Different methods of assessing nicotine-induced antinociception may engage different neural mechanisms.

abstract：:Under the fixed-consecutive-number schedule (FCN), pigeons were reinforced for responding eight or more times on one response key (work key), and then responding once on a second response key. In one component of this schedule, an external stimulus signalled the completion of the response requirement on the work key (...

journal_title：Psychopharmacology

authors： Picker M,Dykstra LA

更新日期：1988-01-01 00:00:00

abstract：:This study investigated behavioural effects of very potent 5-HT reuptake inhibitors after acute treatment (cianopramine and citalopram), as well as after chronic treatment (cianopramine), in two behavioural models of anxiety: 1) the light/dark choice procedure in mice and 2) the elevated plus-maze test in rats. In add...

journal_title：Psychopharmacology

authors： Griebel G,Moreau JL,Jenck F,Misslin R,Martin JR

更新日期：1994-01-01 00:00:00

abstract：:N-Methyl-D-aspartate (NMDA) antagonists induce psychotomimetic effects in humans that closely resemble negative and cognitive symptoms of schizophrenia. NMDA agonists, in contrast, may significantly ameliorate such symptoms. In rodents, phencyclidine (PCP) and other NMDA antagonists induce a hyperlocomotory syndrome t...

journal_title：Psychopharmacology

authors： Javitt DC,Frusciante M

更新日期：1997-01-01 00:00:00

abstract：RATIONALE:The ability of tobacco harm reduction strategies to produce significant reductions in toxin exposure is limited by compensatory increases in smoking behavior. Characterizing factors contributing to the marked individual variability in compensation may be useful for understanding this phenomenon and assessing ...

journal_title：Psychopharmacology

authors： Harris AC,Pentel PR,LeSage MG

更新日期：2009-09-01 00:00:00

abstract：:Rats were trained to discriminate fenfluramine (1.0 mg/kg) from saline in a two-lever drug discrimination task. The dose-response curve for this discrimination was orderly with an ED50 of about one-half of the training dose (0.52 mg/kg). In substitution tests, indirect (p-chloroamphetamine) and direct (quipazine, MK-2...

journal_title：Psychopharmacology

authors： White FJ,Appel JB

更新日期：1981-01-01 00:00:00

abstract：RATIONALE/OBJECTIVES:Previous research has shown that ecstasy users are impaired in thinking and reasoning. The present study sought to explore the possibility that syllogistic reasoning errors in ecstasy users were due to an inability to construct a model of the premises due to working memory limitations. METHODS:Twe...

journal_title：Psychopharmacology

authors： Fisk JE,Montgomery C,Wareing M,Murphy PN

更新日期：2005-09-01 00:00:00

abstract：RATIONALE/OBJECTIVES:The impact of raising glycaemia by ingestion of a glucose drink has revealed cognitive facilitation, particularly for memory and attention. This study aimed to extend current knowledge by examining, for the first time, whether glucose load also moderates task-related (TRT) and task-unrelated though...

journal_title：Psychopharmacology

authors： Birnie LH,Smallwood J,Reay J,Riby LM

更新日期：2015-08-01 00:00:00

abstract：:We examined the possibility that anoxia at birth can alter behavioral sensitization to amphetamine during adulthood. Male rats born either vaginally or by Cesarean section with or without an additional 15-min period of anoxia received five once-daily injections of either d-amphetamine (2.0 mg/kg, i.p.) or vehicle or n...

journal_title：Psychopharmacology

authors： Brake WG,Boksa P,Gratton A

更新日期：1997-10-01 00:00:00

abstract：BACKGROUND:Soda manufacturers claim that caffeine is added to soda as a flavor enhancer, but many researchers have speculated that caffeine is added to increase the hedonic and reinforcing properties of the soda. Studies in adults have demonstrated that caffeine can condition flavor preferences when added to novel-flav...

journal_title：Psychopharmacology

authors： Temple JL,Ziegler AM,Graczyk A,Bendlin A,O'Leary S,Schnittker YS

更新日期：2012-09-01 00:00:00

abstract：:This pilot study was conducted to evaluate the potential of the new antidepressant moclobemide to inhibit the cytochrome enzyme P4502D6 (CYP2D6) using the cough suppressant dextromethorphan as a substrate in four extensive metabolizers (EM) of debrisoquine. The subjects received seven oral doses of 20 mg dextromethorp...

journal_title：Psychopharmacology

authors： Härtter S,Dingemanse J,Baier D,Ziegler G,Hiemke C

更新日期：1998-01-01 00:00:00

abstract：:Naloxone HCl (10 micrograms/0.5 ml) was injected in the locus coeruleus (LC) of morphine-dependent rats and the behavioural manifestations of morphine withdrawal and the cortical levels of 3-methoxy-4-hydroxyphenylethyleneglycol sulfate (MHPG-SO4) were measured 30 min later. Naloxone precipitated a withdrawal syndrome...

