Enhanced intensity discrimination in the intact ear of adults with unilateral deafness

Maslin, Michael R. D. and Taylor, Melissa and Plack, Christopher J. and Munro, Kevin J. (2015) Enhanced intensity discrimination in the intact ear of adults with unilateral deafness. Journal of the Acoustical Society of America, 137 (6). EL408-14. ISSN 0001-4966

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Abstract

Physiological measures of neural activity in the auditory cortex have revealed plasticity following unilateral deafness. Central projections from the remaining ear reorganize to produce a stronger cortical response than normal. However, little is known about the perceptual consequences of this increase. One possibility is improved sound intensity discrimination. Intensity difference limens were measured in 11 individuals with unilateral deafness that were previously shown to exhibit increased cortical activity to sounds heard by the intact ear. Significantly smaller mean difference limens were observed compared with controls. These results provide evidence of the perceptual consequences of plasticity in humans following unilateral deafness.

Item Type:
Journal Article
Journal or Publication Title:
Journal of the Acoustical Society of America
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3102
Subjects:
ID Code:
75495
Deposited By:
Deposited On:
09 Sep 2015 06:34
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 09:22