Olmstead, M C The development of a conditioned place preference to morphine: effects of lesions of various CNS sites. [electronic resource] - Behavioral neuroscience Dec 1997 - 1313-23 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0735-7044 Standard No.: 10.1037//0735-7044.111.6.1313 doi Subjects--Topical Terms: AnimalsAssociation Learning--physiologyBehavior, Addictive--physiopathologyChoice Behavior--drug effectsConditioning, Psychological--physiologyCuesHippocampus--physiologyMaleMorphine--pharmacologyNarcotics--pharmacologyNeural Pathways--physiologyNeurotoxinsOrientation--drug effectsPeriaqueductal Gray--physiologyRatsRats, Inbred StrainsRewardTegmentum Mesencephali--physiology