[Extinction of the defensive conditioned reflex in cats after lesioning the endopeduncularis nucleus]. / Ugashenie oboronitel'nogo uslovnogo refleksa u koshek posle razrusheniia éntopedunkuliarnogo iadra.

Influence of bilateral destruction of nucleus entopeduncularis on the extinction of conditioned avoidance was studied in 10 adult cats. It was shown that bilateral destruction of the nucleus entopeduncularis led to a disturbance of storage of the previous conditioning and facilitated repeated extinction.