Measurement of psychological state changes at low dopamine transporter occupancy following a clinical dose of mazindol.

abstract：:The behavioral profile of corticotropin-releasing factor (CRF) in mediating anxiogenic-like and aversive responses to stressors may be particularly relevant for dependence and withdrawal in drug-experienced organisms. Moreover, stressful aspects of drug exposure in the drug naive organism may also induce CRF system ac...

journal_title：Psychopharmacology

authors： Heinrichs SC,Klaassen A,Koob GF,Schulteis G,Ahmed S,De Souza EB

更新日期：1998-04-01 00:00:00

abstract：:Growth hormone (hGH) responses to centrally acting dopamine agonists were used as indices of CNS dopaminergic function in order to test hypotheses implicating dopaminergic alteration in the etiopathology of schizophrenia. Apomorphine, a direct acting dopamine receptor agonist, and L-Dopa, an indirect agonist dependent...

journal_title：Psychopharmacology

authors： Rotrosen J,Angrist BM,Gershon S,Sachar EJ,Halpern FS

更新日期：1976-12-21 00:00:00

abstract：RATIONALE:Hypericum perforatum L., known as St. John's wort (SJW), is used as a phytotherapeutic agent for the treatment of mild to moderate forms of depression. OBJECTIVES:The aim of the present study was to evaluate the effect of SJW extract (STW 3-VI; 250 and 500 mg/kg; p.o.) and fluoxetine (10 mg/kg, p.o.) on gene...

journal_title：Psychopharmacology

authors： Jungke P,Ostrow G,Li JL,Norton S,Nieber K,Kelber O,Butterweck V

更新日期：2011-02-01 00:00:00

abstract：RATIONALE:Cognitive processes underlying drug use have typically been assessed in laboratory settings. More detailed and ecologically valid data may be possible if assessments were conducted in an ecological momentary assessment (EMA) setting. OBJECTIVES:We evaluated the feasibility and utility of administering a reac...

journal_title：Psychopharmacology

authors： Waters AJ,Li Y

更新日期：2008-03-01 00:00:00

abstract：:Twelve healthy chronic schizophrenic patients were treated with the long-acting oral dopamine (DA) receptor blocker penfluridol (100 mg orally) for 6 weeks. Plasma prolactin (PRL) levels were measured during insulin-tolerance tests (ITT) performed at the end of the drug-free period (7-10 days) and during weeks 1 and 6...

journal_title：Psychopharmacology

authors： Nathan RS,Sachar EJ,Ostrow L,Asnis GM,Halbreich U,Halpern F,Renzi NL,Slotnick V

更新日期：1983-01-01 00:00:00

abstract：:Buprenorphine, a partial mu opioid agonist, is an experimental medication under development for the treatment of opioid dependence as an alternative to methadone maintenance. The present study examined the relationship between level of opioid physical dependence and response to buprenorphine administration as part of ...

journal_title：Psychopharmacology

authors： Walsh SL,June HL,Schuh KJ,Preston KL,Bigelow GE,Stitzer ML

更新日期：1995-06-01 00:00:00

abstract：RATIONALE:The nicotine delivery rate is a key feature of tobacco product design, yet there have been limited human studies examining the effects of nicotine as a function of delivery rate. OBJECTIVE:We developed an intravenous nicotine infusion protocol to evaluate differential effects of nicotine delivery rate on sub...

journal_title：Psychopharmacology

authors： Jensen KP,Valentine G,Gueorguieva R,Sofuoglu M

更新日期：2020-05-01 00:00:00

abstract：:Much of the research implicating learning in the development of tolerance to ethanol-induced impairment has used an experimental design in which different groups receive drug either before or after an opportunity to perform an instrumental or operant task. The stronger tolerance observed in subjects who perform while ...

journal_title：Psychopharmacology

authors： Cunningham CL,Losli SM,Risinger FO

更新日期：1992-01-01 00:00:00

abstract：:Mature rats (starting weight at least 270 g) were treated daily with cannabis extract (daily THC dose 20 mg/kg) for 3 months. After a 1- to 4-month drug-free period, residual effects on a variety of behaviors were studied. No residual effects were found in learning of an eight-arm radial maze task, nor on a differenti...

journal_title：Psychopharmacology

authors： Stiglick A,Kalant H

更新日期：1985-01-01 00:00:00

abstract：:The effect of 15 min/day of immobilization (IM) stress on oral self-administration (SA) of morphine (0.5 mg/ml) or fentanyl (25 micrograms/ml) and withdrawal was examined in rats. In addition, the role of conditioning factors in these effects was assessed. For each drug, four groups of subjects were exposed for 50 day...

