Asin, K E Straight alley acquisition and extinction and open field activity following discrete electrolytic lesions of the mesencephalic raphe nuclei. [electronic resource] - Behavioral and neural biology Feb 1979 - 242-56 p. digital Publication Type: Journal Article ISSN: 0163-1047 Standard No.: 10.1016/s0163-1047(79)90597-1 doi Subjects--Topical Terms: AnimalsBrain MappingBrain Stem--physiologyConditioning, Operant--physiologyDiscrimination Learning--physiologyExploratory Behavior--physiologyExtinction, Psychological--physiologyMaleMesencephalon--physiologyMotor Activity--physiologyRaphe Nuclei--physiologyRatsRetention, Psychology--physiology