Dopamine D2 receptor occupancy in vivo by the novel atypical antipsychotic olanzapine--a 123I IBZM single photon emission tomography (SPET) study.

abstract：:The effects of a new alpha-2 adrenoceptor antagonist on erectile function was assessed in 12 normal volunteers (mean age 28.7, range 20-42), using a double blind, placebo controlled design with two doses of drug and three testing sessions. The drug was administered by intravenous infusion and erectile responses to ero...

journal_title：Psychopharmacology

authors： Munoz M,Bancroft J,Turner M

更新日期：1994-08-01 00:00:00

abstract：BACKGROUND:Although ethanol is frequently used in combination with other psychoactive drugs, the behavioral and pharmacological reasons for this form of polydrug abuse have not been well described. MATERIALS AND METHODS:Rhesus monkeys with indwelling intravenous catheters produced intravenous injections of ethanol (50...

journal_title：Psychopharmacology

authors： Winger G,Galuska CM,Hursh SR

更新日期：2007-09-01 00:00:00

abstract：:The issue of whether tolerance develops to the motivational effects of opioids was addressed by use of an unbiased place preference conditioning procedure. Administration of the mu-opioid agonists morphine or fentanyl produced dose-related preferences for the drug-associated place in control rats. In contrast, the kap...

journal_title：Psychopharmacology

authors： Shippenberg TS,Emmett-Oglesby MW,Ayesta FJ,Herz A

更新日期：1988-01-01 00:00:00

abstract：:Rats were trained to bar-press for intravenous infusions of morphine sulfate during 1-h daily test sessions. Rates of morphine self-administration were enhanced by lesions of the frontal cortex and hippocampus and transiently reduced by lesions of the medial forebrain bundle and medial thalamus. Dose-response studies ...

journal_title：Psychopharmacology

authors： Glick SD,Cox RD

更新日期：1978-05-31 00:00:00

abstract：:The benzodiazepines are typified by a profile of side effects which includes drowsiness, ataxia and incoordination. Ro 15-1788, an imidazodiazepine derivative, exhibits marked antagonism of the behavioural and biochemical effects of the benzodiazepines in animals and man. It is devoid of any behavioural activity in an...

journal_title：Psychopharmacology

authors： Darragh A,Lambe R,O'Boyle C,Kenny M,Brick I

更新日期：1983-01-01 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：:The effects of the enantiomers of 3-PPP on the maintenance of conditioned avoidance responding (CAR) were studied. The weak classical dopamine (DA) agonist (+)-3-PPP failed to interfere with CAR at any dose tested (0.8-13.6 mg/kg). Low doses of the drug produced sedation, while high doses produced behavioural stimulat...

journal_title：Psychopharmacology

authors： Clark D,Carlsson A,Hjorth S,Engel J,Lindberg P

更新日期：1983-01-01 00:00:00

abstract：:The effects of acutely or chronically administered carbamazepine were studied in rats submitted to the modified Geller-Seifter conflict test. Diazepam was used as a standard anxiolytic. The results showed an increase in punished response after carbamazepine, as observed with diazepam, leading to the suggestion of an a...

journal_title：Psychopharmacology

authors： Almeida RN,Leite JR

更新日期：1990-01-01 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：RATIONALE:Cocaine and opioids are often co-abused. As yet, however, there is no clear evidence that the drugs interact to make the mixture a more effective reinforcer. OBJECTIVE:The present study examined the relative reinforcing potency and maximum effectiveness of the cocaine-opioid combination in monkeys given a ch...

journal_title：Psychopharmacology

authors： Freeman KB,Woolverton WL

更新日期：2011-05-01 00:00:00

abstract：RATIONALE:Clinically, nicotine improves attention, but this has proven difficult to demonstrate preclinically. We tested nicotine in Sprague-Dawley (SD) and Lister hooded (LH) rats in the five-choice serial reaction time task. Since SD rats demonstrate lower asymptotic performance than LH rats, we surmised that nicotin...

journal_title：Psychopharmacology

authors： Mirza NR,Bright JL

更新日期：2001-02-01 00:00:00

abstract：RATIONALE:Although the effects of D: -cycloserine (DCS) and valproic acid (VPA) on the facilitation of the extinction of fear-conditioned memory have been elucidated in animals, these effects have not been clearly confirmed in humans. OBJECTIVE:This study aimed to determine the effect of DCS (100 mg) and VPA (400 mg) ...

