Ifat Yasin on hearing
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We hear by amplifying the sounds that go into
our ear. But our ears can be tricked using auditory illusions. Ifat
Yasin, Lecturer in Auditory Anatomy and Physiology at UCL Ear
Institute, thinks these aural deceptions may hold the key to
improving the treatment of hearing impairment. She talks to the
Wellcome Trust's Dan Glaser about the science of perceiving
sound.
Due to a technical error the first few minutes
of this event are unavailable. The podcast begins just after Ifat
has explained to Dan how she uses a computer-based experiment to
investigate hearing in the lab. In the experiment, study
participants listen to two masking sounds (‘shush’) on a computer,
one of which contains a ‘beep’ shortly after. Participants have to
press a button when they think they hear the 'beep'. The experiment
looks at their ability to detect this ‘beep’ after the masking
sound.
This packed lunch event was recorded live on
23 March 2011 at Wellcome Collection.