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Sentence processing in language-impaired children under conditions of filtering and time compression

Published online by Cambridge University Press:  28 November 2008

Rachel E. Stark  and
James W. Montgomery
Rachel E. Stark*
Affiliation:
University of North Carolina, Chapel Hill
James W. Montgomery
Affiliation:
University of North Carolina, Chapel Hill
*
Rachel E. Stark, Audiology and Speech Sciences, Purdue University, West Lafayette, IN 47907
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Abstract

Nineteen language-impaired (LI) and 20 language-normal (LN) children participated in an on-line word-monitoring task. Words were presented in lists and in sentences readily comprehended by younger children. The sentences were unaltered, tow-pass filtered, and time- compressed. Both groups had shorter mean response times (MRTs), but lower accuracy, for words in sentences than words in lists. The LI children had significantly longer MRTs under sentence conditions and lower accuracy overall than the LN children. Filtering had an adverse effect upon accuracy and MRT for both subject groups. Time compression did not, suggesting that the reduction in high-frequency information and the rate of presentation exert different effects. Subject differences in attention, as well as in linguistic competence and motor control, may have influenced word-monitoring performance.

Type
Articles
Information
Applied Psycholinguistics , Volume 16 , Issue 2 , April 1995 , pp. 137 - 154
Copyright
Copyright © Cambridge University Press 1995

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