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Unitary responses of the hypothalamic nuclei to stimulation of the frontobasal neocortex

Neurophysiology volume 10, pages 33–40 (1978)Cite this article

Abstract

Unitary responses in the hypothalamic nuclei to stimulation of the frontobasal zones of the cortex (proreal, orbito-insular, and basal temporal regions) were studied. Cortico-thalamic connections were found to possess definite topical organization: the orbito-frontal zones of the cortex have a more marked effect on unit activity of the hypothalamic nuclei than the basal temporal cortex. Antidromic activation, during stimulation of a particular region of the cortex, of neurons excited orthodromically by stimulation of another cortical structure, enables a number of neuronal circuits functioning within the forebrain to be distinguished. The first circuit includes the orbital gyrus, preoptic zone, and proreal gyrus. The second circuit has the same cortical components as the first, but its relay in the hypothalamus takes place in the region of the mamillary bodies. The third circuit is represented by the basal temporal cortex, lateral hypothalamus, and prefrontal cortex.

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Authors
  1. V. N. Kazakov
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  2. P. Ya. Kravtsov
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Additional information

M. Gor'kii Donetsk Medical Institute. Translated from Neirofiziologiya, Vol. 10, No. 1, pp. 44–53, January–February, 1978.

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Kazakov, V.N., Kravtsov, P.Y. Unitary responses of the hypothalamic nuclei to stimulation of the frontobasal neocortex. Neurophysiology 10, 33–40 (1978). https://doi.org/10.1007/BF01063345

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  • DOI: https://doi.org/10.1007/BF01063345

Keywords

  • Prefrontal Cortex
  • Temporal Region
  • Marked Effect
  • Unit Activity
  • Temporal Cortex