Human symmetry detection exhibits reverse eccentricity scaling

被引:25
作者
Tyler, CW [1 ]
机构
[1] Smith Kettlewell Eye Res Inst, San Francisco, CA 94115 USA
关键词
symmetry; eccentricity; noise; reverse scaling; human; pattern;
D O I
10.1017/S0952523899165118
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Human symmetry detection in dense patterns exhibits a spatial integration range that becomes narrower with distance of the symmetry axis from the fovea. This narrowing violates the general properties of eccentricity that have been found for all previous visual cortical areas, tasks, and assessment techniques. This reverse eccentricity scaling may, in conjunction with the long-range matching properties for symmetry described in Tyler and Hardage (1996), imply that symmetry is processed by a specialized cortical area with non-retinotopic neural architecture.
引用
收藏
页码:919 / 922
页数:4
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