journal_title：Psychopharmacology

authors： Kuriyama K,Honma M,Soshi T,Fujii T,Kim Y

更新日期：2011-12-01 00:00:00

abstract：RATIONALE:Several previous neuroendocrine studies have demonstrated reduced 5-HT1A receptor function in major depressive disorder (MDD). However, hypercortisolaemia or previous drug treatment may have been significant confounds. OBJECTIVES:To replicate previous studies in subjects with MDD who had been drug free for a...

journal_title：Psychopharmacology

authors： Porter RJ,Gallagher P,Watson S,Smith MS,Young AH

更新日期：2003-08-01 00:00:00

abstract：:Ten behavioural variables were recorded by means of an automatic holeboard apparatus. The behaviour of rats placed for the first time in the apparatus was recorded for 10 min. The suppression of this exploratory behaviour by the dopamine agonist apomorphine (0.01-0.1 mg/kg) was shown to be reversible in a surmountable...

journal_title：Psychopharmacology

authors： Ståhle L,Ungerstedt U

更新日期：1989-01-01 00:00:00

abstract：:Food intake of four adult male baboons (Papio c. anubis) was monitored during daily experimental sessions lasting 22 h. Food was available under a two-component operant schedule. Following completion of the first "procurement component" response requirement, access to food, i.e., a meal, became available under the sec...

journal_title：Psychopharmacology

authors： Foltin RW,Fischman MW,Byrne MF

更新日期：1989-01-01 00:00:00

abstract：:This study examined the effects of intrahippocampal injections of scopolamine (a muscarinic antagonist drug) on performance of a working-memory task (contingently reinforced T-maze alternation) and a reference-memory task (visual discrimination) by the same rats in the same maze. Rats in the first shipment were traine...

journal_title：Psychopharmacology

authors： Brito GN,Davis BJ,Stopp LC,Stanton ME

更新日期：1983-01-01 00:00:00

abstract：:The daily fluid intake of male Wistar rats with simultaneous access to 6% ethanol and water was determined during a baseline period (1 week), following adrenalectomy (1 week) and for 3 weeks following SC implantation of hormone pellets containing corticosterone (CORT) or dexamethasone (DEX). Ethanol consumption droppe...

journal_title：Psychopharmacology

authors： Fahlke C,Hård E,Eriksson CJ,Engel JA,Hansen S

更新日期：1995-01-01 00:00:00

abstract：:The effects of monoamine oxidase inhibitors (MAOIs) that selectively inhibit the MAO-A or MAO-B forms of MAO were studied in rats performing under a differential-reinforcement-of-low-rate 72-s (DRL 72-s) schedule of reinforcement. Clorgyline and CGP11'305A, irreversible and reversible MAO-A inhibitors, respectively, i...

journal_title：Psychopharmacology

authors： Marek GJ,Seiden LS

更新日期：1988-01-01 00:00:00

abstract：:Systemic administration of RB 101, a complete inhibitor of the enkephalin degrading enzymes, has been reported to induce naltrindole-reversed antidepressant-like effects in the conditioned suppression of motility (CSM) test in mice. The selective CCKB antagonist L-365,260 also elicits the same naltrindole-blocked resp...

journal_title：Psychopharmacology

authors： Smadja C,Maldonado R,Turcaud S,Fournie-Zaluski MC,Roques BP

更新日期：1995-08-01 00:00:00

abstract：RATIONALE:Selective attention deficit, characterised by the inability to differentiate relevant from irrelevant information, is considered to underlie many cognitive deficits of schizophrenia, and appears to be only marginally responsive to treatment with current antipsychotics. OBJECTIVES:We compared the activity of ...

journal_title：Psychopharmacology

authors： Terranova JP,Chabot C,Barnouin MC,Perrault G,Depoortere R,Griebel G,Scatton B

更新日期：2005-08-01 00:00:00

abstract：RATIONALE:A subset of male rats that self-administer 3,4-methylenedioxypyrovalerone (MDPV) have unusually high levels of drug intake; however, factor(s) that influence this behavior (e.g., reinforcement history and sex) are unknown. OBJECTIVES:Characterize the reinforcing potency and effectiveness of MDPV in female ra...

