Annals of Dyslexia

, 59:99

How word decoding skill impacts text memory: The centrality deficit and how domain knowledge can compensate



We examined text memory in children with word reading deficits to determine how these difficulties impact representations of text meaning. We show that even though children with poor word decoding recall more central than peripheral information, they show a significantly bigger deficit relative to controls on central than on peripheral information. We call this the centrality deficit and argue that it is the consequence of insufficient cognitive resources for connecting ideas together due to these children’s resources being diverted from comprehension to word decoding. We investigated a possible compensatory mechanism for making these connections. Because a text representation is a synthesis of text information and a reader’s prior knowledge, we hypothesized that having knowledge of the passage topic might reduce or eliminate the centrality deficit. Our results support this knowledge compensation hypothesis: The centrality deficit was evident when poor readers did not have prior knowledge, but was eliminated when they did. This presents an exciting avenue to pursue for possible remediation of reading comprehension in children with word identification difficulties.


Centrality Comprehension Memory for text Prior knowledge Reading disability 


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Copyright information

© The International Dyslexia Association 2009

Authors and Affiliations

  1. 1.Department of PsychologyUniversity of DenverDenverUSA

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