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Auditory Temporal Processing in Disabled Readers With and Without Oral Language Delay

Published online by Cambridge University Press:  01 May 1999

Steve M. Heath ,
John H. Hogben  and
Craig D. Clark
Steve M. Heath
Affiliation:
The University of Western Australia, Nedlands, Australia
John H. Hogben
Affiliation:
The University of Western Australia, Nedlands, Australia
Craig D. Clark
Affiliation:
The University of Western Australia, Nedlands, Australia
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Abstract

Inferior auditory temporal processing has been postulated as causally linked to phonological processing deficits in disabled readers with concomitant oral language delay (LDRDs), and absent in specifically disabled readers with normal oral language (SRDs). This investigation compared SRDs, LDRDs and normal readers aged 7–10 years on measures of auditory temporal processing (temporal order judgement) and phonological decoding (nonword reading). LDRDs exhibited deficits in temporal order judgement compared with normal readers, from whom SRDs did not differ significantly. These findings suggest that auditory temporal processing and oral language are related; however, very large within-group variability in the auditory temporal processing data further suggests that this relationship prevails in only a proportion of disabled readers with concomitant oral language weakness. In nonword reading, LDRDs performed worst of all, but SRDs also exhibited significant deficits compared with normal readers. Taken together, our results preclude the conceptualisation of temporal processing deficits as the unitary cause of phonological and language deficits in disabled readers.

Keywords

Auditory temporal processingspecific reading disabilitynonword readinglanguage impairment
Type
Research Article
Information
The Journal of Child Psychology and Psychiatry and Allied Disciplines , Volume 40 , Issue 4 , May 1999 , pp. 637 - 647
Copyright
© 1999 Association for Child Psychology and Psychiatry

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