Separation of the convulsions and antidepressant-like effects produced by the delta-opioid agonist SNC80 in rats.

abstract：:In previous research, sensitization of stereotypy induced by injections of 2.5 mg/kg amphetamine did not interfere with subsequent tolerance development to the hypophagic effect of 2 mg/kg. This study examined the effect of a higher sensitizing dose. Rats given intermittent injections of 5 mg/kg amphetamine and then c...

journal_title：Psychopharmacology

authors： Hughes KM,Popi L,Wolgin DL

更新日期：1998-12-01 00:00:00

abstract：:The i.v. pentylenetetrazol seizure threshold was increased by 2.5 mg/kg and decreased by 15 mg/kg of a single (+)-amphetamine dose. After 7 consecutive days of amphetamine administration, tolerance developed to the decrease but not to the increase in seizure threshold. At 12--48 h after the last dose of 2.5 mg/kg seiz...

journal_title：Psychopharmacology

authors： Riffee WH,Gerald MC

更新日期：1977-01-31 00:00:00

abstract：RATIONALE:Asenapine, a psychopharmacologic agent developed for schizophrenia and bipolar disorder, has higher affinity for 5-HT(2A/C,6,7) and alpha(2) adrenergic receptors than for D(2) receptors. Asenapine exhibits potent antipsychotic-like effects without inducing catalepsy, increases cortical and subcortical dopamin...

journal_title：Psychopharmacology

authors： Frånberg O,Marcus MM,Ivanov V,Schilström B,Shahid M,Svensson TH

更新日期：2009-06-01 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：:The development of tolerance to the behavioral and biochemical effects of ethanol was studied. Rats were made tolerant to ethanol by the administration of daily ethanol injections (3 g/kg, IP) for 7 and 28 days. Tolerance developed both to the behavioral (hypothermic, sedative) and biochemical (accumulation of dopamin...

journal_title：Psychopharmacology

authors： Liljequist S,Ekman A,Snape B,Söderpalm B,Engel JA

更新日期：1990-01-01 00:00:00

abstract：:The administration of trycyclic antidepressants followed by reserpine-like drugs elicits a pattern of stereotyped locomotor activity. Using desmethylimipramine (DMI) followed by tetrabenazine (TBZ), activity could be reliably elicited only in young rats, and only by using very high doses of TBZ. The latency of onset o...

journal_title：Psychopharmacology

authors： Willner P,Clark D

更新日期：1978-06-15 00:00:00

abstract：:The ventral tegmental area (VTA) evaluates salience of environmental stimuli and provides dopaminergic innervation to many brain areas affected by acute and chronic ethanol exposure. While primarily associated with rewarding and reinforcing stimuli, recent evidence indicates a role for the VTA in aversion as well. Eth...

journal_title：Psychopharmacology

authors： You C,Vandegrift B,Brodie MS

更新日期：2018-06-01 00:00:00

abstract：:NCQ 298 ((S)-3-iodo-N-[(l-ethyl-2-pyrrolidinyl)methyl]-5,6- dimethoxysalicylamide) has an iodine substituent. We have labelled NCQ 298 with 123I and 125I, and used the radioligands as tracers in receptor studies in vitro, in vivo in autoradiography and in SPECT studies on Cynomolgus monkeys. [125I]NCQ 298 bound in vit...

journal_title：Psychopharmacology

authors： Hall H,Högberg T,Halldin C,Köhler C,Ström P,Ross SB,Larsson SA,Farde L

更新日期：1991-01-01 00:00:00

abstract：:Red blood cell (RBC) glycine levels were examined in 27 bipolar patients, treated with lithium carbonate for a minimum of 8 months, who were either hypomanic, depressed, or euthymic in their mood. We found no difference in the RBC glycine or in the RBC: plasma glycine ratio between the hypomanic, depressed, or euthymi...

journal_title：Psychopharmacology

authors： Peselow ED,Deutsch SI,Stanley M,Banay-Schwartz M,Virgilio J,Fieve RR

更新日期：1982-01-01 00:00:00

abstract：RATIONALE:The development and validation of animal models of the cognitive impairments of schizophrenia have remained challenging subjects. OBJECTIVE:We review evidence from a series of experiments concerning an animal model that dissociates between the disruption of attentional capacities during acute illness periods...

