Abstract
INTRAPERITONEAL injections of catecholamines produce a marked depression of the psychomotor activity of mice, accompanied by vegetative phenomena, such as tachycardia, exophthalmos and pilo-erection. These vegetative phenomena are, however, independent of the psychomotor depression, for they can be suppressed by phentolamine (‘Regitin R’), an adrenergic blocking agent, without modifying the depressed behaviour. Furthermore, isopropylarterenol produced, in higher doses, a similar psychomotor depression, without vegetative symptoms1.
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References
Fischer, E., and Amalfara, M. Lopez., Nature, 193, 590 (1962).
Rothballer, A. B., Pharmacol. Rev., 11, 794 (1959).
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FISCHER, E., LUDMER, R. & KRUGLIKOFF, S. Effect of Methylamphetamine on the Psychomotor Depression produced by Adrenaline in Mice. Nature 204, 695–696 (1964). https://doi.org/10.1038/204695a0
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DOI: https://doi.org/10.1038/204695a0
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