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Science 23 September 1977:
Vol. 197. no. 4310, pp. 1295 - 1298
DOI: 10.1126/science.897671
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Articles

Science, Vol 197, Issue 4310, 1295-1298
Copyright © 1977 by American Association for the Advancement of Science

articles

Auditory evoked potentials as probes of hemispheric differences in cognitive processing

DW Shucard, JL Shucard, and DG Thomas

The amplitude of auditory evoked potentials recorded from the cerebral hemispheres to pairs of task-irrelevant tones was related to differential hemispheric engagement in ongoing cognitive activity (for example, verbal versus musical). The hemisphere hypothesized to be most engaged in the ongoing cognitive task, as compared to the unengaged hemisphere, produced a greater potential difference between the temporal and reference electrode to the second of the tone pairs. These findings are related to "fast habituation" and "recovery cycle.".




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Science. ISSN 0036-8075 (print), 1095-9203 (online)