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ERIC Number: EJ821880
Record Type: Journal
Publication Date: 2009
Pages: 10
Abstractor: As Provided
Reference Count: N/A
ISSN: ISSN-0891-4222
Linguistic Lateralization in Adolescents with Down Syndrome Revealed by a Dichotic Monitoring Test
Shoji, Hiroaki; Koizumi, Natsuko; Ozaki, Hisaki
Research in Developmental Disabilities: A Multidisciplinary Journal, v30 n2 p219-228 Mar-Apr 2009
Linguistic lateralization in 10 adolescents with Down syndrome (average age: 15.7 years), 15 adolescents with intellectual disabilities of unknown etiology (average age: 17.8 years), 2 groups of children without disabilities (11 children, average age: 4.7 years; 10 children, average age: 8.5 years), and 14 adolescents without disabilities (average age: 18.7 years) was examined, using a dichotic monitoring test (DMT). Different Japanese words with 2 consonant-vowel syllables were presented to each ear simultaneously. Participants pressed a button when they heard the target word. The younger children without disabilities and the adolescents with intellectual disabilities exhibited a right-ear advantage, whereas the adolescents with Down syndrome showed the reverse pattern, i.e., a left-ear advantage. These results suggest that there is atypical linguistic lateralization in adolescents with Down syndrome. (Contains 2 tables and 3 figures.)
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Location: Japan