G. Collins

Publications71
h-index21
Citations1,170
Highly Influential Citations80
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Dopamine Agonist-Induced Yawning in Rats: A Dopamine D3 Receptor-Mediated Behavior
A specific role for the dopamine D3 receptor in behavior has yet to be elucidated. We now report that dopamine D2/D3 agonists elicit dose-dependent yawning behavior in rats, resulting in an inverted… Expand
Yawning and hypothermia in rats: effects of dopamine D3 and D2 agonists and antagonists
RationaleIdentification of behaviors specifically mediated by the dopamine D2 and D3 receptors would allow for the determination of in vivo receptor selectivity and aide the development of novel… Expand
Nicotine-like behavioral effects of the minor tobacco alkaloids nornicotine, anabasine, and anatabine in male rodents.
Tobacco use is associated with lethal diseases in an estimated 440,000 persons in the United States each year (Centers for Disease Control and Prevention, 2005). Successful smoking quit-rates are… Expand
Food Restriction Alters N′-Propyl-4,5,6,7-tetrahydrobenzothiazole-2,6-diamine dihydrochloride (Pramipexole)-Induced Yawning, Hypothermia, and Locomotor Activity in Rats: Evidence for Sensitization of…
Food restriction enhances sensitivity to the reinforcing effects of a variety of drugs of abuse including opiates, nicotine, and psychostimulants. Food restriction has also been shown to alter a… Expand
Proerectile Effects of Dopamine D2-Like Agonists Are Mediated by the D3 Receptor in Rats and Mice
Dopamine D2-like agonists induce penile erection (PE) and yawning in a variety of species, effects that have been suggested recently to be specifically mediated by the D4 and D3 receptors,… Expand
Lorcaserin Reduces the Discriminative Stimulus and Reinforcing Effects of Cocaine in Rhesus Monkeys
Cocaine abuse and obesity are serious public health problems, and studies suggest that both dopamine and serotonin systems are involved in regulating the consumption of drugs and food. Lorcaserin has… Expand
Drug and Reinforcement History as Determinants of the Response-Maintaining Effects of Quinpirole in the Rat
  • G. Collins, J. Woods
  • Psychology, Medicine
  • Journal of Pharmacology and Experimental…
  • 1 November 2007
The present study examined the effect of drug and reinforcement history on quinpirole-maintained responding in rats. Quinpirole (0.01, 0.032, or 0.1 mg/kg per injection) was assessed as a reinforcer… Expand
Effects of consuming a diet high in fat and/or sugar on the locomotor effects of acute and repeated cocaine in male and female C57BL/6J mice.
Drug abuse and obesity are serious public health problems. Dopamine plays a central role in mediating the reinforcing effects of drugs and food. Prolonged use of drugs is known to alter the function… Expand
Individual Differences in the Relative Reinforcing Effects of 3,4-Methylenedioxypyrovalerone under Fixed and Progressive Ratio Schedules of Reinforcement in Rats
The recreational use of designer drugs, including synthetic cathinones (bath salts), is associated with high levels of abuse and toxicity, and represents a growing threat to public health.… Expand
Yawning and locomotor behavior induced by dopamine receptor agonists in mice and rats
Dopaminergic (DA) agonist-induced yawning in rats seems to be mediated by DA D3 receptors, and low doses of several DA agonists decrease locomotor activity, an effect attributed to presynaptic D2… Expand
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