Random-ratio schedules produce greater demand for i.v. drug administration than fixed-ratio schedules in rhesus monkeys [PDF]
Organisms emit more responses when food is provided according to random as compared with fixed schedules of reinforcement. Similarly, many human behaviors deemed compulsive are maintained on variable schedules (e.g., gambling). If greater amounts of behavior are maintained by drugs of abuse when earned according to variably reinforced schedules, this ...
Carla H, Lagorio, Gail, Winger
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Intranasal cocaine self-administration in male mice [PDF]
Intravenous drug self-administration has been widely used in behavioral neuroscience to model addiction and heightened motivational states; however, the technique is notoriously difficult and its utility has been in steady decline.
Kirsty R. Erickson +9 more
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Nicotine and cocaine self-administration using a multiple schedule of intravenous drug and sucrose reinforcement in rats [PDF]
There appears to be a relatively narrow range of contingencies in which intravenous (i.v) infusions of nicotine will maintain responding in rats. The schedule of reinforcement typically used when investigating i.v. nicotine self-administration is a simple fixed-ratio (FR) schedule.
Dustin J, Stairs +2 more
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Enhanced self-administration of the CB1 receptor agonist WIN55,212-2 in olfactory bulbectomized rats: evaluation of possible serotonergic and dopaminergic underlying mechanisms [PDF]
Depression has been associated with drug consumption, including heavy or problematic cannabis use. According to an animal model of depression and substance use disorder comorbidity, we combined the olfactory bulbectomy model of depression with ...
Petra eAmchova +19 more
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Drug self-administration studies have recently employed progressive ratio (PR) schedules to examine psychostimulant and opiate reinforcement. This review addresses the technical, statistical, and theoretical issues related to the use of the PR schedule in self-administration studies in rats.
N R, Richardson, D C, Roberts
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According to the recommendations proposed at The Consensus Conference on Diagnosis and Treatment of Aluminium Overload in End-Stage Renal Failure Patients, Paris, 1992 low-dose desferrioxamine (DFO) treatment was applied for the first time in 41 acutely aluminium-intoxicated patients.DFO-related neurological/ophthalmological side-effects were observed ...
Barata, J.D. +5 more
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Antibody–drug conjugates (ADCs) combine the specificity of an antibody with the cytotoxicity of a chemical agent. They represent a rapidly evolving area of oncology drug development and hold significant promise.
Michael Z. Liao +6 more
semanticscholar +1 more source
Preclinical Determinants of Drug Choice under Concurrent Schedules of Drug Self-Administration [PDF]
Drug self-administration procedures have played a critical role in the experimental analysis of psychoactive compounds, such as cocaine, for over 50 years. While there are numerous permutations of this procedure, this paper will specifically focus on choice procedures using concurrent schedules of intravenous drug self-administration.
Banks, Matthew L., Negus, S. Stevens
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Progressive ratio (PR) schedules of drug delivery are used to determine the ‘motivational’ state of an animal and drug ‘reinforcing efficacy’. This widely held interpretation is supported mainly by the observation that the PR breakpoint (BP) is ...
Vladimir L. Tsibulsky, Andrew B. Norman
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Administration of four different doses of gabapentin reduces awakening from breakthrough pain and adverse effects in outpatients with neuropathic pain during the initial titration [PDF]
BackgroundGabapentin is a safe and well-tolerated anticonvulsant with a wide therapeutic index, and it is used for neuropathic pain. The aim of this study was to compare previous dosing methods with the administration of four different doses of ...
Jong-Yeun Yang +5 more
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