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Nature 417, 502-503 (30 May 2002) | doi:10.1038/417502a
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Multiple Postdoctoral Positions
- University of Iowa
- Coralville, Iowa, USA
Assistant Professor and Associate Professor
- Massachusetts General Hospital/ Harvard Medical School
- Charlestown, MA
Neurobiology: Model hearing
George D. Pollak
Abstract
For the past 50 years a particular model of how animals locate the source of sounds has driven much of the research on auditory systems. It now seems, however, that this model might not apply to mammals.
Our ability to pinpoint the source of the sounds we hear is quite remarkable, but how do we do it? In general terms, the answer has been known since the time of Lord Rayleigh1: the localization of low-frequency sounds relies on a neural computation based on interaural time disparities (ITDs) — differences in the time it takes for a sound to reach each ear.
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