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Neuronal interaction in the auditory cortex of alert cats

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Abstract

Spontaneous activity of neighboring auditory cortical neurons was derived by glass microelectrodes in chronic experiments on unanesthetized, unimmobilized cats, and the spike trains were subsequently analyzed by computer. Altogether 20 pairs of neurons were tested. The commonest type of interaction (50%) was found to be a common excitatory source, conjectured to be from specific auditory afferents. Interaction of the "common inhibitory source" (5%) and also complex forms of interaction were found. Interaction was absent in only 10% of cases. No direct inhibitory influence of neighboring neurons on one another was observed. The possible causes of absence of a direct inhibitory action are discussed. The most likely cause is absence of marked spontaneous activity in inhibitory auditory cortical neurons.

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Authors
  1. E. Sh. Yanovskii
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  2. V. M. Kienko
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Additional information

A. A. Bogomolets Institute of Physiology, Academy of Sciences of the Ukrainian SSR, Kiev. Translated from Neirofiziologiya, Vol. 16, No. 2, pp. 161–167, March–April, 1984.

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Yanovskii, E.S., Kienko, V.M. Neuronal interaction in the auditory cortex of alert cats. Neurophysiology 16, 132–137 (1984). https://doi.org/10.1007/BF01052303

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  • DOI: https://doi.org/10.1007/BF01052303

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