哦,链接没给。看这里
http://en.wikipedia.org/wiki/Lateral_inhibition
还有这里
http://en.wikipedia.org/wiki/Mach_band
还找到了这个
http://en.wikipedia.org/wiki/Optical_illusion#Explanation_of_cognitive_illusions
啊,刚刚把最后一个链接读了一遍,长了些知识。原来以为这种 错觉的生物机理是 lateral inhibition, 但那篇文章中说,2005 年之后,这个观点有争议了。(More recent "empirical" approaches to optical illusions have had some success in explaining optical phenomena with which theories based on lateral inhibition have struggled (e.g. Howe et al. 2005[2]).
学海无边,低调低调, 俺不懂的东西太多了