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Vol. 6, No. 4, 2001
Issue release date: 2001
Section title: Auditory CNS Processing and Plasticity
Audiol Neurootol 2001;6:221–227
(DOI:10.1159/000046837)

Auditory Pathway Encoding and Neural Plasticity in Children with Learning Problems

Kraus N.
Northwestern University, Evanston, Ill., USA

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Article / Publication Details

First-Page Preview
Abstract of Auditory CNS Processing and Plasticity

Published online: 11/8/2001
Issue release date: 2001

Number of Print Pages: 7
Number of Figures: 2
Number of Tables: 0

ISSN: 1420-3030 (Print)
eISSN: 1421-9700 (Online)

For additional information: http://www.karger.com/AUD

Abstract

An inability to process auditory information, especially speech, characterizes many children with learning and attention problems. Our working hypothesis is that these speech-sound perception problems arise, at least in some cases, from faulty representation of the speech signal in central auditory centers. Preconscious neurophysiologic representation of sound structure by central auditory pathway neurons can be reflected by subcortical and cortical aggregate neural responses. These neurophysiologic responses can be modified by perceptual learning. Our research has shown that some children with learning problems demonstrate abnormal perception and neural representation of certain speech sounds. Differences between normal and learning-impaired groups can be attributable to aspects of neural synchrony that are reflected in aggregate neural responses. Deficiencies in neural synchrony in these children are apparent in subcortical (as well as cortical) representations of speech-sound structure, and these timing deficits are related to performance on speech-sound perception and learning measures. Moreover, impaired perception and neurophysiologic encoding of speech sounds can be improved with cue enhancement and can be modified by perceptual learning associated with auditory training.

© 2001 S. Karger AG, Basel


Article / Publication Details

First-Page Preview
Abstract of Auditory CNS Processing and Plasticity

Published online: 11/8/2001
Issue release date: 2001

Number of Print Pages: 7
Number of Figures: 2
Number of Tables: 0

ISSN: 1420-3030 (Print)
eISSN: 1421-9700 (Online)

For additional information: http://www.karger.com/AUD


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