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CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-1754
DTSTART:20100126T180500Z
DURATION:PT1H0M0S
DTSTAMP:20260422T181600Z
LAST-MODIFIED:20100121T212535Z
LOCATION:4274 Chamberlin Hall
SUMMARY:Auditory Activation with Electric Hearing: Studies on Auditor
y Plasticity in Deaf Humans\, Chaos & Complex Systems Seminar\, Ruth L
itovsky\, UW-Madison Department of Communicative Disorders
DESCRIPTION:It is not uncommon for individuals who are deaf to undergo
surgical treatment whereby they are fitted with cochlear implants (CI
s). These devices send electrical stimulation to the auditory nerve in
such a way that the brain can learn to interpret the stimulation\, an
d CI users can effectively understand speech and enjoy the auditory wo
rld. Until recently\, the standard of care had been to implant candida
te patients with a single device in one ear. More recently\, this stan
dard has shifted such that two devices\, bilateral CIs\, are being pro
vided to growing number of patients. Being able to hear with two ears
affords humans functional abilities such as localization of sounds and
segregation of sources from background noise. These abilities depend
on binaural brain function\, that is\, on neural circuits that integra
te inputs from the two ears with great precision. Our lab studies the
emergence of binaural hearing abilities in children and adults who had
experienced various periods of auditory deprivation prior to being ac
tivated with electric hearing. Our studies address questions regarding
the ability of the auditory system to retain sensitivity to binaural
hearing after deprivation. In addition\, in children who have never he
ard with acoustic hearing\, but whose brains are wired for acoustics\,
we study the ability of the brain to respond to electric stimulation
such that the children attain age-appropriate abilities in domains of
language\, speech and hearing.
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URL:https://www.physics.wisc.edu/events/?id=1754
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