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What Underlies the Deficit in Rapid Automatized Naming (RAN) in Adults with Dyslexia? Evidence from Eye Movements
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Autores
Orientador(es)
Resumo(s)
This eye-tracking study explored how phonological encoding and speech
production planning for successive words are coordinated in adult readers
with dyslexia (N = 22) and control readers (N = 25) during rapid automatized
naming (RAN). Using an object-RAN task, we orthogonally manipulated the
word-form frequency and phonological neighborhood density of the object
names and assessed the effects on speech and eye movements and their
temporal coordination. In both groups, there was a significant interaction
between word frequency and neighborhood density: shorter fixations for
dense than for sparse neighborhoods were observed for low- but not for
high-frequency words. This finding does not suggest a specific difficulty in
lexical phonological access in dyslexia. However, in readers with dyslexia
only, these lexical effects percolated to the late processing stages, indicated
by longer offset eye-speech lags. We close by discussing potential reasons for
this finding, including suboptimal specification of phonological representations and deficits in attention control or in multi-item coordination.
Descrição
Palavras-chave
Developmental Dyslexia Lexical dynamics Eyetracking
Contexto Educativo
Citação
Araújo, S., Huettig, F., & Meyer, A. (2020). What underlies the deficit in rapid automatized naming (RAN) in adults with dyslexia? Evidence from eye movements. Scientific Studies of Reading, 25(6), 534-549. https://doi.org/10.1080/10888438.2020.1867863
Editora
Taylor & Francis