Naloxone enhancement of memory processes

Effects of other opiate antagonists

Research output: Contribution to journalArticle

Abstract

Previous research has demonstrated that naloxone, an opiate antagonist, facilitates time-dependent memory processes. The present study was undertaken to determine whether the effect of naloxone on memory processes is shared by other opiate antagonists and whether this effect exhibits stereospecificity. The opiate antagonists used included naloxone, naltrexone, deprenorphine, and levallorphan. In addition, stereospecificity was evaluated by the use of dextrallorphan. The results demonstrate that increased retention of passive avoidance conditioning in rats is produced by posttraining administration of each of the opiate antagonists employed in this investigation. In addition, the effect of theopiate antagonist levallorphan was demonstrated to be stereospecific because dextrallorphan did not significantly alter retention. This experiment provides strong support for the interpretation that naloxone facilitates retention of passive avoidance conditioning as a function of its opiate antagonist properties.

Original languageEnglish (US)
Pages (from-to)375-382
Number of pages8
JournalBehavioral and Neural Biology
Volume35
Issue number4
DOIs
StatePublished - 1982
Externally publishedYes

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Opiate Alkaloids
Naloxone
Levallorphan
Naltrexone
Research
Retention (Psychology)

ASJC Scopus subject areas

  • Physiology

Cite this

Naloxone enhancement of memory processes : Effects of other opiate antagonists. / Gallagher, Michela.

In: Behavioral and Neural Biology, Vol. 35, No. 4, 1982, p. 375-382.

Research output: Contribution to journalArticle

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