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Abstract
The activity level of the error monitoring system for processing isolated versus contextual words in Hebrew was studied in adults with dyslexia and skilled readers while committing reading errors. Behavioural measures and event‐related potentials were measured during a lexical decision task using words in a list and sentences. Error‐related negativity (ERN/Ne) potentials following reading errors and correct‐related negativity for correct responses were detected in all conditions and participants. However, ERN/Ne amplitudes were smaller for those with dyslexia than for the skilled readers, and for reading sentences than for words in a list. These results support previous findings of lower activation of the error detection mechanism among dyslexics, and point to different activity levels for words and sentences. A theory on the underlying factors of dyslexia is proposed.
Acknowledgement
This study was supported by grant number 02 from the Edmond J. Safra Philanthropic Foundation. The Safra Foundation has no financial conflicts of interest such as direct or indirect financial benefits. No restrictions have been imposed on free access to, or publication of, the research data.