Vocal-manual trade-offs in hemispheric sharing of human performance control |
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Authors: | Hicks R E Bradshaw G J Kinsbourne M |
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Institution: | Department of Psychology, State University of New York at Albany, NY 12222, USA. |
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Abstract: | Experiment 1 established the linear ordering of performance and rated difficulty of three finger-sequencing tasks. Experiment 2 embedded these tasks within a dual-task paradigm employing vocalization of words and nonwords as concurrent activities. Concurrent vocal activity interfered with right-more than with left handed performance, and this lateralized interference effect increased monotonically with increased sequence difficulty. Results are discussed in terms of hemispheric sharing of dual task performance control. |
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