journal_title：Psychopharmacology

authors： Shaham Y

更新日期：1993-01-01 00:00:00

abstract：RATIONALE:Cannabinoid CB1 receptors are expressed in the prefrontal cortex, but their role in mediating executive functions such as behavioral flexibility is unclear. OBJECTIVE:The present study examined the effect of pharmacological activation or blockade of the cannabinoid CB1 receptors on behavioral flexibility usi...

journal_title：Psychopharmacology

authors： Hill MN,Froese LM,Morrish AC,Sun JC,Floresco SB

更新日期：2006-08-01 00:00:00

abstract：:It has been suggested that anxiety may be a critical factor in certain forms of non-opioid environmental analgesia. In the present study, 5-min exposure to the elevated plus-maze test of anxiety (EPM) induced a mild, though enduring, elevation in tail-flick latencies in male mice. Pretreatment with the opiate antagoni...

journal_title：Psychopharmacology

authors： Lee C,Rodgers RJ

更新日期：1990-01-01 00:00:00

abstract：RATIONALE:Although psilocybin has been used for centuries for religious purposes, little is known scientifically about its acute and persisting effects. OBJECTIVES:This double-blind study evaluated the acute and longer-term psychological effects of a high dose of psilocybin relative to a comparison compound administer...

journal_title：Psychopharmacology

authors： Griffiths RR,Richards WA,McCann U,Jesse R

更新日期：2006-08-01 00:00:00

abstract：:The behavioral effects following intrastriatal MPP+, the neurotoxic metabolite of MPTP, were evaluated in mice. Bilateral injections of 10 micrograms MPP+ to mice previously trained in the shuttle box paradigm produced a 66% decrease in striatal dopamine and significant deficits in all measures of conditioned avoidanc...

journal_title：Psychopharmacology

authors： Wagner GC,Walsh SL

更新日期：1987-01-01 00:00:00

abstract：RATIONALE:Though interoceptive properties of antidepressants have been described, discriminative stimulus (DS) properties of mirtazapine, which does not affect monoamine reuptake, remain uncharacterized. OBJECTIVES:The objectives of the study are to train rats to recognize a mirtazapine DS, then perform substitution s...

journal_title：Psychopharmacology

authors： Dekeyne A,Millan MJ

更新日期：2009-04-01 00:00:00

abstract：INTRODUCTION:Marchigian Sardinian alcohol-preferring (msP) rats exhibit innate preference for alcohol along with anxious phenotype. In these animals, two single-nucleotide polymorphisms in position -1,836 and -2,097 from the first start codon of the CRF1-R transcript have been found. MATERIALS AND METHODS:Here, we exa...

journal_title：Psychopharmacology

authors： Cippitelli A,Ayanwuyi LO,Barbier E,Domi E,Lerma-Cabrera JM,Carvajal F,Scuppa G,Li H,Ubaldi M,Heilig M,Roberto M,Ciccocioppo R

更新日期：2015-03-01 00:00:00

abstract：:Preclinical studies have exploded our knowledge about the behavioral and biological underpinnings of alcoholism. These studies suggest that certain neurotransmitters, particularly those interacting with the opioid, N-methyl-D-aspartate, and monoamine systems, may play a critical role in the expression of alcohol-drink...

journal_title：Psychopharmacology

authors： Johnson BA,Ait-Daoud N

更新日期：2000-05-01 00:00:00

abstract：:Cholinergic neurotransmission has been implicated in various forms of neural plasticity such as kindling and learning. We have previously shown that blockade of muscarinic cholinergic receptors prevents the development of locomotor sensitization to methamphetamine. The present study was conducted to examine whether sc...

journal_title：Psychopharmacology

authors： Ohmori T,Abekawa T,Koyama T

更新日期：1995-09-01 00:00:00

abstract：RATIONALE:Cortical gamma-aminobutyric acid (GABA)ergic neurons contribute to the orchestration of pyramidal neuron population firing as follows: (1) by releasing GABA on GABA(A) and GABA(B) receptors, (2) by releasing reelin in the proximity of integrin receptors located on cortical pyramidal neuron dendritic spines, a...

journal_title：Psychopharmacology

authors： Guidotti A,Auta J,Davis JM,Dong E,Grayson DR,Veldic M,Zhang X,Costa E

更新日期：2005-07-01 00:00:00

abstract：:Augmentation with low-dose fluvoxamine (50-100 mg/day) to antipsychotic treatment may improve the negative symptoms in schizophrenic patients, but involves a risk of drug-drug interaction. We studied the effects of fluvoxamine on plasma concentrations of haloperidol and reduced haloperidol, and their clinical symptoms...

