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The corpus callosum in interhemispheric transmission and bilateral synchronization of paroxysmal activity

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Summary

  1. 1.

    After division of the corpus callosum, neither single nor repetitive discharges of a cortical paroxysmal focus created by local poisoning are transmitted from the cortex of one hemisphere to the other.

  2. 2.

    Division of the corpus callosum severely disturbs bilateral synchronization of generalized repetitive paroxysmal discharges produced by intravenous injection of strychnine, whereas synchronization of single spikes remains unaffected.

    Single spikes evoked by intravenous injection of strychnine evidently arise as a result of the arrival of a volley of excitation in the cortex from subcortical structures; repetitive discharges, on the other hand, can be assumed to be after-discharges of cortical cells in response to single volleys of excitation generated by the subcortex.

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Authors and Affiliations

  1. Institute of Physiology, Georgian SSR Academy of Sciences, Tbilisi

    Z. Sh. Kevanishvili, V. M. Mosidze & R. S. Rizhinashvili

Authors
  1. Z. Sh. Kevanishvili
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  2. V. M. Mosidze
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  3. R. S. Rizhinashvili
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Kevanishvili, Z.S., Mosidze, V.M. & Rizhinashvili, R.S. The corpus callosum in interhemispheric transmission and bilateral synchronization of paroxysmal activity. Neurosci Behav Physiol 3, 92–98 (1969). https://doi.org/10.1007/BF01126291

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  • DOI: https://doi.org/10.1007/BF01126291

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