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The Role Of Word Knowledge In Error Detection: A Challenge To The Broken-Error-Monitor Account Of Dyslexia, Lindsay N. Harris, Benjamin Creed, Charles A. Perfetti, Benjamin Rickles
The Role Of Word Knowledge In Error Detection: A Challenge To The Broken-Error-Monitor Account Of Dyslexia, Lindsay N. Harris, Benjamin Creed, Charles A. Perfetti, Benjamin Rickles
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Dyslexic children often fail to correct errors while reading aloud, and dyslexic adolescents and adults exhibit lower amplitudes of the error-related negativity (ERN)—the neural response to errors—than typical readers during silent reading. Past researchers therefore suggested that dyslexia may arise from a faulty error-detection mechanism that interferes with orthographic learning and text comprehension. An alternative possibility is that comprehension difficulty in dyslexics is primarily a downstream effect of low-quality lexical representations—that is, poor word knowledge. On this view the attenuated ERN in dyslexics is a byproduct, rather than a source, of underdeveloped orthographic knowledge. Because the second view implies a …