Cerebral specialization in young adults with Down syndrome

Elliott, D.; Edwards, J.M.; Weeks, D.J.; Lindley, S.; Carnahan, H.

American Journal of Mental Deficiency 91(5): 480-485

1987


ISSN/ISBN: 0002-9351
PMID: 2952011
Document Number: 303430
Adults with and without Down syndrome performed a rapid unimanual finger-tapping task alone and while sound-shadowing high frequency works. For male subjects, the concurrent speech disrupted right-hand, but not left-hand performance. Females suffered finger-tapping decrements in both hands in the dual-task situation. These results provide no evidence for reverse (right hemisphere) lateralization of speech in individuals with Down syndrome.

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