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纽约大学的神经学家约什·麦克德尔摩特解释道:从生理学角度看,手指滑动黑板的声音为什么令人难以忍受?是人类尤其受不了这种声音,还是其它的生物也同样不堪其扰?很可能是几个因素共同作用使得这种声音令人不快。首先是高音频的出现。这也许一点也不足为奇。处在2000-4000赫兹范围的声音
New York University neuroscientist Josh McDermott explained: From a physiological point of view, why is the sound of a finger sliding on a blackboard so unbearable? It is human beings especially unable to tolerate this kind of sound, or other organisms are equally unbearable It is likely that several factors work together to make this sound unpleasant. The first is the emergence of high audio. This may not be surprising at all. Sounds in the 2000-4000 Hz range