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Linguistic processing in children wi...

Keller-Bell, Yolanda Denise.

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Linguistic processing in children with Down syndrome.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Linguistic processing in children with Down syndrome./
Author:	Keller-Bell, Yolanda Denise.
Description:	162 p.
Notes:	Source: Dissertation Abstracts International, Volume: 61-11, Section: B, page: 5836.
Contained By:	Dissertation Abstracts International61-11B.
Subject:	Health Sciences, Speech Pathology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9994884
ISBN:	9780493036588

Linguistic processing in children with Down syndrome.
Keller-Bell, Yolanda Denise.

Linguistic processing in children with Down syndrome. - 162 p.

Source: Dissertation Abstracts International, Volume: 61-11, Section: B, page: 5836.

Thesis (Ph.D.)--The Ohio State University, 2000.

Previous research has documented that syntactic production is impaired in individuals with Down syndrome. However, the cause of this deficit is unknown. This study applied methodologies from research on children with specific language impairment to Down syndrome to examine potential causal factors. Eight children with Down syndrome were compared to two control groups: seven typically developing children were matched for nonverbal cognitive ability and ten typically developing peers matched for mean length of utterance. Three aspects of linguistic processing were examined: phonological working memory, speech perception, and novel morpheme learning.

ISBN: 9780493036588Subjects--Topical Terms:

1018105
Health Sciences, Speech Pathology.

Linguistic processing in children with Down syndrome.
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020 $a 9780493036588
035 $a (UMI)AAI9994884
035 $a AAI9994884
040 $a UMI $c UMI
100 1 $a Keller-Bell, Yolanda Denise. $3 1678975
245 1 0 $a Linguistic processing in children with Down syndrome.
300 $a 162 p.
500 $a Source: Dissertation Abstracts International, Volume: 61-11, Section: B, page: 5836.
500 $a Adviser: Robert A. Fox.
502 $a Thesis (Ph.D.)--The Ohio State University, 2000.
520 $a Previous research has documented that syntactic production is impaired in individuals with Down syndrome. However, the cause of this deficit is unknown. This study applied methodologies from research on children with specific language impairment to Down syndrome to examine potential causal factors. Eight children with Down syndrome were compared to two control groups: seven typically developing children were matched for nonverbal cognitive ability and ten typically developing peers matched for mean length of utterance. Three aspects of linguistic processing were examined: phonological working memory, speech perception, and novel morpheme learning.
520 $a A nonword repetition task was used to measure phonological working memory. The ability of the participants to acquire and produce novel morphemes was studied. The children were exposed to novel bound morphemes that were affixed to familiar stems. Comprehension, production, and generalization probes were administered to measure learning. A discrimination task was used to assess speech perception abilities of the children with Down syndrome and the mental-age matches. Synthesized speech stimuli were presented in a two cue alternate forced choice paradigm via a computer program.
520 $a The results of this study revealed that children with Down syndrome exhibited poor phonological working memory, as measured by nonword repetition, when compared to mental-age and language-matched children. The children with Down syndrome repeated nonwords less accurately than each control group at every syllable length. On the novel morpheme learning tasks, the children with Down syndrome performed significantly worse than mental-age matches and the MLU-controls across all novel morpheme tasks.
520 $a The children with Down syndrome performed differently than the children matched for nonverbal cognition on the speech perception task. However, since both groups had a high rate of false alarms, the cause of this impairment remains unclear. The implications of these findings and areas for future research are discussed.
590 $a School code: 0168.
650 4 $a Health Sciences, Speech Pathology. $3 1018105
690 $a 0460
710 2 $a The Ohio State University. $3 718944
773 0 $t Dissertation Abstracts International $g 61-11B.
790 1 0 $a Fox, Robert A., $e advisor
790 $a 0168
791 $a Ph.D.
792 $a 2000
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9994884