Hemispheric specialization for reading |
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Authors: | Waldie K E Mosley J L |
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Institution: | Department of Preventive and Social Medicine, University of Otago, Dunedin, New Zealand. kwaldie@gandalf.otago.ac.nz |
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Abstract: | Behavioral laterality tasks with linguistic stimuli were used to assess the differential processing efficiencies of the cerebral hemispheres in right- and left-handed adults. Findings from a lateralized lexical decision task with concrete nouns supported Zaidel's (1983) "direct access" model of hemispheric functioning. A dual task consisting of oral and silent reading indicated that the right hand was significantly more disrupted than the left during unimanual finger tapping; however, some bilateral interference was observed. Taken together the findings suggest that although the left hemisphere was relatively more efficient, the right hemisphere was dynamically involved in the reading process. |
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