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Changes in the functional relationships between close and distant neurons of the cat motor cortex during electrodefensive conditioning

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Conclusions

  1. 1.

    During the process of elaborating an electrodefensive reflex, dynamic reorganizations of the functional interneuronal connections within microareas and between microareas of the motor cortex were observed.

  2. 2.

    An increase in the number of functional connections was observed for the stable conditioned reflex. The increase was more significant between neurons in distant microareas.

  3. 3.

    During the process of elaborating the reflex, one and the same neuron can retain its networking properties within a microarea and between microareas of the motor cortex.

  4. 4.

    The different degrees of alteration of the functional connections for a stable reflex between neurons of a single microarea and between neurons of different microareas indicates the existence of two levels of integration during training.

  5. 5.

    During the extinction of the reflex, the number of functional interneuronal connections decreases. During recovery of the reflex, the number of functional interneuronal connections increases.

  6. 6.

    The reorganizations of the functional interneuronal connections do not show a clear correlation with changes in the average frequencies of the impulsations of these neurons.

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Authors and Affiliations

  1. Institute of Higher Nervous Activity and Neurophysiology, Academy of Sciences of the USSR, Moscow

    A. G. Galashina & A. V. Bogdanov

Authors
  1. A. G. Galashina
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  2. A. V. Bogdanov
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Translated from Zhurnal Vysshei Nervnoi Deyatel'nosti imeni I. P. Pavlova, Vol. 34, No. 3, pp. 487–494, May–June, 1984.

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Galashina, A.G., Bogdanov, A.V. Changes in the functional relationships between close and distant neurons of the cat motor cortex during electrodefensive conditioning. Neurosci Behav Physiol 16, 139–146 (1986). https://doi.org/10.1007/BF01186513

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  • DOI: https://doi.org/10.1007/BF01186513

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