Verbal and laterality effects in P-Dyslexic, L-Dyslexic and Normal Children

K. Patel, R. Licht

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Abstract

Lateralization of verbal and affective processes was investigated in P-dyslexic, L-dyslexic and normal children with the aid of a dichotic listening task. The children were asked to detect either the presence of a specific target word or of words spoken in a specific emotional tone of voice. The number of correct responses and reaction time were recorded. For monitoring words, an overall right ear advantage was obtained. However, further tests showed no significant ear advantage for P-types, and a right ear advantage for L-types and controls. For emotions, an overall left ear advantage was obtained that was less robust than the word-effect. The results of the word task are in support of previous findings concerning differences between P- and L-dyslexics in verbal processing according to the balance model of dyslexia. However, dyslexic children do not differ from controls on processing of emotional prosody although certain task variables may have affected this result.
Original languageEnglish
Pages (from-to)157-174
Number of pages18
JournalChild Neuropsychology
Volume6
Issue number3
DOIs
Publication statusPublished - 2000

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