在左图中白杠交叉的地方,你会看到一些灰点在闪动着。这一错觉是由视网膜细胞对该几何图形光线的反映方式所引起的,黑白之间的对比分别激活或抑制视网膜细胞的反映,就产生了错觉。

http://jifanghua.blogbus.com/logs/2004/02/84111.html



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