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  • Title: [The bilateral interaction of the hypothalamus, amygdala and neocortex at different stages in conditioned reflex acquisition].
    Author: Vanetsian GL.
    Journal: Zh Vyssh Nerv Deiat Im I P Pavlova; 1993; 43(5):889-98. PubMed ID: 8249463.
    Abstract:
    By averaged evoked potentials of the symmetric points of the cat's auditory cortex (Al), hypothalamus (Hl) and amygdala (Abl) in response to a sound was determined the character of the two-way interaction (Spearman coefficient of correlation) between the structures before and at different stages of instrumental food-procuring conditioning. Individual character of co-tuning of Al, Hl, and Abl as well as the emotional state connected with adaptation of an animal were found to be reflected in the correlation of evoked activity of the structures. Conditioning led to a formation of close interconnections between the structures eliminating individual peculiarities of correlation. Stabilization of the response was accompanied by a weakening of the interconnections between the cortex and the subcortical structures, internal symmetrical co-tuning of Al, Hl and Abl being unchanged.
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