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Science 11 September 1964:
Vol. 145. no. 3637, pp. 1199 - 1200
DOI: 10.1126/science.145.3637.1199
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Articles

Simultaneous Recordings of Scalp and Epidural Somatosensory-Evoked Responses in Man

Edward F. Domino 1, Shigeaki Matsuoka 2, Joseph Waltz 2, and Irving Cooper 2

1 Department of Pharmacology, University of Michigan, Ann Arbor
2 Department of Neurological Surgery, St. Barnabas Hospital for Chronic Diseases, New York

The calvarium and scalp markedly attenuate the amplitude, but do not alter the latency or frequency, of somatosensory responses evoked by electrical stimulation of the contralateral median nerve in man. With scalp electrodes no significant potentials are obtained that are not also present in the epidural recordings when proper averaging techniques are used. The somatosensory-evoked response recorded with scalp electrodes in man appears to be the result of brain activity.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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Lithium Carbonate and Brain Function: I. Cerebral-Evoked Potentials, EEG, and Symptom Changes During Lithium Carbonate Treatment.
G. R. Heninger (1978)
Arch Gen Psychiatry 35, 228-233
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Evoked Potential Correlates of Auditory Signal Detection.
S. A. Hillyard, K. C. Squires, J. W. Bauer, and P. H. Lindsay (1971)
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Somatomotor and Somatosensory: Median Nerve Stimulation in Man.
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Responses of Human Somatosensory Cortex to Stimuli below Threshold for Conscious Sensation.
B. Libet, W. W. Alberts, E. W. Wright Jr., and B. Feinstein (1967)
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Averaged Evoked Somatosensory Responses From Exposed Cortex of Man.
D. L. KELLY Jr., S. GOLDRING, and J. L. O'LEARY (1965)
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