Evidence for implicit sequence learning in dyslexia

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Kelly, Steve and Griffiths, S. and Frith, U. (2002) Evidence for implicit sequence learning in dyslexia. Dyslexia, 8 (1). pp. 43-52. ISSN 1076-9242 (http://dx.doi.org/10.1002/dys.208)

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Abstract

Nicolson and Fawcett (Cognition 1990; 35: 159-182) have suggested that a deficit in the automatization of skill learning could account for the general impairments found in dyslexia. Much of the evidence for their claims has been collected via a dual task paradigm, which might allow for alternative explanations of the data. The present study examines automatic skill learning in a single task paradigm and extends previous studies by independently examining the contribution of stimulus-based and response-based learning. The task replicates Mayr's (J. Exp. Psychol.: Learning Memory Cognition 1996; 22: 350-364) methodology in the Serial Reaction Time task by exposing participants to two structured displays, simultaneously. Learning is measured by comparing RT to the learned sequence against RT to a random display. This study demonstrates learning for both dyslexic and control groups for a spatial sequence which was observed and a concurrent non-spatial sequence which was responded to via a keypress. Learning of the sequence did not seem to depend on awareness of the sequence structure. These results suggest that automatic skill learning is intact in dyslexic individuals.

ORCID iDs

Kelly, Steve ORCID logoORCID: https://orcid.org/0000-0001-7539-2641, Griffiths, S. and Frith, U.;
CORE (COnnecting REpositories)