Brain serotonin receptors and transporters: initiation vs. termination of escalated aggression.

abstract：RATIONALE:Buprenorphine is a low-efficacy mu opioid agonist that can reduce drug taking in opioid abusers; however, the mechanism by which buprenorphine modifies the actions of other drug taking and the consequences of repeated treatment with buprenorphine are not fully understood. OBJECTIVE:The purposes of this study...

journal_title：Psychopharmacology

authors： Galici R,Brandt MR,France CP

更新日期：2002-03-01 00:00:00

abstract：RATIONALE:Convulsions associated with cocaine toxicity are a serious aspect of cocaine-related emergency room incidents. Seizures can result from a single high dose of cocaine, and evidence is accumulating that correlates repetitive administration of sub-convulsive doses of cocaine with a decreased seizure threshold, a...

journal_title：Psychopharmacology

authors： Miller KA,Witkin JM,Ungard JT,Gasior M

更新日期：2000-01-01 00:00:00

abstract：:The relationship between each of two pharmacologic effects (tachycardia and psychological "high") of delta-9-tetrahydrocannabinol (THC) and plasma THC concentration was investigated in three male and three female experienced marihuana smokers. Each subject smoked 1% THC cigarette on two occasions separated by 2 h. Hea...

journal_title：Psychopharmacology

authors： Cocchetto DM,Owens SM,Perez-Reyes M,DiGuiseppi S,Miller LL

更新日期：1981-01-01 00:00:00

abstract：INTRODUCTION:Non-medical use of prescription opioids such as the mu opioid receptor (MOP-r) agonist oxycodone is a growing problem in the USA and elsewhere. There is limited information about oxycodone's impact on diverse gene systems in the brain. OBJECTIVES:The current study was designed to examine how chronic oxyco...

journal_title：Psychopharmacology

authors： Zhang Y,Liang Y,Levran O,Randesi M,Yuferov V,Zhao C,Kreek MJ

更新日期：2017-08-01 00:00:00

abstract：:Evidence has been provided for impaired neurotransmitter functioning in the brain of elderly subjects. In order to assess central GABAergic transmission, the activity of the hypothalamic GABA system may be investigated by basal growth hormone (GH) response to the GABAergic drug sodium valproate (SV). For this purpose ...

journal_title：Psychopharmacology

authors： Monteleone P,Iovino M,Orio F,Steardo L

更新日期：1987-01-01 00:00:00

abstract：RATIONALE:Available neurochemical probes that lower brain dopamine (DA) levels in man are limited by their tolerability and efficacy. For instance, the acute lowering of brain tyrosine is well tolerated, but only modestly lowers brain DA levels. Modification of tyrosine depletion to robustly lower DA levels would provi...

journal_title：Psychopharmacology

authors： Brodnik Z,Double M,Jaskiw GE

更新日期：2013-05-01 00:00:00

abstract：RATIONALE:Impulsivity has been strongly linked to addictive behaviors, but can be operationalized in a number of ways that vary considerably in overlap, suggesting multidimensionality. OBJECTIVE:This study tested the hypothesis that the latent structure among multiple measures of impulsivity would reflect the followin...

journal_title：Psychopharmacology

authors： MacKillop J,Weafer J,C Gray J,Oshri A,Palmer A,de Wit H

更新日期：2016-09-01 00:00:00

abstract：RATIONALE:Despite the critical role attributed to phosphorylated extracellular signal regulated kinase (pERK1/2) in the nucleus accumbens (Acb) in the actions of addictive drugs, the effects of morphine on ERK1/2 phosphorylation in this area are still controversial. OBJECTIVES:In order to investigate further this issu...

journal_title：Psychopharmacology

authors： Rosas M,Porru S,Fenu S,Ruiu S,Peana AT,Papale A,Brambilla R,Di Chiara G,Acquas E

更新日期：2016-08-01 00:00:00

abstract：RATIONALE:Quitting smoking is often very challenging, leading to frequent relapse. Exposure to acute and chronic stress during abstinence increases the likelihood of relapse to smoking. In rodents, stress acutely reinstates nicotine seeking after extinction of nicotine self-administration (SA). However, whether reacqui...