journal_title：Psychopharmacology

authors： Sarter M,Martinez V,Kozak R

更新日期：2009-01-01 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：RATIONALE:Certain disorders, such as depression and anxiety, to which serotonin dysfunction is historically associated, are also associated with lower assessments of other people's trustworthiness. Serotonergic changes are known to alter cognitive responses to threatening stimuli. This effect may manifest socially as r...

journal_title：Psychopharmacology

authors： Simonsen A,Scheel-Krüger J,Jensen M,Roepstorff A,Møller A,Frith CD,Campbell-Meiklejohn D

更新日期：2014-07-01 00:00:00

abstract：RATIONALE:The purpose of the present investigation was to evaluate the effects of the D3 agonist (+/-)-7-hydroxy-dipropylaminotetralin (7-OH-DPAT), various dopamine (DA) agonists and DA antagonists on the antinociceptive effects of mu opioids. METHODS:Antinociception was assessed using a warm-water tail-withdrawal pro...

journal_title：Psychopharmacology

authors： Cook CD,Rodefer JS,Picker MJ

更新日期：1999-06-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The mechanisms underlying relapse to cocaine seeking induced by exposure to priming cocaine injections, cues associated with cocaine self-administration and environmental stressors have been studied in rats. Here we describe a reinstatement method for studying relapse to cocaine seeking in mice...

journal_title：Psychopharmacology

authors： Highfield DA,Mead AN,Grimm JW,Rocha BA,Shaham Y

更新日期：2002-06-01 00:00:00

abstract：RATIONALE:2-Bromoterguride, a dopamine D2 receptor partial agonist with antagonist properties at serotonin 5-HT2A receptors and α2C-adrenoceptors, meets the prerequisites of a putative atypical antipsychotic drug (APD). We recently showed that 2-bromoterguride is effective in tests of positive symptoms of schizophrenia...

journal_title：Psychopharmacology

authors： Tarland E,Franke RT,Fink H,Pertz HH,Brosda J

更新日期：2018-01-01 00:00:00

abstract：:The sensitivity of the dopaminergic hypothalamic pituitary system, as indicated by growth hormone (GH) release after apomorphine (0.5 mg SC), was studied in 11 chronic schizophrenic in-patients under long-term neuroleptic (NL) therapy and after 12 and 30 days' drug withdrawal. GH peak levels after a 12-day drug-free p...

journal_title：Psychopharmacology

authors： Müller-Spahn F,Ackenheil M,Albus M,May G,Naber D,Welter D,Zander K

更新日期：1984-01-01 00:00:00

abstract：:The present study was conducted to determine whether methadone maintenance alters the pharmacodynamic effects of single doses of cocaine. Twenty-two current users of IV cocaine who were not seeking treatment for their illicit cocaine use participated while living on a research unit. Eleven were maintained on methadone...

journal_title：Psychopharmacology

authors： Preston KL,Sullivan JT,Strain EC,Bigelow GE

更新日期：1996-01-01 00:00:00

abstract：:Rats that are placed in a novel environment containing a probe will explore the environment and the probe. Exploration of the probe is reduced when the probe is electrified. We here report that chlordiazepoxide blocks this inhibition, and have determined some of the pharmacological features of this new experimental pr...

journal_title：Psychopharmacology

authors： Meert TF,Colpaert FC

更新日期：1986-01-01 00:00:00

abstract：RATIONALE:We previously demonstrated that the addition of the selective norepinephrine reuptake inhibitor reboxetine attenuates olanzapine-induced weight gain. Using the same study sample, we also sought to determine whether reboxetine's weight-attenuating effect was accompanied by a beneficial effect on metabolic and ...

journal_title：Psychopharmacology

authors： Amrami-Weizman A,Maayan R,Gil-Ad I,Pashinian A,Fuchs C,Kotler M,Poyurovsky M

更新日期：2013-11-01 00:00:00

abstract：RATIONALE:The experience of strong traumata leads to the formation of enduring fear memories that may degenerate into post-traumatic stress disorder. One of the most successful treatments for this condition consists of extinction training during which the repeated exposure to trauma-inducing stimuli in a safe environme...

journal_title：Psychopharmacology

authors： Silva BA,Burns AM,Gräff J

更新日期：2019-01-01 00:00:00

abstract：RATIONALE:Buprenorphine is a partial mu opioid agonist under development as a sublingual (SL) medication for opioid dependence treatment in the United States. Because buprenorphine may be abused, tablets combining buprenorphine with naloxone in a 4:1 ratio have been developed to reduce that risk. Low doses of injected ...

