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Language acquisition after the critical period : a case study of an adolescent with an intellectual disorder

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Language acquisition after the critical period : a case study of an adolescent with an intellectual disorder

Goffredo, Marisa (1999) Language acquisition after the critical period : a case study of an adolescent with an intellectual disorder. Masters thesis, Concordia University.

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Abstract

A 15-year-old adolescent with an intellectual disorder received intensive parent-implemented cognitive-behavioral treatment (Zelazo et al., 1984) designed to elicit expressive language skills. The results indicate the acquisition of imitative and spontaneous words and word approximations, and the acquisition of spontaneously generated two- and three-word approximation phrases with correct word order. Finally, increased attention, impulse control, language comprehension, and attention to and compliance with verbal instructions were evident during the post-treatment conventional assessment. The findings suggest the beginning of the use of verbal communication in an adolescent beyond the critical period for language acquisition and the acquisition of the prerequisites necessary for success on conventional tests of mental development. The usefulness of the notion of a critical period for language acquisition is discussed.

Divisions:Concordia University > Faculty of Arts and Science > Education
Item Type:Thesis (Masters)
Authors:Goffredo, Marisa
Pagination:x, 139 leaves ; 29 cm.
Institution:Concordia University
Degree Name:Theses (M.A.)
Program:Dept. of Education
Date:1999
Thesis Supervisor(s):D'Amico, Miranda
ID Code:834
Deposited By:Concordia University Libraries
Deposited On:27 Aug 2009 13:14
Last Modified:08 Dec 2010 10:17
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