Abstract

Effects of uni- and bilateral electrolytic destruction of the basolateral nuclei of the amygdalar complex on the main parameters of fast food-procuring movements of albino rats were studied in the course of rearrangement of the motor programs; modifications of the parameters were observed both throughout the entire experiment and within each experimental day. The accuracy of the movements was significantly modified, which was manifested in an increase in the number of trials necessary for successful food capturing. An increase in the duration and a decrease in the frequency of the movements were also observed. The studied parameters underwent no complete recovery even on the tenth experimental day. Thus, the basolateral nuclei of the amygdalar complex occupy an important position in the system responsible for rearrangement of motivated automatized movements; when these nuclei are Injured, their function cannot be completely compensated by other brain structures.

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