PubMed · 489264
Opiate stimulation increases exploration in the mouse.
Abstract
Adult male Swiss-Webster mice were injected with a low dose of morphine sulfate or vehicle and placed in an apparatus which allowed the assessment of exploratory behavior. Two measures of exploration (rearing, nose poking) were recorded during a single brief exposure. Both exploratory behaviors increased after drug treatment. This suggests opiate involvement in behavioral arousal, and more specifically, in exploratory behavior.
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R J Katz. 1979. Opiate stimulation increases exploration in the mouse.. https://doi.org/10.3109/00207457909147676
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