
pmid: 9845977
Brain activity among 15 male, college-level, normal readers in Israel was examined during phonological and orthographic word-recognition tasks. Both electrophysiological (event-related potentials, or ERPs) and behavioral measures were obtained. Data indicated that (a) behavioral accuracy was almost perfect for all the experimental tasks, and (b) although P200 and N400 ERP components were elicited in the experimental tasks, the latencies of those components were significantly longer and their amplitudes significantly higher in the phonological task. Variations in vowel information had no effect on word recognition in either type of task. The results suggest that among skilled readers of Hebrew, phonological processing during word recognition may be more effortful and may demand greater cognitive resources than orthographic processing. Furthermore, the additional phonological information represented in vowels appears to contribute little to word recognition in this population. These findings support earlier research on skilled reading in Hebrew as well as current theoretical models of reading.
Adult, Cerebral Cortex, Male, Brain Mapping, Adolescent, Electroencephalography, Signal Processing, Computer-Assisted, Verbal Learning, Paired-Associate Learning, Reading, Mental Recall, Reaction Time, Speech Perception, Humans, Female, Israel, Evoked Potentials, Language
Adult, Cerebral Cortex, Male, Brain Mapping, Adolescent, Electroencephalography, Signal Processing, Computer-Assisted, Verbal Learning, Paired-Associate Learning, Reading, Mental Recall, Reaction Time, Speech Perception, Humans, Female, Israel, Evoked Potentials, Language
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