State dependent and/or direct memory retrieval by morphine in mice

Effect of naloxone and morphine on various forms of memory in the rat: Possible role of endogenous opiate mechanisms in memory consolidation

Iván Izquierdo · Psychopharmacology · 1979 · 267 citations

Medicine, Neuroscience, Pharmacology +14

Manipulation of opiate activity in the amygdala alters memory processes

Michela Gallagher, Bruce S. Kapp · Life Sciences · 1978 · 221 citations

Life Sciences, Neurobiology, Neuroscience +13

Naloxone enhancement of memory

Rita B. Messing, Robert A. Jensen, Joe L. Martinez et al. · Behavioral and Neural Biology · 1979 · 210 citations

Medicine, Pharmacology, Psychology +10

Effect of ?-Endorphin and naloxone on acquisition, memory, and retrieval of shuttle avoidance and habituation learning in rats

Iván Izquierdo · Psychopharmacology · 1980 · 144 citations

Social Sciences, Neuroscience, Pharmacology +12

Enkephalins interfere with acquisition of an active avoidance response

Henk Rigter, Tracy J. Hanna, Rita B. Messing et al. · Life Sciences · 1980 · 82 citations

Life Sciences, Neurobiology, Neuroscience +9