Chapter

DEFICIENT ANCHORING—A POTENTIAL LINK BETWEEN PERCEPTUAL AND COGNITIVE DIFFICULTIES AMONG INDIVIDUALS WITH DYSLEXIA

Karen Banai and Merav Ahissar

in Cognitive Neuroscience, Development, and Psychopathology

Published in print August 2012 | ISBN: 9780195315455
Published online September 2012 | e-ISBN: 9780199979066 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780195315455.003.0006
DEFICIENT ANCHORING—A POTENTIAL LINK BETWEEN PERCEPTUAL AND COGNITIVE DIFFICULTIES AMONG INDIVIDUALS WITH DYSLEXIA

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Different theoretical accounts of dyslexia have been proposed over the years, but none of the available accounts satisfactorily deals with the co-occurrence of perceptual deficits in many individuals with dyslexia. This chapter presents the anchoring deficit hypothesis as a unifying, domain-general account for both reading-related and perceptual deficits. After reviewing the research leading to the formulation of the hypothesis, the chapter proposes that deficits in the ability to implicitly use contextual information embedded within stimulus sequences can account for deficits in both the language and the perceptual domains. Subsequently, the putative relationships between anchoring and other cognitive characteristics of dyslexia (e.g., poor resilience to noise, phonological deficits, “sluggish” attention, sensory-motor deficits) are explored. Finally, anchoring is discussed within a framework emphasizing the heterogeneous nature of dyslexia.

Keywords: dyslexia; anchoring; noise resilience; phonological deficits; sluggish attention; sensory-motor deficits

Chapter.  8060 words.  Illustrated.

Subjects: Cognitive Psychology

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