'Make like a bat’: Two ears attuned to high frequencies help people find objects using echoes

Friday, May 8, 2015 - 08:00 in Psychology & Sociology

The ability that some people have to use echoes to determine the position of an otherwise silent object, in a similar way to bats and dolphins, requires good high-pitch hearing in both ears, according to new research. This builds on recent research that demonstrated conclusively that some sighted and blind people could use echoes in this way. What wasn’t clear until now was how important high-frequency hearing in both ears is.

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