According to P.K. Anokhin, the main intermediate centers of the MCP are localized in the cerebral peduncles. A feature of this part of the system is the passage of afferent excitatory pathways from the receptors of internal organs to the nucleus of the XII pair of cranial nerves and its connection with the spinal cord. The arcuate nucleus (lat. nucleus arcuatus) is adjacent directly to the upper oblong nucleus. The resulting track connecting the nuclei of the medial longitudinal fasciculus with the posterior horns III