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  • Title: [Negative surface potential shift and neuronal and glial cell response to tetanic stimulation of the surface of the cortex].
    Author: Labakhua TSh, Bekaia GL, Okudzhava VM.
    Journal: Neirofiziologiia; 1982; 14(3):248-53. PubMed ID: 7110436.
    Abstract:
    Intracellular neuronal and glial activity in response to tetanic stimulation of the cortical surface or thalamic nuclei and accompanying cortical surface negative potential shifts were recorded in lightly nembutalized curarized cats. Glial cells responded to such stimulation by slow depolarization which under certain conditions of stimulation was replaced by slow hyperpolarization. Neurons responded by hyperpolarization. No correlations between depolarization and hyperpolarization of glial cells as well as between neuronal hyperpolarization and negative surface potential shifts were shown at simultaneous recordings of such shifts and glial neuronal responses. It is suggested that the negative surface potential shift is of a complex origin and is produced by both glial and neuronal somatic and dendritic responses.
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