Abstract
Effects of morphine administration were investigated on avoidance behavior in five rat strains. Strain-dependent facilitation or suppression of avoidance acquisition was found in animals tested 1 h after the last administration of morphine. Significant strain differences were found in the incidences of sexual stimulation, diarrhea and wetness, reactivity, and death due to toxicity.
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Satinder, K.P. Differential effects of morphine on two-way avoidance in selectively bred rat strains. Psychopharmacology 48, 235–237 (1976). https://doi.org/10.1007/BF00423267
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DOI: https://doi.org/10.1007/BF00423267