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Brain Cogn. 1992 Nov;20(2):399-408.

Hemispheric specialization for word classes with visual presentations and lexical decision task.

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Department of Psychobiology, School of Psychology, University of La Laguna, Tenerife, Canary Islands, Spain.


In the present paper we study the possible RH capabilities for the processing of adjectives and verbs of high frequency and medium imagery using a lexical decision task and a horizontal display. In the analysis of both RTs and mean errors, a RVF advantage is obtained. The interaction VF x Word Class did not reach significance. Therefore, we did not find evidence of differences in the visual-field effect for any syntactic class. These results support a LH superiority for the processing of both adjectives and verbs. For the nonword conditions (pseudoverbs and pseudoadjectives), no visual field differences were observed in either group. Methodological aspects are also discussed.

[Indexed for MEDLINE]

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