Summary
Thirty-two rats were first trained to emit a stable baseline of nondiscriminated avoidance behavior. They were then treated with d-amphetamine. Relative and absolute increments in response rates induced by the drug were significantly correlated with baseline shock rates, but not with baseline response rates.
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Weissman, A. Correlation between baseline nondiscriminated avoidance behavior in rats and amphetamine-induced stimulation. Psychopharmacologia 4, 294–297 (1963). https://doi.org/10.1007/BF00408184
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DOI: https://doi.org/10.1007/BF00408184