Codeine-induced memory changes: Nature and relationship to opiate system

  • R. Liljequist
  • Published 1981 in European Journal of Clinical Pharmacology


Learning and recall processes were studied in three experiments with 33 subjects, 1 and 3 h after oral administration of codeine phosphate 25 mg, 50 mg and 100 mg. Recall was measured 3 and 24 h after drug administration. Nine subjects received naloxone i. m. with the 50 mg dose of codeine. Learning and memory were assessed by using associative, serial and… (More)
DOI: 10.1007/BF00607144

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