Abstract

It was shown that acoustic and immobilization stresses (developed due to a 2.5-h-long session of intensive, 100 dB, acoustic influence and a 2-h-long session of soft fixation of the body and extremities, respectively) result in significant modifications of the characteristics of background impulse activity of neurons of the nuclei of the rat amygdalar complex. Modifications were greater in the lateral nucleus of the amygdala. Possible roles of some structures of the monoaminergic cerebral systems in acute stress-related transformations of the impulse activity generated by neurons of the amygdalar complex are discussed.

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