Abstract
Using a 15-s intershock interval, an increase in shock-induced fighting was observed following intraventricular 96 μg 5,7-dihydroxytryptamine (5,7-DHT) and 90 μg 6-hydroxydopa (6-OHdopa). The incidence of predatory mouse killing was enhanced by 5,7-DHT, but was not affected by 6-OHdopa. Pain sensitivity was increased by 6-OHdopa, but both neurotoxins produced hyperreactivity to footshock. Specific serotonin depletion was produced by 5,7-DHT and norepinephrine depletion by 6-OHdopa. The increase in shock-induced fighting could not be predicted on the basis of monoamine depletion alone, since a long intershock interval was necessary to observe this increase.
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Kantak, K.M., Hegstrand, L.R. & Eichelman, B. Facilitation of shock-induced fighting following intraventricular 5,7-dihydroxytryptamine and 6-hydroxydopa. Psychopharmacology 74, 157–160 (1981). https://doi.org/10.1007/BF00432684
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DOI: https://doi.org/10.1007/BF00432684