Specificity of hippocampal field CA3 neuronal responses to repetitive single stimuli

It has been shown on alert rabbits that responses of field CA3 units to stimuli eliciting (single tones) and not eliciting (single flashes) an activation reaction are substantially different. 75% of units responsive to a flash exhibited: less pronounced tonic extinctive responses, stable structurize...

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Bibliographic Details
Published in:	Zurnal vyss̆ej nervnoj dejatelnosti imeni I P Pavlova Vol. 28; no. 1; p. 149
Main Authors:	Antonova, L V, Dubrovinskaia, N V, Saakian, S A
Format:	Journal Article
Language:	Russian
Published:	Russia (Federation) 01-01-1978
Subjects:	Acoustic Stimulation - methods Animals Auditory Perception - physiology Cerebral Cortex - physiology Evoked Potentials Extinction, Psychological - physiology Hippocampus - physiology Neurons - physiology Photic Stimulation - methods Rabbits Time Factors Visual Perception - physiology
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Summary:	It has been shown on alert rabbits that responses of field CA3 units to stimuli eliciting (single tones) and not eliciting (single flashes) an activation reaction are substantially different. 75% of units responsive to a flash exhibited: less pronounced tonic extinctive responses, stable structurized phasic reactions and the dynamics of responses in the form of changes in their types. The system of field CA3 units "triggered" by single stimulation is under control of the sensorimotor cortical area. Modulating cortical influences enhance the revealed tendencies of responses of the examined neurones to a single photic stimulus.
ISSN:	0044-4677