Ellis, M E Manipulation of the amygdala noradrenergic system impairs extinction of passive avoidance. [electronic resource] - Brain research Dec 1984 - 129-33 p. digital Publication Type: Journal Article ISSN: 0006-8993 Standard No.: 10.1016/0006-8993(84)90629-2 doi Subjects--Topical Terms: Amygdala--physiologyAnimalsAvoidance Learning--physiologyBrain MappingExtinction, Psychological--physiologyMaleNorepinephrine--physiologyRats