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P-CENTER PERCEPTION IN CHILDREN WITH DEVELOPMENTAL DYSLEXIA:
DO LOW LEVEL AUDITORY DEFICITS UNDERLIE READING, SPELLING, AND
LANGUAGE IMPAIRMENTS
by
Rachel Lynette Beattie
A Thesis Presented to the
FACULTY OF THE GRADUATE SCHOOL
UNIVERSITY OF SOUTHERN CALIFORNIA
In Partial Fulfillment of the
Requirements for the Degree
MASTER OF ARTS
(PSYCHOLOGY)
December 2008
Copyright 2008 Rachel Lynette Beattie
Object Description
| Title | P-center perception in children with developmental dyslexia: do low level auditory deficits underlie reading, spelling, and language impairments? |
| Author | Beattie, Rachel Lynette |
| Author email | rachel.beattie@gmail.com; beattie@usc.edu |
| Degree | Master of Arts |
| Document type | Thesis |
| Degree program | Psychology |
| School | College of Letters, Arts and Sciences |
| Date defended/completed | 2008-10-05 |
| Date submitted | 2008 |
| Restricted until | Unrestricted |
| Date published | 2008-10-31 |
| Advisor (committee chair) | Manis, Frank |
| Advisor (committee member) |
Farver, JoAnn Lu, Zhong-Lin |
| Abstract | A recent theory proposed by Goswami et al (2002), dubbed the P-Center hypothesis, posits that the characteristic cognitive and behavioral patterns observed in developmental dyslexia are a result of low-level auditory impairments. Previous studies have found that children with developmental dyslexia perform worse on P-center perception tasks when compared to chronological age matched controls, younger reading level controls have intermediate thresholds, and this deficit has also been observed in children with specific language impairment. The current study found similar trends in children aged between 7-16, in that children with dyslexia and dyslexia with additional language difficulties had less sensitive mean thresholds on the P-center perception tasks than chronological age matched controls. If these trends persist, then more ecologically valid stimuli and more sophisticated methods should be used to explore the P-center deficit in children with developmental dyslexia. |
| Keyword | developmental dyslexia; auditory deficit; P-center; rise time |
| Language | English |
| Part of collection | University of Southern California dissertations and theses |
| Publisher (of the original version) | University of Southern California |
| Place of publication (of the original version) | Los Angeles, California |
| Publisher (of the digital version) | University of Southern California. Libraries |
| Provenance | Electronically uploaded by the author |
| Type | texts |
| Legacy record ID | usctheses-m1737 |
| Rights | Beattie, Rachel Lynette |
| Repository name | Libraries, University of Southern California |
| Repository address | Los Angeles, California |
| Repository email | http://www.usc.edu/isd/libraries/services/ask_a_librarian/email/ |
| Filename | etd-Beattie-2463 |
| Archival file | uscthesesreloadpub_Volume44/etd-Beattie-2463.pdf |
Description
| Title | Page 1 |
| Full text | P-CENTER PERCEPTION IN CHILDREN WITH DEVELOPMENTAL DYSLEXIA: DO LOW LEVEL AUDITORY DEFICITS UNDERLIE READING, SPELLING, AND LANGUAGE IMPAIRMENTS by Rachel Lynette Beattie A Thesis Presented to the FACULTY OF THE GRADUATE SCHOOL UNIVERSITY OF SOUTHERN CALIFORNIA In Partial Fulfillment of the Requirements for the Degree MASTER OF ARTS (PSYCHOLOGY) December 2008 Copyright 2008 Rachel Lynette Beattie |
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