Facilitation from collinear flanks is cancelled by non-collinear flanks

被引：100
|
作者：
Solomon, JA [1 ]
Morgan, MJ [1 ]
机构：
[1] UCL, Inst Ophthalmol, London EC1V 9EL, England
来源：
VISION RESEARCH | 2000年 / 40卷 / 03期
基金：
英国医学研究理事会;
关键词：
masking; facilitation; lateral; spatial;
D O I：
10.1016/S0275-5408(99)00059-9
中图分类号：
Q189 [神经科学];
学科分类号：
071006 ;
摘要：
Detection of a central Gabor pattern is facilitated by the presence of collinear flanking patterns. We find that this facilitation is greatly reduced when the collinear flanks are combined with non-collinear hanks to form a coherent surround. These results are unlikely to be explained by mechanisms that merely transduce local contrast in a nonlinear fashion. A model wherein the outputs of such mechanisms are combined anisotropically provides a better account for these results. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：279 / 286
页数：8
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