Organization of a program of automatized food-procuring movement in rats

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Abstract

With the use of techniques of video- and photorecording, local destruction of the brain structures, and recording of the spike responses, roles of the suprasegmental brain structures in organization and control of automatized food-procuring movements were studied in rats under conditions of unrestrained behavior. It is shown that there are several neuronal populations in the prefrontal cortex related to programing, initiation, and current control of the efficacy of performance of food-procuring movements. The lateral hypothalamus is considered a motivational structure. It acts as the source providing an increase in the excitability and further support of the excitation level in the structures, which are links of the systems controlling food-procuring movements. The lateral hypothalamus is also involved in a system providing formation and final application of motor programs.

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