journal_title：Psychopharmacology

authors： Doyle MR,Sulima A,Rice KC,Collins GT

更新日期：2020-11-24 00:00:00

abstract：RATIONALE:Animal models of alcohol-seeking are useful for understanding alcohol addiction and for treatment development, but throughput in these models is limited by the extensive pretraining required to overcome the aversive taste of ethanol. Work by Augier et al. (Psychopharmacology 231: 4561-4568, 2014) indicates th...

journal_title：Psychopharmacology

authors： Puaud M,Ossowska Z,Barnard J,Milton AL

更新日期：2018-04-01 00:00:00

abstract：:Methadone as the most prevalent opioid substitution medication has been shown to influence the neurophysiological functions among heroin addicts. However, there is no firm conclusion on acute neuroelectrophysiological changes among methadone-treated subjects as well as the effectiveness of methadone in restoring brain...

journal_title：Psychopharmacology

authors： Motlagh F,Ibrahim F,Rashid R,Shafiabady N,Seghatoleslam T,Habil H

更新日期：2018-11-01 00:00:00

abstract：:Two studies were conducted to replicate and extend previous demonstrations of smoking-induced, dose-related reports of euphoria, and to confirm this relationship using measures of plasma nicotine. In experiment 1, overnight-deprived subjects, in three different sessions, smoked ultralow-, high-nicotine, and usual-bran...

journal_title：Psychopharmacology

authors： Pomerleau CS,Pomerleau OF

更新日期：1992-01-01 00:00:00

abstract：BACKGROUND:It has recently been shown that acute alcohol globally impairs 'prospective memory' (PM)-remembering to do something in the future (Leitz et al. in Psychopharmacology 205:379-387, 2009). In healthy, sober individuals, simulating future events at encoding enhances PM performance. AIMS:We therefore aimed to d...

journal_title：Psychopharmacology

authors： Paraskevaides T,Morgan CJ,Leitz JR,Bisby JA,Rendell PG,Curran HV

更新日期：2010-02-01 00:00:00

abstract：RATIONALE:Alcohol intoxication can dampen negative affective reactions to stressors. Recently, it has been proposed that these acute anxiolytic effects of alcohol may extend to dampening of negative affective reactions to error commission during cognitive control tasks. Nonetheless, empirical verification of this claim...

journal_title：Psychopharmacology

authors： Cofresí RU,Bartholow BD

更新日期：2020-11-01 00:00:00

abstract：:The purpose of this study was to investigate the developmental differences in seizure susceptibility in mice and the roles of the histaminergic neuron system in inhibition of convulsions in development. First, we studied developmental differences in electrically-induced seizures. Since the 14-day-old mice showed a dif...

journal_title：Psychopharmacology

authors： Yokoyama H,Onodera K,Iinuma K,Watanabe T

更新日期：1993-01-01 00:00:00

abstract：:Twelve healthy male volunteers took part in a double-blind randomised cross-over study composed of three treatment sessions: remoxipride 100 mg; remoxipride 100 mg plus biperiden 4 mg; and biperiden 4 mg. Plasma and urine concentrations of remoxipride and biperiden, plasma prolactin levels, salivary flow and adverse e...

journal_title：Psychopharmacology

authors： Yisak W,Farde L,von Bahr C,Nilsson LB,Fredriksson G,Ogenstad S

更新日期：1993-01-01 00:00:00

abstract：RATIONALE:The cAMP-dependent protein kinase A (PKA) signaling transduction pathway has been shown to play an important role in the modulation of several ethanol-induced behaviors. Different studies have demonstrated intracellular calcium (Ca(2+))-dependent activation of the PKA cascade after ethanol administration. Thu...

journal_title：Psychopharmacology

authors： Baliño P,Ledesma JC,Aragon CM

更新日期：2014-12-01 00:00:00

abstract：RATIONALE:Results from clinical studies have shown that topiramate effectively reduces alcohol consumption in a population of heavy-drinking alcohol-dependent humans. OBJECTIVES:We undertook this preclinical study in order to establish topiramate's efficacy in a rodent model and to determine whether topiramate's effic...

journal_title：Psychopharmacology

authors： Breslin FJ,Johnson BA,Lynch WJ

更新日期：2010-01-01 00:00:00