PT  - JOURNAL ARTICLE
AU  - R. J. Wurtman
AU  - M. M. Frank
AU  - W. H. Morse
AU  - P. B. Dews
TI  - STUDIES ON BEHAVIOR. V. ACTIONS OF <em>l</em>-EPINEPHRINE AND RELATED COMPOUNDS
DP  - 1959 Dec 01
TA  - Journal of Pharmacology and Experimental Therapeutics
PG  - 281--287
VI  - 127
IP  - 4
4099  - http://jpet.aspetjournals.org/content/127/4/281.short
4100  - http://jpet.aspetjournals.org/content/127/4/281.full
SO  - J Pharmacol Exp Ther1959 Dec 01; 127
AB  - The output of behavior of pigeons working on a fixed-interval schedule of positive reinforcement is reduced by intramuscular doses of 30 to 100 µg of l-epinephrine. Larger doses were required to suppress behavior on a small fixedratio schedule. The potency of l-norepinephrine in suppressing behavior was about one-third, and the potencies of d-epinephrine and d-norepinephrine about onetenth, that of l-epinephrine. The suppressing action of l-epinephrine was greatly reduced by phenoxybenzamine.