Unequal representation of cardinal and oblique contours in ferret visual cortex
收藏PubMed Central1998-03-03 更新2026-04-25 收录
下载链接：
https://pmc.ncbi.nlm.nih.gov/articles/PMC19437/
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资源简介：
We have measured the amount of cortical space activated by differently oriented gratings in 25 adult ferrets by optical imaging of intrinsic signal. On average, 7% more area of the exposed visual cortex was preferentially activated by vertical and horizontal contours than by contours at oblique angles. This anisotropy may reflect the real-world prevalence of contours in the cardinal axes and could explain the greater sensitivity of many animals to vertical and horizontal stimuli.
提供机构：
National Academy of Sciences
创建时间：
1998-03-03