journal_title：Psychopharmacology

authors： Yu G,Chen H,Sharp BM

更新日期：2014-08-01 00:00:00

abstract：:The effects of dopamine agonists on self-stimulation are a matter of considerable dispute. Apomorphine has variously been reported to inhibit, have no effect on, or to facilitate lever-press self-stimulation. To investigate the possibility that these discrepancies may reflect peculiarities of the lever-press test situ...

journal_title：Psychopharmacology

authors： Atrens DM,Becker FT,Hunt GE

更新日期：1980-01-01 00:00:00

abstract：:The effect of diazepam on spatial visualization was studied using a double-blind crossover design. Diazepam 10 mg (or placebo) was given orally to 12 healthy young men at bedtime, followed again by 10 mg (or placebo) the next morning. One hour after the administration of the morning dose, the subjects performed a ment...

journal_title：Psychopharmacology

authors： Taylor J,Hunt E,Coggan P

更新日期：1987-01-01 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：:Experiments assessed the development of tolerance to morphine stimulus control during treatment with selected maintenance doses of morphine. Separate groups of rats were trained to discriminate saline and either 3.2 mg/kg or 5.6 mg/kg morphine under fixed-ratio schedules of food delivery. Dose-response functions for g...

journal_title：Psychopharmacology

authors： Young AM,Sannerud CA,Steigerwald ES,Doty MD,Lipinski WJ,Tetrick LE

更新日期：1990-01-01 00:00:00

abstract：RATIONALE:Each year, over 300,000 individuals in the USA enter treatment for cannabis use disorder (CUD). The development of effective pharmacotherapy for CUD is a priority. OBJECTIVE:This placebo-controlled study examined the effects of zolpidem alone and in combination with nabilone on cannabis withdrawal and a labo...

journal_title：Psychopharmacology

authors： Herrmann ES,Cooper ZD,Bedi G,Ramesh D,Reed SC,Comer SD,Foltin RW,Haney M

更新日期：2016-07-01 00:00:00

abstract：BACKGROUND AND RATIONALE:Despite the popularity of polysubstance abuse among recreational methylendioxymethamphetamine (MDMA) users, relatively few controlled experimental studies have documented the neurobehavioral effects of MDMA in combination with other abused substances. OBJECTIVE:In this study, the combined acut...

journal_title：Psychopharmacology

authors： Panos JJ,Baker LE

更新日期：2010-03-01 00:00:00

abstract：:The effects of ibogaine (40 and 80 mg/kg, i.p.), an indole alkaloid proposed for the treatment of drug abuse, were determined in three different groups of rats responding under an FR10 schedule of food, cocaine or heroin reinforcement. Ibogaine (80 mg/kg, i.p.) given 60 min before the start of the session resulted in ...

journal_title：Psychopharmacology

authors： Dworkin SI,Gleeson S,Meloni D,Koves TR,Martin TJ

更新日期：1995-02-01 00:00:00

abstract：:This study examined the possibility that amphetamine-induced stereotypy and facilitation of memory consolidation are both mediated by amphetamine's stimulation of dopaminergic activity in the caudate nucleus. In the first experiment, rats were given pairings of a tone and a shock followed by SC amphetamine (2 mg/kg). ...

journal_title：Psychopharmacology

authors： Carr GD,White NM

更新日期：1984-01-01 00:00:00

abstract：:The noradrenergic system has repeatedly been implicated in the mediation of attentional processes. Using a double-blind, placebo-controlled design, the present investigation examines the effects of two doses (1.5 micrograms/kg and 2.5 micrograms/kg) of the alpha 2 adrenoceptor agonist clonidine (CLO) on performance of...

journal_title：Psychopharmacology

authors： Coull JT,Middleton HC,Robbins TW,Sahakian BJ

更新日期：1995-08-01 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：:There were marked strain differences in the duration of the protective effects of diazepam against the convulsant actions of penylenetetrazole and picrotoxin in mice. In no case was significant protection found at 12 h or longer, regardless of whether the incidence of or the latencies to myoclonus or tonic-clonic conv...

journal_title：Psychopharmacology

authors： File SE,Greenblatt DJ,Martin IL,Brown C

更新日期：1985-01-01 00:00:00

abstract：:It has been shown that pretreatment with dopamine (DA) receptor blockers disrupts the effect of intravenously (IV) and intracerebrally (ICV), but not intraperitoneally (IP) administered cocaine on place preference conditioning (PPC). The present study was undertaken to further evaluate possible differences between IV ...

