Influence of word class proportion on cerebral asymmetries for high- and low-imagery words |
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Authors: | Chiarello Christine Shears Connie Liu Stella Kacinik Natalie A |
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Affiliation: | Department of Psychology, University of California, Riverside, CA 92521, USA. christine.chiarello@ucr.edu |
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Abstract: | It has been claimed that the typical RVF/LH advantage for word recognition is reduced or eliminated for imageable, as compared to nonimageable, nouns. To determine whether such word-class effects vary depending on the stimulus list context in which the words are presented, we varied the proportion of high- and low-image words presented in a lateralized lexical decision task (0, 25, 50, 75, or 100% high image). Although the RVF/LH advantage for high-image words was unaltered by word-class proportion, a significant linear trend was obtained for the low-image words such that the RVF/LH advantage increased as the proportion of low-image words increased. We discuss the implications of these findings for models of how lexical processing is distributed across hemispheres. |
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