Abstract
Normal saline-injected rats were tested repeatedly on a standard catalepsy test. With repeated testing the animals showed a progressive increase in their catalepsy scores. It is suggested that this behaviour may be a form of tonic immobility and should be controlled for in catalepsy experiments.
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Sanberg, P.R., Pisa, M., Faulks, I.J. et al. Experiential influences on catalepsy. Psychopharmacology 69, 225–226 (1980). https://doi.org/10.1007/BF00427655
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DOI: https://doi.org/10.1007/BF00427655