Law, J. and Ghesquière, P. (2017) Visual Processing of Derivational Processing and Children With Dyslexia. The International Morphological Processing Conference (MoProc), Trieste, Italy, 22-24 Jun 2017.
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Abstract
Purpose: It is thought that morphological processing (MP) skills of individuals with dyslexia may offer a means of achieving a form of reading compensation. Additionally, it has been suggested that individuals with dyslexia may utilize morphology differently from controls while reading. Yet, debate persists regarding the relative strength of MP of individuals with dyslexia and whether it can be said to be intact. To address these questions, this study examined the processing of derivational morphology and its association with measures of morphological awareness (MA) and literacy outcomes in 30 Dutch speaking high-functioning dyslexics and controls, matched on reading comprehension skills. Method: A masked priming experiment was conducted wherein semantic overlap between morphologically related pairs was manipulated as part of a lexical decision task. Measures of MA were assessed with a sentence completion task, specifically designed for this study. Results: Significant priming effects were found in each group, yet adults with dyslexia were found to benefit more from the morphological structure than controls. Results suggest that MP is intact in high-functioning dyslexics and also a strength compared to controls matched on reading comprehension and age. Furthermore, dyslexics were found to be influenced by both form and meaning properties of morphemes, while controls were mainly influenced by morpho-semantic properties. Moreover, adults with dyslexia were found to perform significantly poorer than controls on MA measures. Morpho-semantic priming effects were found to correlate with the performance on time sensitive literacy measures in adults with dyslexia, a similar pattern was not observed in controls.
| Item Type: | Conference or Workshop Item |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Law, Dr Jeremy |
| Authors: | Law, J., and Ghesquière, P. |
| College/School: | College of Social Sciences > School of Social & Environmental Sustainability |
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