journal_title：Psychopharmacology

authors： Nomikos GG,Spyraki C

更新日期：1988-01-01 00:00:00

abstract：:2,4-Dithiobiuret (DTB) is a sulfonated derivative of urea that is used as a reducing agent in chemical manufacture. Its low acute toxicity to rodents belies a peripherally mediated, delayed-onset muscle weakness which develops during repeated daily exposure. In experiment 1, a standard dose regimen of DTB (0.5 mg/kg p...

journal_title：Psychopharmacology

authors： Bushnell PJ,Oshiro WM

更新日期：1996-02-01 00:00:00

abstract：:Sixty-two DSM III chronic schizophrenic inpatients were selected for a double-blind, placebo controlled, multi-centre, relapse prevention study of remoxipride, a selective dopamine (D2)-receptor antagonist. After a 1 month placebo washout, 23 patients had relapsed and were withdrawn. Of the remaining patients 19 were ...

journal_title：Psychopharmacology

authors： King DJ,Blomqvist M,Cooper SJ,Doherty MM,Mitchell MJ,Montgomery RC

更新日期：1992-01-01 00:00:00

abstract：:The increasing interest in subjective well-being and quality of life of schizophrenic patients represents a conceptual shift in therapeutic outcome criteria. Symptom reduction alone was the most essential outcome parameter for a long time; with the development of atypical antipsychotics more ambitious success criteria...

journal_title：Psychopharmacology

authors： Karow A,Naber D

更新日期：2002-06-01 00:00:00

abstract：:Two experiments were conducted to assess the acute behavioral effects of triazolam and temazepam in healthy, non-drug abusing men in double-blind, placebo-controlled, crossover trials, where all subjects received all possible doses. These drugs were compared to examine allegations that triazolam produces greater behav...

journal_title：Psychopharmacology

authors： Rush CR,Higgins ST,Hughes JR,Bickel WK

更新日期：1993-01-01 00:00:00

abstract：:7-Hydroxychlorpromazine (7-OHCPZ) has been identified and quantified in CSF from chlorpromazine (CPZ)-treated schizophrenic patients. The level of the metabolite in CSF was similar to that of CPZ. In serum the amount of 7-OHCPZ was about 30% of CPZ. The concentration of 7-OHCPZ in csf was positively and significantly ...

journal_title：Psychopharmacology

authors： Alfredsson G,Lindberg M,Sedvall G

更新日期：1982-01-01 00:00:00

abstract：:In a shuttle-box self-stimulation paradigm, analgesic doses of morphine increase the amount of time a rat leaves rewarding brain stimulation on, without altering average OFF times. This paradigm may serve as a model for the euphoria induced by narcotic drugs and as a useful tool for evaluating the reinforcing effects ...

journal_title：Psychopharmacology

authors： Levitt RA,Baltzer JH,Evers TM,Stilwell DJ,Furby JE

更新日期：1977-11-15 00:00:00

abstract：:Relationships between aging effects on apomorphine (AP)-induced stereotypy and AP concentrations in plasma and brain were studied in rats. In two separate behavioral studies, four groups of male Wistar rats (3, 6, 20, and 43 weeks of age) and two groups of female Wistar rats (5 and 35 weeks of age) were used, respecti...

journal_title：Psychopharmacology

authors： Watanabe H,Nakano S,Ogawa N

更新日期：1982-01-01 00:00:00

abstract：:An experiment was carried out in the pigeon to assess the effects of sodium amylobarbitone (SAB) on memory, using a delayed pair comparison task. Performance was disrupted at all delays by doses of 10 and 20 mg/kg SAB and it was concluded that this effect was not due to perceptual impairment or stereotyped responding,...

journal_title：Psychopharmacology

authors： Hulme M,Sahgal A,Iversen SD

更新日期：1979-03-29 00:00:00

abstract：RATIONALE:Children and adolescents will readily abuse household products that contain solvents such as toluene. It is likely that reinforcing exposures to toluene alter brain glucose metabolism. OBJECTIVE:Using an animal model of drug reinforcement, we sought to identify a metabolic signature of toluene abuse in the a...

journal_title：Psychopharmacology

authors： Schiffer WK,Lee DE,Alexoff DL,Ferrieri R,Brodie JD,Dewey SL

更新日期：2006-06-01 00:00:00