journal_title：Psychopharmacology

authors： Esposito E,Kruszewska A,Ossowska G,Samanin R

更新日期：1987-01-01 00:00:00

abstract：:To confirm the conclusions from a previous study supporting the usefullness of electropupillogram (E.P.G.) in predicting clinical response, data from three separate studies with hyperkinetic and learning disabled (L.D.) children treated with stimulants were surveyed. Change in extent of pupillary contraction (E.C.) af...

journal_title：Psychopharmacology

authors： Bhatara V,Arnold LE,Knopp W,Smeltzer DJ

更新日期：1978-04-28 00:00:00

abstract：:There have been a number of claims that high-dose administration of cocaine to rats leads to neurotoxic effects on dopamine neurons. In this study possible neurotoxic effects on monoamine neurons were examined by measuring the effects of cocaine (35 mg/kg daily for 10 days) on the binding of radioligands to uptake sit...

journal_title：Psychopharmacology

authors： Benmansour S,Tejani-Butt SM,Hauptmann M,Brunswick DJ

更新日期：1992-01-01 00:00:00

abstract：:The effect of the dopamine receptor antagonist haloperidol on the development of sensitization to ethanol-induced increases in locomotor activity was examined in DBA/2J mice. In Experiment 1, different groups of mice were given saline or ethanol (2 g/kg) immediately before each of four locomotor activity sessions (48-...

journal_title：Psychopharmacology

authors： Broadbent J,Grahame NJ,Cunningham CL

更新日期：1995-08-01 00:00:00

abstract：RATIONALE:(+/-) 3,4-Methylenedioxymethamphetamine (MDMA, "ecstasy") is an amphetamine analog and drug of abuse. In animals, MDMA damages brain serotonin (5-HT) neurons at doses that overlap with those used recreationally by some humans. To date, few functional sequelae of MDMA-induced 5-HT damage have been identified. ...

journal_title：Psychopharmacology

authors： McCann UD,Mertl M,Eligulashvili V,Ricaurte GA

更新日期：1999-04-01 00:00:00

abstract：:The time course of light adaptation after intense light exposure is significantly delayed by alcohol, marijuana, and a combined dose of alcohol and marijuana. These effects were found in a double blind experiment, using 10 subjects. The experimental treatments were placebo, 0.75 ml/kg of 95% ethanol, 8 and 15 mg of de...

journal_title：Psychopharmacology

authors： Adams AJ,Brown B,Haegerstrom-Portnoy G,Flom MC,Jones RT

更新日期：1978-01-31 00:00:00

abstract：:Herrnstein's matching equation was used to analyze drug effects on performance in random interval reinforcement schedules. Pimozide caused effects compatible with both motor and motivational impairments, in a 5-component multiple schedule, a 3-schedule 3-day cycle (ALT-3), and a 2-schedule 2-day cycle (ALT-2). However...

journal_title：Psychopharmacology

authors： Willner P,Sampson D,Phillips G,Muscat R

更新日期：1990-01-01 00:00:00

abstract：:Antipsychotic drugs, such as haloperidol and risperidone, are used in long-term treatment of psychiatric patients and thus increase the risk of obesity and other metabolic dysfunctions. Available evidence suggests that these drugs have pro-inflammatory effect, which contributes to the establishment of endocrine distur...

journal_title：Psychopharmacology

authors： da Cruz Jung IE,Machado AK,da Cruz IB,Barbisan F,Azzolin VF,Duarte T,Duarte MM,do Prado-Lima PA,Bochi GV,Scola G,Moresco RN

更新日期：2016-05-01 00:00:00

abstract：:Rats were made hyperphagic by 6-hydroxydopamine (6-OHDA) injected bilaterally into the ventral midbrain; then they were restricted to a 6 h/day feeding schedule and tested for appetite suppression with amphetamine and fenfluramine in randomized order. Amphetamine anorexia was diminished while fenfluramine anorexia was...

journal_title：Psychopharmacology

authors： Ahlskog JE,Randall PK,Hernandez L,Hoebel BG

更新日期：1984-01-01 00:00:00

abstract：RATIONALE:Cannabinoid antagonists purportedly have greater effects in reducing the intake of highly palatable food compared to less palatable food. However, this assertion is based on free-feeding studies in which the amount of palatable food eaten under baseline conditions is often confounded with other variables, suc...

journal_title：Psychopharmacology

authors： Buckley JL,Rasmussen EB

更新日期：2014-05-01 00:00:00

abstract：RATIONALE:Serotonergic mechanisms are thought to play an important role in the regulation of mood, motor activity and sleep patterns. Serotonin reuptake is controlled by the serotonin transporter (5-HTT) and by a common functional insertion/deletion polymorphism in the corresponding gene's promoter region (5-HTTLPR). H...

