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Evoked potentials of the visual center in lower vertebrates: Genesis and relation to unit activity

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Abstract

The origin and functional role of evoked potentials (EPs) of the tectum mesencephali (TM) were investigated in lower vertebrates, especially the frogRana temporaria L. EPs of TM were shown to reflect the synchronous appearance of postsynaptic potentials of the "first order." The fundamental characteristics of the EPs are determined by temporal dispersion of the afferent volley and localization of the afferent endings. The EPs play the role of a trigger for unit discharges, but the dynamics of intracentral excitatory activity is reflected only very slightly in EPs.

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Authors
  1. Yu. B. Manteifel'
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Additional information

A. N. Severtsov Institute of Evolutionary Morphology and Ecology of Animals, Academy of Sciences of the USSR, Moscow. Translated from Neirofiziologiya, Vol. 2, No. 5, pp. 515–519, September–October, 1970.

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Manteifel', Y.B. Evoked potentials of the visual center in lower vertebrates: Genesis and relation to unit activity. Neurophysiology 2, 388–391 (1970). https://doi.org/10.1007/BF01062804

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  • DOI: https://doi.org/10.1007/BF01062804

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