Evoked Cortical Activity from Auditory Cortex in Anesthetized and Unanesthetized Cats

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Science  16 Jun 1961:
Vol. 133, Issue 3468, pp. 1927-1928
DOI: 10.1126/science.133.3468.1927


Evoked electric responses of the auditory cortex of unanesthetized cats were studied by averaging techniques which enable us to detect responses in high-level background activity without sacrificing bandwidth. The results suggest that previous studies on evoked responses from behaving animals that are based upon ink-written electroencephalographic displays were chiefly concerned with a set of response components that differ from the classical evoked potentials in anesthetized animals.