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Brain Sci. 2016, 6(1), 4; doi:10.3390/brainsci6010004

Cross-Modal Re-Organization in Clinical Populations with Hearing Loss

†,* and
Department of Speech, Language & Hearing Science, Institute of Cognitive Science, University of Colorado, 2501 Kittredge Loop Road 409 UCB, Boulder, CO 80309, USA
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editors: Sridhar Krishnamurti and Jai Shetake
Received: 5 November 2015 / Revised: 18 December 2015 / Accepted: 20 January 2016 / Published: 26 January 2016
(This article belongs to the Special Issue Auditory System)
View Full-Text   |   Download PDF [561 KB, uploaded 26 January 2016]   |  

Abstract

We review evidence for cross-modal cortical re-organization in clinical populations with hearing loss. Cross-modal plasticity refers to the ability for an intact sensory modality (e.g., vision or somatosensation) to recruit cortical brain regions from a deprived sensory modality (e.g., audition) to carry out sensory processing. We describe evidence for cross-modal changes in hearing loss across the age-spectrum and across different degrees of hearing impairment, including children with profound, bilateral deafness with cochlear implants, single-sided deafness before and after cochlear implantation, and adults with early-stage, mild-moderate, age-related hearing loss. Understanding cross-modal plasticity in the context of auditory deprivation, and the potential for reversal of these changes following intervention, may be vital in directing intervention and rehabilitation options for clinical populations with hearing loss. View Full-Text
Keywords: cross-modal re-organization; sensitive period; auditory cortex; auditory deprivation; auditory evoked potentials; visual evoked potentials; somatosensory evoked potentials; P1 CAEP; cochlear implants; single-sided deafness; age-related hearing loss cross-modal re-organization; sensitive period; auditory cortex; auditory deprivation; auditory evoked potentials; visual evoked potentials; somatosensory evoked potentials; P1 CAEP; cochlear implants; single-sided deafness; age-related hearing loss
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Sharma, A.; Glick, H. Cross-Modal Re-Organization in Clinical Populations with Hearing Loss. Brain Sci. 2016, 6, 4.

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