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Auditory scene analysis in dyslexics

Lookup NU author(s): Professor Christopher Petkov


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It has been argued that dyslexics suffer from temporal sensory processing deficits which affect their ability to discriminate speech in quiet environments. The impact of auditory deficits on non-language aspects of perception, however, is poorly understood. In almost every natural-listening environment, one must constantly construct scenes of the auditory world by grouping and analyzing sounds generated by multiple sources. We investigated whether dyslexics have difficulties grouping sounds. The results demonstrate that dyslexics have an impairment in grouping auditory objects that depends both on the sounds' frequency and presentation rate (i.e. the spectrotemporal context of the sound). We conclude that dyslexics have difficulty constructing scenes of the auditory world, and that these deficits can contribute to learning impairments.

Publication metadata

Author(s): Sutter ML, Petkov C, Baynes K, O'Connor KN

Publication type: Article

Publication status: Published

Journal: NeuroReport

Year: 2000

Volume: 11

Issue: 9

Pages: 1967-71

Print publication date: 26/06/2000

ISSN (print): 0959-4965

ISSN (electronic): 1473-558X

Publisher: Lippincott Williams & Wilkins

PubMed id: 10884053