Abstract
A behavioral classification and scoring procedure was developed for observing specific responses of squirrel monkeys. The observational procedure along with the photocell method of measuring general activity were then employed to examine the effects of illumination and d-amphetamine on the behavior of squirrel monkeys. It was found that d-amphetamine decreased the incidence of those behaviors seen normally under light conditions while it increased the frequency of behaviours normally seen in the dark.
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Lowther, W.R., Isaac, W. The effects of d-amphetamine and illumination on behaviors of the squirrel monkey. Psychopharmacology 50, 231–235 (1976). https://doi.org/10.1007/BF00426837
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DOI: https://doi.org/10.1007/BF00426837