K R Powell
Overview
Explore the profile of K R Powell including associated specialties, affiliations and a list of published articles.
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110
Citations
986
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Recent Articles
1.
Powell K, Smith K, Eberly S
Clin Pediatr (Phila)
. 2002 Feb;
40(6):333-6.
PMID: 11824176
This study was undertaken to determine the upper limit of normal ear temperatures, defined as the 95th percentile for infants, children, and adolescents, using the arterial heat balance method for...
2.
Powell K, Iuvone P, Holtzman S
Pharmacol Biochem Behav
. 2001 Jun;
69(1-2):59-70.
PMID: 11420069
Current evidence indicates that the acute locomotor stimulant effects of caffeine involve dopamine (DA) receptor activation; however, few studies have investigated the role of DA receptors in mediating the development...
3.
Powell K, Holtzman S
Drug Alcohol Depend
. 2001 Feb;
62(1):83-90.
PMID: 11173171
Animals repeatedly administered drugs of abuse often become more sensitive to their effects. It has been proposed that this behavioral sensitization may serve as a useful model for changes that...
4.
5.
Powell K, Koppelman L, Holtzman S
Behav Pharmacol
. 2000 Apr;
10(8):707-16.
PMID: 10780285
The hypothesis that low and high doses of caffeine produce effects that are differentially mediated by dopamine (DA) receptor mechanisms was investigated in rats trained to discriminate either 10 or...
6.
McCarthy C, Powell K
Arch Pediatr Adolesc Med
. 2000 Mar;
154(3):315-6.
PMID: 10710038
No abstract available.
7.
Powell K, Holtzman S
Pharmacol Biochem Behav
. 2000 Jan;
65(1):43-51.
PMID: 10638635
It has been reported that the discriminative stimulus effects of cocaine in squirrel monkeys can be potentiated by mu opioid agonists and attenuated by kappa opioid agonists. The purpose of...
8.
Loveys A, Eberly S, Powell K
Clin Pediatr (Phila)
. 1999 Aug;
38(8):463-6.
PMID: 10456241
The purpose of this study was to compare arterial heat balance ear temperature measurements to rectal temperatures in infants and children and to determine the ability of the ear thermometer...
9.
Powell K, Holtzman S
Eur J Pharmacol
. 1999 Aug;
377(1):21-8.
PMID: 10448921
Eight kappa-opioid receptor agonists were examined for their effects in squirrel monkeys responding under a fixed interval 3-min schedule of stimulus termination. Six of these kappa-opioid receptor agonists decreased dose-dependently...
10.
Powell K, Holtzman S
Pharmacol Biochem Behav
. 1998 Feb;
59(2):433-8.
PMID: 9476992
The involvement of NMDA-type glutamate receptors in caffeine's locomotor stimulant effects and the development of tolerance to these effects was examined in rats. Caffeine and the noncompetitive NMDA receptor antagonists,...