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猫视网膜非线性处理的模型。

A model for non-linear processing in cat's retina.

作者信息

Moreno-Díaz R, Rubio E

出版信息

Biol Cybern. 1980;37(1):25-31. doi: 10.1007/BF00347639.

DOI:10.1007/BF00347639
PMID:7388059
Abstract

The model is based on the concept that non-linear lateral interaction at the inner plexiform layer accounts for most of the specialization and marked non-linearities in cat's retinal ganglion cell responses. The inputs to the lateral interaction processes are a spatio-temporal signal and its retarded, as suggested by the behaviour of simple ganglion cells. Lateral interaction in the model consists of lateral linear inhibition followed by local half wave rectification. The resulting signals are weighted and summated by the ganglion cell thereafter. A transparent and general expression is obtained for the response of the cell model which, albeit its simplicity, leads to most of known types of non-linear responses, including the rarely encountered specialized cells in cat's, retina, except colour coding units. For negligible lateral interaction, the model reduces to spatio-temporal linear models under the two paths hypothesis. A discussion of the possible role of anatomical units in these retinal processes in presented, where a general interpretation for visual processing in cat's retina evolves from.

摘要

该模型基于这样一种概念,即内网状层的非线性侧向相互作用是猫视网膜神经节细胞反应中大部分特化和显著非线性的原因。如简单神经节细胞的行为所表明的,侧向相互作用过程的输入是一个时空信号及其延迟信号。模型中的侧向相互作用由侧向线性抑制 followed by local half wave rectification 组成。此后,产生的信号由神经节细胞进行加权和求和。得到了细胞模型反应的一个透明且通用的表达式,尽管其简单,但能产生大多数已知类型的非线性反应,包括猫视网膜中很少遇到的特化细胞,但不包括颜色编码单元。对于可忽略不计的侧向相互作用,在两条路径假设下,该模型简化为时空线性模型。文中对这些视网膜过程中解剖学单元的可能作用进行了讨论,从中得出了对猫视网膜视觉处理的一般解释。 (注:“followed by local half wave rectification”这里“followed by”直译为“接着是”,但“local half wave rectification”不太明确其准确中文术语,可能是专业领域特定表述,暂保留英文。)

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引用本文的文献

1
A layered model for visual processing in avian retina.鸟类视网膜视觉处理的分层模型。
Biol Cybern. 1980;38(2):85-9. doi: 10.1007/BF00356034.

本文引用的文献

1
The contrast sensitivity of retinal ganglion cells of the cat.猫视网膜神经节细胞的对比敏感度。
J Physiol. 1966 Dec;187(3):517-52. doi: 10.1113/jphysiol.1966.sp008107.
2
Quantitative aspects of sensitivity and summation in the cat retina.猫视网膜中敏感性和总和的定量研究
J Physiol. 1968 Sep;198(1):17-38. doi: 10.1113/jphysiol.1968.sp008591.
3
Properties of cat retinal ganglion cells: a comparison of W-cells with X- and Y-cells.猫视网膜神经节细胞的特性:W 细胞与 X 细胞和 Y 细胞的比较。
J Neurophysiol. 1974 Jul;37(4):722-48. doi: 10.1152/jn.1974.37.4.722.
4
Brisk and sluggish concentrically organized ganglion cells in the cat's retina.猫视网膜中呈向心性排列的活跃和迟缓的神经节细胞。
J Physiol. 1974 Jul;240(2):421-56. doi: 10.1113/jphysiol.1974.sp010617.
5
Properties of rarely encountered types of ganglion cells in the cat's retina and an overall classification.猫视网膜中罕见类型神经节细胞的特性及总体分类
J Physiol. 1974 Jul;240(2):457-92. doi: 10.1113/jphysiol.1974.sp010618.
6
Organization of the primate retina: electron microscopy.灵长类动物视网膜的组织结构:电子显微镜观察
Proc R Soc Lond B Biol Sci. 1966 Nov 15;166(1002):80-111. doi: 10.1098/rspb.1966.0086.
7
Temporal characteristics of peripheral inhibition of sustained and transient ganglion cells in cat retina.
Vision Res. 1976 Jan;16(1):37-45. doi: 10.1016/0042-6989(76)90074-2.
8
The control of retinal ganglion cell discharge by receptive field surrounds.感受野周边对视网膜神经节细胞放电的控制。
J Physiol. 1975 Jun;247(3):551-78. doi: 10.1113/jphysiol.1975.sp010947.
9
A spatio-temporal model of cat's retinal cells.
Biol Cybern. 1978 Jul 14;30(1):15-22. doi: 10.1007/BF00365479.
10
A theoretical model for layered visual processing.分层视觉处理的理论模型。
Int J Biomed Comput. 1979 May;10(3):231-43. doi: 10.1016/0020-7101(79)90014-x.