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of 212
pro vyhledávání: '"W.L. Woolverton"'
Autor:
W.L. Woolverton, M.S. Kleven
Publikováno v:
Behavioural Brain Research. 79:101-107
It has been reported that conditions of drug exposure can influence changes in sensitivity to cocaine upon repeated administration. In the present experiment, the behavioral effects of prolonged exposure to continuous or intermittent infusion of coca
Autor:
J.K., Rowlett, W.L., Woolverton
Publikováno v:
Behavioural pharmacology. 6(8)
The effects of cocaine, alone and in combination with either heroin or naltrexone, were examined using a milk drinking procedure in rats. Rats (n=8) were given access to a sweetened milk solution for 15min daily until intake had stabilized (3 days wi
Autor:
M.A., Nader, W.L., Woolverton
Publikováno v:
Behavioural pharmacology. 3(6)
The present experiment was designed to examine the effects of the conditions of food availability on choice between cocaine and food in rhesus monkeys. Monkeys (n = 3), maintained at approximately 90% of their free-feeding weights, were trained in a
Autor:
M.S., Kleven, W.L., Woolverton
Publikováno v:
Behavioural pharmacology. 2(6)
The behavioral effects of continuous infusion of cocaine for prolonged periods were examined in rhesus monkeys responding under fixed-ratio (FR) or fixed-interval (FI) schedules of food presentation. Operant behavior was examined every 6h for 30min (
Publikováno v:
Behavioural pharmacology. 2(6)
Two groups of pigeons were trained to discriminate a histamine H(1)-antagonist (chlorpheniramine or promethazine) from saline with responding maintained under a fixed-ratio 30 schedule of food delivery. There was no cross-substitution with these two
Publikováno v:
Behavioural pharmacology. 2(2)
Rhesus monkeys were trained in a 2-lever, food-reinforced drug discrimination paradigm to discriminate cocaine (0.2 or 0.4mg/kg, i.m., 10min pre-session) from saline. Before test sessions, in which responding on either lever was reinforced, the monke
Publikováno v:
Life sciences. 44(14)
Amendments made to the Animal Welfare Act in 1985 require primate researchers to provide "a physical environment adequate to promote the psychological well-being of primates". Regulations have not yet been promulgated, in part because "the psychologi
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