Dissertation/Thesis Abstract

Relationships among cortical thickness, reading skill, and print exposure in adult readers
by Goldman, Jason G., M.A., University of Southern California, 2009, 39; 1473494
Abstract (Summary)

It is possible that reading experience mediates the relationship between reading skill and cortical thickness. Print exposure, a measure of reading experience, accounts for variability in reading skill independently of phonological awareness and decoding skill (e.g. Stanovich & Cunningham, 1992). Several studies have found altered cortical structure in dyslexic readers throughout the posterior section of the reading network. Given the documented relationship between exposure to print and reading sub-skills, including phonological and orthographic processing, it is surprising that the relationship between exposure to print and cortical structure or function has not been explored. This study investigated the associations between cortical thickness in the left hemisphere reading network, reading skill, and print exposure in a sample of adult readers of varying reading skill. The pattern of correlations indicate that individuals with more print exposure, and who are of higher reading skill, had thicker cortices within the left hemisphere reading network.

Indexing (document details)
Advisor: Manis, Franklin R.
Commitee: Farver, JoAnn, Immordino-Yang, Mary Helen
School: University of Southern California
Department: Psychology
School Location: United States -- California
Source: MAI 48/03M, Masters Abstracts International
Subjects: Developmental psychology, Cognitive psychology
Keywords: Brain structure, Cortical thickness, Dyslexia, Exposure to print, Print exposure, Reading
Publication Number: 1473494
ISBN: 978-1-109-56332-0
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