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Mechanisms of generation and origin of the electro-olfactogram

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Abstract

The electro-olfactogram (EOG) was compared in frogs with the global olfactory receptor generator potential recorded from the olfactory nerve and it is concluded that the EOG is receptor in nature. Negative waves of the EOG were accompanied by a decrease in resistance of the olfactory epithelium due to an increase in permeability of the receptor membranes to Na+ions, possibly together with other ions. Two types of positive waves are distinguished in the EOG, with different generation mechanisms. The role of Na+ ions in generation of the EOG negative wave was investigated to determine the effect of a sodium-free medium and of ouabain on the receptor potential of the olfactory epithelium.

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Authors and Affiliations

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

    A. V. Minor

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  1. A. V. Minor
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Minor, A.V. Mechanisms of generation and origin of the electro-olfactogram. Neurosci Behav Physiol 5, 169–176 (1972). https://doi.org/10.1007/BF01184626

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