Opiate antagonists, morphine and spatial memory in rats

  • Beatty W
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Abstract

To assess the possible role of endogenous opioids on spatial memory, rats were administered morphine (1-15 mg/kg), naloxone (1-10 mg/kg), or naltrexone (0.1--10 mg/kg) at varying times after or prior to completing the first 4 choices in an 8 arm radial maze. None of these agents consistently affected retention, suggesting that endogenous opioid systems do not play a major role in modulating neural mechanisms that maintain accurate spatial memory. © 1983.

Author-supplied keywords

  • Morphine
  • Naloxone
  • Naltrexone
  • Opioids and memory
  • Spatial memory
  • Working memory

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Authors

  • William W. Beatty

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