journal_title：Psychopharmacology

authors： Yasui-Furukori N,Kondo T,Mihara K,Inoue Y,Kaneko S

更新日期：2004-01-01 00:00:00

abstract：:Roxindole is a potent autoreceptor-selective dopamine agonist with additional properties as a serotonin reuptake inhibitor and 5-HT1A agonist. In order to get more insight into its mode of action in various psychiatric populations, we evaluated the effects of subchronic roxindole treatment on pituitary and adrenal hor...

journal_title：Psychopharmacology

authors： Gründer G,Wetzel H,Hillert A,Jochum E,Hiemke C,Benkert O

更新日期：1995-02-01 00:00:00

abstract：RATIONALE:The exact role of delta opioid receptors in drug-induced conditioned place preference (CPP) remains debated. Under classical experimental conditions, morphine-induced CPP is decreased in mice lacking delta opioid receptors (Oprd1 (-/-)). Morphine self-administration, however, is maintained, suggesting that dr...

journal_title：Psychopharmacology

authors： Le Merrer J,Faget L,Matifas A,Kieffer BL

更新日期：2012-09-01 00:00:00

abstract：:The effect of delta 9-tetrahydrocannabinol (THC) on the locomotor activity-stimulating action of morphine has been investigated in mice. THC (10 mg/kg) has been found to potentiate morphine-induced hyperactivity. On the other hand, the stimulating action of morphine on motor activity strongly diminished in mice render...

journal_title：Psychopharmacology

authors： Ulkü E,Ayhan IH,Tulunay FC,Uran B,Kaymakçalan S

更新日期：1980-01-01 00:00:00

abstract：RATIONALE:Human behavioral pharmacology studies can examine how medications that target different neurotransmitter systems influence different aspects of smoking. Naltrexone and bupropion have been shown to alter ad lib smoking behavior; however, medication effects on nicotine reward in a cigarette choice paradigm have...

journal_title：Psychopharmacology

authors： Rukstalis M,Jepson C,Strasser A,Lynch KG,Perkins K,Patterson F,Lerman C

更新日期：2005-06-01 00:00:00

abstract：:The effects of pindolol on the prolactin (PRL) and growth hormone (GH) responses to intravenous tryptophan (LTP) were studied in eight healthy male volunteers. Pindolol pretreatment (40 mg over 48 h) markedly attenuated the GH response to LTP and modestly, but significantly, reduced the LTP-induced increase in plasma ...

journal_title：Psychopharmacology

authors： Smith CE,Ware CJ,Cowen PJ

更新日期：1991-01-01 00:00:00

abstract：:A simple new method, the "tape test" has been developed for studying the enhancement of learning by drugs in "learning-dull" rats. A piece of adhesive tape is pressed on the left front pad of the rats. The time of tape removal by the animal, i.e., the problem-solving time is measured. In our experiments the selected l...

journal_title：Psychopharmacology

authors： Ezer E,Szporny L

更新日期：1976-07-09 00:00:00

abstract：RATIONALE:We recently demonstrated that blocking specific nicotinic acetylcholine receptors (nAChRs) abolishes the conditioned reinforcing properties of ethanol-associated cues in rat, suggesting nAChRs as promising pharmacological targets for prevention of cue-induced relapse. OBJECTIVES:The present study investigate...

journal_title：Psychopharmacology

authors： Löf E,Olausson P,Stomberg R,Taylor JR,Söderpalm B

更新日期：2010-10-01 00:00:00

abstract：:Two experiments were carried out on pigeons to assess the effects of acute ethanol (ETOH) administration on a delayed pair comparison procedure. ETOH disrupted performance at the two higher doses (1.0 and 2.0 g/kg, given orally). When the initial (zero delay) performance levels of treated and untreated birds were equa...

journal_title：Psychopharmacology

authors： Sahgal A,Ekberg SC,Howell SJ,Iversen SD

更新日期：1980-01-01 00:00:00

abstract：RATIONALE:Reduced serotonin neurotransmission is implicated in disorders of impulse control, but the involvement of serotonin in inhibitory processes in healthy human subjects remains unclear. OBJECTIVES:To investigate the effects of an acute manipulation of serotonin and genotype at a functional polymorphism in a gen...

journal_title：Psychopharmacology

authors： Clark L,Roiser JP,Cools R,Rubinsztein DC,Sahakian BJ,Robbins TW

更新日期：2005-11-01 00:00:00

abstract：:These experiments were undertaken to determine if local injection of pilocarpine in the neostriatum of the rat produces oral motor activities that are similar to those produced by systemic administration. In the first experiment, IP administration of 2.0-8.0 mg/kg pilocarpine increased chewing movements and tongue pro...

journal_title：Psychopharmacology

authors： Salamone JD,Johnson CJ,McCullough LD,Steinpreis RE

更新日期：1990-01-01 00:00:00