It is well established that learning and memory are central to substance dependence. This paper specifically reviews the effect of opioid withdrawal on memory consolidation. Although there is evidence that opioid withdrawal can interfere with initial acquisition and retrieval of older memories, there are several reasons to postulate a facilitatory action on the consolidation of newly acquired memories. In fact, there is substantial evidence that memory consolidation is facilitated by the release of stress hormones, that it requires the activation of the amygdala, central noradrenergic and cholinergic pathways, and that it involves long-term potentiation. This review highlights evidence that very similar neurobiological processes are activated during opioid withdrawal, and summarizes the results of a study which found that naltrexone-precipitated withdrawal enhanced consolidation of object memory in morphine-maintained rats. From this neurocognitive perspective, therefore, opioid use may escalate during the addiction cycle in part because memories of stimuli and actions experienced during withdrawal are strengthened.
Opioid withdrawal and memory consolidation.
Nana Baidoo,Michael Wolter,F. Leri
Published 2020 in Neuroscience and Biobehavioral Reviews
ABSTRACT
PUBLICATION RECORD
- Publication year
2020
- Venue
Neuroscience and Biobehavioral Reviews
- Publication date
2020-04-12
- Fields of study
Medicine, Psychology
- Identifiers
- External record
- Source metadata
Semantic Scholar, PubMed
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