engleski

Lexical processing of Croatian dyslexic children: an eyetracking study

This pilot study aimed at determining the relative influence of phonological and semantic knowledge on lexical processing of Croatian dyslexic children in terms of their eye movement patterns. For this purpose, we adapted the Reicher-Wheeler task (Wheeler, 1970) to children with dyslexia and manipulated the frequency of letter combinations in words, pseudowords and nonwords. Seven children with dyslexia and six control subjects were first exposed to an item from one of the three conditions and were subsequently asked to select, out of two presented letters, the one that had been seen in a specific position in the previously shown item. Accuracy, reaction time and dwell time were recorded and analyzed. The preliminary results suggest that control participants perform better than children with dyslexia on the three conditions, which is reflected in accuracy (for words and nonwords) and dwell time (for words, pseudowords and nonwords). So far, in spite of these differences, it seems that both groups of children rely more on phonology (i.e., they perform better on words and pseudowords than on nonwords), although this pattern is less clear in the group of children with dyslexia. Further investigation on this matter should include more participants for these preliminary results to be confirmed.

Dyslexia ; Lexical processing ; Reicher-Wheeler task ; Eye movements

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