journal_title：Psychopharmacology

authors： Putzhammer A,Schoeler A,Rohrmeier T,Sand P,Hajak G,Eichhammer P

更新日期：2005-03-01 00:00:00

abstract：:The intensity of the head-twitch response and the 5-hydroxytryptamine (5-HT) syndrome (tremor, fore-paw treading, head-weaving and hind-limb abduction) was measured in male CFLP mice following IP injection of 5 mg/kg 5-methoxy-N,N-dimethyltryptamine (5-MeODMT). The results of separate experiments carried out at 1.5-h ...

journal_title：Psychopharmacology

authors： Moser PC,Redfern PH

更新日期：1985-01-01 00:00:00

abstract：OBJECTIVE:The primary aim of this project was to examine the role of alcohol use in smoking lapse behavior, as alcohol consumption is a known risk factor for poor smoking cessation outcomes. MATERIALS AND METHODS:We have developed a novel human laboratory model to examine two primary aspects of alcohol-mediated tobacc...

journal_title：Psychopharmacology

authors： McKee SA,Krishnan-Sarin S,Shi J,Mase T,O'Malley SS

更新日期：2006-12-01 00:00:00

abstract：RATIONALE:Typical neuroleptic medications are still administered to as many as 40% of patients receiving antipsychotic treatment in the US. Intermittent administration or interruption of long-term neuroleptic medication for schizophrenia may increase the incidence of human tardive dyskinesias, and similarly may produce...

journal_title：Psychopharmacology

authors： Linn GS,Lifshitz K,O'Keeffe RT,Lee K,Camp-Lifshitz J

更新日期：2001-01-01 00:00:00

abstract：:The relationship between premenstrual dysphoria and alcohol acquistion and use patterns was studied in 14 women over 35 days on a clinical research ward. A 7-day drug-free baseline was followed by 21 days of alcohol availability and a post-alcohol drug-free period of 7 days. Women could earn alcohol or 50 cents for 30...

journal_title：Psychopharmacology

authors： Mello NK,Mendelson JH,Lex BW

更新日期：1990-01-01 00:00:00

abstract：BACKGROUND:Opioid neurotransmission mediates hedonic value of sweet tastants; their intake may be exaggerated by the consumption of exogenous opioids (e.g., opioid dependence). Sweet Taste Test (STT) is a validated quantitative instrument assessing taste perception and hedonic features of sugar (sucrose) using a random...

journal_title：Psychopharmacology

authors： Langleben DD,Busch EL,O'Brien CP,Elman I

更新日期：2012-04-01 00:00:00

abstract：:3,4-Methylenedioxymethamphetamine (MDMA) is a psychoactive phenylisopropylamine which is structurally similar to both amphetamine-related sympathomimetics and the hallucinogen, mescaline. MDMA produces pleasurable effects which include euphoria, and recent reports continue to demonstrate its widespread recreational us...

journal_title：Psychopharmacology

authors： Hubner CB,Bird M,Rassnick S,Kornetsky C

更新日期：1988-01-01 00:00:00

abstract：OBJECTIVES:Previous studies have investigated the occupancy of the serotonin reuptake transporter (SERT) after clinical doses of citalopram and other selective serotonin reuptake inhibitors. In the present study, the occupancies of SERT after multiple doses of escitalopram and citalopram were compared using the radioli...

journal_title：Psychopharmacology

authors： Klein N,Sacher J,Geiss-Granadia T,Mossaheb N,Attarbaschi T,Lanzenberger R,Spindelegger C,Holik A,Asenbaum S,Dudczak R,Tauscher J,Kasper S

更新日期：2007-04-01 00:00:00

abstract：OBJECTIVES:Recent studies using positron emission tomography (PET) have established the relationship between an intravenous dose of cocaine and the percentage occupancy of the dopamine transporter in humans, and have documented the requirement of more than 50% occupancy for perception of the "high". The present experim...

journal_title：Psychopharmacology

authors： Gatley SJ,Volkow ND,Gifford AN,Fowler JS,Dewey SL,Ding YS,Logan J

更新日期：1999-09-01 00:00:00

abstract：:We examined the effects on sucrose consumption of a dopamine (DA) D2/D3 antagonist (raclopride, 0-0.3 mg/kg), a serotonin 5-HT2/2c antagonist (ritanserin, 0-0.4 mg/kg), and raclopride (0.15 mg/kg) combined with ritanserin (0-0.4 mg/kg). Three different concentrations of sucrose solution (0.7%, 7.0% and 34%) were teste...

journal_title：Psychopharmacology

authors： Montgomery AM,Suri A

更新日期：1996-01-01 00:00:00