Modern Examinations of Echo Acuity in Blind Humans


The acuity of echolocation: Spatial resolution in the sighted compared to expert performance.

National Institutes of Health
Santani Teng, Prof. David Whitney

Abstract

Compared with the echolocation performance of a blind expert, sighted novices rapidly learned size and position discrimination with surprising precision. We use a novel task to characterize the population distribution of echolocation skill in the sighted and report the highest known human echolocation acuity in our expert subject. Daniel Kish was the "expert" subject.

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