Abstract：
:Hemisphere specialization for language was studied in 10 children with expressive developmental dysphasia (DD) (mean age 10 years 4 months) submitted to a dichotic listening task (in a word free-recall task and forced-attention task) and a finger tapping/vocalization dual-task paradigm. A nonsense shape dichaptic task was also introduced to control right hemispheric processing. Performances of dysphasic children were compared to those obtained from 15 normal children. The results showed that controls had a right ear advantage in free-recall (words) dichotic listening task and a significant right ear advantage in forced-right-attention task, with a change in ear asymmetry as a consequence of instruction. In the dysphasic group we observed a significant right ear advantage in the free-recall dichotic listening task and no change in ear asymmetry during forced right or forced left condition. Results in time sharing paradigm and nonsense dichaptic task are more difficult to interpret, because there was no interaction between group and condition. These results cannot support a complete left hemisphere dysfunction in developmental dysphasia.
journal_name
Neuropsychologiajournal_title
Neuropsychologiaauthors
Duvelleroy-Hommet C,Gillet P,Billard C,Loisel ML,Barthez MA,Santini JJ,Autret Adoi
10.1016/0028-3932(95)00020-4subject
Has Abstractpub_date
1995-07-01 00:00:00pages
823-34issue
7eissn
0028-3932issn
1873-3514pii
0028-3932(95)00020-4journal_volume
33pub_type
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