Discuss: Why do we have 'selective hearing'?

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Offline thedoc

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Discuss: Why do we have 'selective hearing'?
« on: 19/05/2015 12:54:40 »
How our ears screen out sounds so that we can listen selectively only to those sounds we want to hear - like a friend’s voice across a noisy room for instance - has been revealed by scientists in Australia. Gary Housley, from the University of New South Wales, has found that the inner ear, known as the cochlea, contains a population of sound-sensitive “hair cells” that communicate with the brain and work like miniature amplifiers to control the sensitivity of the ears to different sound frequencies...
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« Last Edit: 19/05/2015 12:54:40 by _system »