Differential Cerebral Processing of Noise and Verbal Stimuli

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Science  07 May 1971:
Vol. 172, Issue 3983, pp. 599-601
DOI: 10.1126/science.172.3983.599


Psychophysiological measurements have indicated that the right cerebral hemisphere processes noises and other nonverbal data and that the left cerebral hemisphere processes verbal material. Direct physiological measurements, as expressed in summated auditory evoked cortical responses, unequivocally demonstrate that click noises show a greater amplitude of initial output over the right brain, and that verbal stimuli produce either equal or higher amplitudes of output over the left cerebral hemisphere.