NDLI: There are Multiple Contributors to the Verbal Short-term Memory Deficit in Children with Developmental Reading Disabilities

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There are Multiple Contributors to the Verbal Short-term Memory Deficit in Children with Developmental Reading Disabilities

Content Provider	PubMed Central
Author	Kibby, Michelle Y.
Abstract	Prior research has put forth at least four possible contributors to the verbal short-term memory (VSTM) deficit in children with developmental reading disabilities (RD): poor phonological awareness which affects phonological coding into VSTM, a less effective phonological store, slow articulation rate, and fewer/poorer quality long-term memory (LTM) representations. This project is among the first to test the four suppositions in one study. Participants included 18 children with RD and 18 controls. VSTM was assessed using Baddeley’s model of the phonological loop. Findings suggest all four suppositions are correct, depending upon the type of material utilized. Children with RD performed comparably to controls in VSTM for common words but worse for less frequent words and nonwords. Furthermore, only articulation rate predicted VSTM for common words, whereas Verbal IQ and articulation rate predicted VSTM for less frequent words, and phonological awareness and articulation rate predicted VSTM for nonwords. Overall, findings suggest that the mechanism(s) used to code and store items by their meaning is intact in RD, and the deficit in VSTM for less frequent words may be a result of fewer/poorer quality LTM representations for these words. In contrast, phonological awareness and the phonological store are impaired, affecting VSTM for items that are coded phonetically. Slow articulation rate likely affects VSTM for most material when present. When assessing reading performance, VSTM predicted decoding skill but not word identification after controlling Verbal IQ and phonological awareness. Thus, VSTM likely contributes to reading ability when words are novel and must be decoded.
Related Links	http://dx.doi.org/10.1080/09297040902748218
Ending Page	506
Page Count	22
Starting Page	485
File Format	PDF
ISSN	09297049
e-ISSN	17444136
Journal	Child neuropsychology : a journal on normal and abnormal development in childhood and adolescence
Issue Number	5
Volume Number	15
Language	English
Publisher Date	2009-08-24
Access Restriction	Open
Subject Keyword	Pediatrics, Perinatology, and Child Health Developmental and Educational Psychology Neuropsychology and Physiological Psychology Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Developmental and Educational Psychology Neuropsychology and Physiological Psychology Pediatrics, Perinatology and Child Health

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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