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ERIC Number: EJ787454
Record Type: Journal
Publication Date: 2008-Apr
Pages: 10
Abstractor: Author
Reference Count: 0
ISSN: ISSN-0278-2626
Hemispheric Lateralization of Bilaterally Presented Homologous Visual and Auditory Stimuli in Normal Adults, Normal Children, and Children with Central Auditory Dysfunction
Bellis, Teri James; Billiet, Cassie; Ross, Jody
Brain and Cognition, v66 n3 p280-289 Apr 2008
Two experiments were conducted to examine the performance of normal adults, normal children, and children diagnosed with central auditory dysfunction presumed to involve the interhemispheric pathways on a dichotic digits test in common clinical use for the diagnosis of central auditory processing disorder (CAPD) and its corresponding visual analog. Results of the first experiment revealed a significant right ear advantage (REA) for the dichotic listening task and a left-visual-field advantage (LVFA) for the corresponding visual analog in normal adults and children. In the second experiment, results revealed a significantly larger REA in the children with CAPD as compared to the normal children. Results also revealed a reversed cerebral asymmetry (RVFA) for the children with CAPD on the visual task. Significant cross-modal correlations suggest that the two tasks may reflect, at least in part, similar interhemispheric processing mechanisms in children. Findings are discussed in relation to differential diagnosis and modality-specificity of CAPD.
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Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A