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Characteristics of neuronal responses in the sensorimotor cortex of the cat to monaural and binaural stimulation

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Abstract

The dependence of neuronal responses in the sensorimotor cortex (SMC) of the cat upon localization parameters of dichotically presented auditory signals was studied in acute experiments. Binaural stimulation was more effective than either monaural stimulation. It was shown that spatial-localization parameters of auditory-stimulus source such as interaural differences in intensity and time are reflected by the characteristics of neuronal responses in the SMC; moreover, in 67–88% of cases the most pronounced responses were observed for small, close to zero, temporal and amplitudinal interaural shifts. It was found that SMC neuronal background activity may be altered by signals simulating directed movement of the sound source in the horizontal plane.

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Authors and Affiliations

  1. Department of Physiology of Higher Nervous Activity, A. A. Zhdanov State University, USSR

    G. A. Kulikov & N. N. Bekhterev

  2. Laboratory of Auditory Physiology, I. P. Pavlov Institute of Physiology, Academy of Sciences of the USSR, Leningrad

    G. A. Kulikov & N. N. Bekhterev

Authors
  1. G. A. Kulikov
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  2. N. N. Bekhterev
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Translated from Fiziologicheskii Zhurnal SSSR imeni I. M. Sechenova, Vol. 65, No. 6, pp. 801–811, June, 1979.

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Kulikov, G.A., Bekhterev, N.N. Characteristics of neuronal responses in the sensorimotor cortex of the cat to monaural and binaural stimulation. Neurosci Behav Physiol 11, 463–470 (1981). https://doi.org/10.1007/BF01182799

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  • DOI: https://doi.org/10.1007/BF01182799

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