Orientation selectivity in cat primary visual cortex: local and global measurement

被引：0

作者：

Tao Xu ^{[1
,2
]}

Hong-Mei Yan ^{[1
]}

Xue-Mei Song ^{[2
]}

Ming Li ^{[3
]}

机构：

[1] Key Laboratory for Neuroinformation of Ministry of Education, University of Electronic Science and Technology of China

[2] The Department of Automatic Control, College of Mechatronics and Automation, National University of Defense Technology

[3] Shanghai Institutes of Biological Sciences, Chinese Academy of Sciences

来源：

NeuroscienceBulletin | 2015年 / 31卷 / 05期

基金：

中国国家自然科学基金;

关键词：

cat; orientation selectivity; tuning width; circular variance; primary visual cortex;

D O I：

暂无

中图分类号：

R338.3 [感觉的中枢活动规律];

学科分类号：

0710 ; 071006 ;

摘要：

In this study,we investigated orientation selectivity in cat primary visual cortex(V1) and its relationship with various parameters.We found a strong correlation between circular variance(CV) and orthogonal-topreferred response ratio(O/P ratio),and a moderate correlation between tuning width and O/P ratio.Moreover,the suppression far from the peak that accounted for the lower CV in cat V1 cells also contributed to the narrowing of the tuning width of cells.We also studied the dependence of orientation selectivity on the modulation ratio for each cell,which is consistent with robust entrainment of the neuronal response to the phase of the drifting grating stimulus.In conclusion,the CV(global measure) and tuning width(local measure) are significantly correlated with the modulation ratio.

引用

页码：561 / 571

页数：11

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