年 / 30卷 / 6期

基金：

俄罗斯基础研究基金会;

关键词：

Computer Model; Relative Position; Visual Cortex; Receptive Field; Inhibitory Zone;

D O I：

10.1023/A:1026602901048

中图分类号：

学科分类号：

摘要：

A geometrical computer model was used to study the dynamics of double orientation tuning of visual cortex neurons, which occurs in the visual cortex of the cat. Modeling confirmed the role of the shapes, relative positions, and weightings of the excitatory and inhibitory zones of the receptive field and the dynamics of these properties for generating this effect. It was shown that acute and selective orientation tuning with two peaks could be formed dynamically only by means of changes in the weightings of zones in a receptive field containing terminal and lateral inhibitory zones, while changes in the positions and areas of zones in the receptive field required the receptive field to contain only a terminal inhibitory zone.

引用

页码：687 / 693

页数：6

共 15 条

[1]

Podvigin N.F., Dynamic Properties of Neuronal Structures of the Visual System, (1979)

[2]

Saltykov K.A., Sharaev G.A., Shevelev I.A., A geometrical model for the dynamics of orientation tuning, Biofizika, 44, 1, pp. 83-90, (1999)

[3]

Saltykov K.A., Shevelev I.A., A model of a neural network for detecting single bands and cross-like figures, Zh. Vyssh. Nerv. Deyat., 48, pp. 524-533, (1998)

[4]

Shevelev I.A., Visual Cortex Neurons, (1984)

[5]

Shevelev I.A., Aizel U.T., Lazareva N.A., Et al., The role of intracortical inhibition in the dynamics of orientation tuning of neurons in the cat striate cortex, Neirofiziologiya, 27, 2, pp. 100-109, (1995)

[6]

Shevelev I.A., Volgushev M.A., Sharaev G.A., Characteristics of the dynamic tuning of the receptive fields of visual neurons during changes in light stimulation parameters, Neirofiziologiya, 15, 4, pp. 339-347, (1983)

[7]

Shevelev I.A., Lazareva N.A., Novikova R.V., Et al., Double orientation tuning of cat visual cortex neurons, Neirofiziologiya, 15, 5, pp. 459-465, (1983)

[8]

Shevelev I.A., Lazareva N.A., Novikova R.V., Et al., Dynamics of the orientation tuning of cat visual cortex neurons during treatment with Sombrevin, Neirofiziologiya, 22, 1, pp. 107-113, (1990)

[9]

Shevelev I.A., Sharaev G.A., Dynamics of the orientation tuning of visual cortex neurons, Neirofiziologiya, 13, 5, pp. 451-459, (1981)

[10]

Shevelev I.A., Sharaev G.A., Volgushev M.A., Et al., Dynamics of the receptive fields of visual cortex and lateral geniculate body neurons, Neirofiziologiya, 14, 6, pp. 622-630, (1982)

← 1 2 →