Electronarcosis and Evoked Cortical Responses

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Science  23 Aug 1963:
Vol. 141, Issue 3582, pp. 733-735
DOI: 10.1126/science.141.3582.733-a


Evoked response data and electrocorticograms were recorded in macaque monkeys under the influence of electronarcosis currents sufficient to render the animals unresponsive to peripheral nerve stimulation. The data were obtained from chronically implanted electrodes in the sensory cortex as well as depth electrodes directed to thalamic and reticular loci. At the levels of current used, the amplitude characteristics of the evoked response data were not appreciably modified.