journal_title：Psychopharmacology

authors： Stoller KB,Bigelow GE,Walsh SL,Strain EC

更新日期：2001-03-01 00:00:00

abstract：:The purpose of this study was to determine if multiple aspects of drug and food-reinforced behavior could be measured in a single study. Drug or food seeking can be observed under four conditions: 1) internal drug or food cues and external stimulus cues present; self-administration, 2) only internal cues present; prim...

journal_title：Psychopharmacology

authors： Foltin RW,Evans SM

更新日期：1997-08-01 00:00:00

abstract：:Bromocriptine (0.5-6.0 mg/day) was administered to seven unmedicated chronic schizophrenic and two schizoaffective patients. Transient slight improvement was noted in four patients and marked improvement in one other. Clinical improvement was associated with nausea and drowsiness. These doses of bromocriptine stimulat...

journal_title：Psychopharmacology

authors： Meltzer HY,Kolakowska T,Robertson A,Tricou BJ

更新日期：1983-01-01 00:00:00

abstract：:After initial exposure to 80 mg/kg, pigeons trained on a two-key drug discrimination procedure rapidly learned to discriminate 120 mg/kg ethosuximide from saline. When 40-160 mg/kg doses of ethosuximide were administered during generalization tests, the percentage of responses directed to the ethosuximide-appropriate ...

journal_title：Psychopharmacology

authors： Clark RD,Schlinger H,Poling A

更新日期：1987-01-01 00:00:00

abstract：RATIONALE:Indirect-acting serotonin (5-HT) receptor agonists can enhance the antinociceptive effects of morphine; however, the specific 5-HT receptor subtype(s) mediating this enhancement is not established. OBJECTIVE:This study examined interactions between morphine and both 5-HT(1A) and 5-HT(2A) receptor agonists in...

journal_title：Psychopharmacology

authors： Li JX,Shah AP,Patel SK,Rice KC,France CP

更新日期：2013-02-01 00:00:00

abstract：:Two 2-(di-n-propylamino)tetralin (DPAT) compounds, 8-OH-DPAT and 5-OH-DPAT, with reported effects on central 5-HT and DA receptors respectively, were tested for their effects on the acoustic startle response in rats. 8-OH-DPAT was given in doses of 0.25-2.0 mg/kg IP and 5-OH-DPAT in doses of 1.0-8.0 mg/kg IP. Both com...

journal_title：Psychopharmacology

authors： Svensson L,Ahlenius S

更新日期：1983-01-01 00:00:00

abstract：RATIONALE:Repeated social stress experiences engender "behavioral sensitization" and may also increase the potential for abuse of psychomotor stimulants, particularly cocaine use during "binges." OBJECTIVE:Experimental protocols were designed to induce behavioral sensitization through exposures to social-defeat stress...

journal_title：Psychopharmacology

authors： Covington HE 3rd,Miczek KA

更新日期：2001-12-01 00:00:00

abstract：RATIONALE:Vasopressin (AVP) plays a role in regulating anxiety, which is thought to be partially mediated through the V1a receptor. Recently, JNJ-17308616 was identified as a V1a antagonist. OBJECTIVES:The purpose of this work was to assess V1a receptor affinity and selectivity of JNJ-17308616 and in vivo efficacy in ...

journal_title：Psychopharmacology

authors： Bleickardt CJ,Mullins DE,Macsweeney CP,Werner BJ,Pond AJ,Guzzi MF,Martin FD,Varty GB,Hodgson RA

更新日期：2009-03-01 00:00:00

abstract：:Neuroimaging has been identified as a potentially powerful probe for the in vivo study of drug effects on the brain with utility across several phases of drug development spanning preclinical and clinical investigations. Specifically, neuroimaging can provide insight into drug penetration and distribution, target enga...

journal_title：Psychopharmacology

authors： Doyle OM,Mehta MA,Brammer MJ

更新日期：2015-11-01 00:00:00

abstract：RATIONALE:An important goal of addiction research is to discover neurobiological markers that could predict the severity of addiction and help to determine appropriate treatment. Brain-derived neurotrophic factor (BDNF) and thiobarbituric acid reactive substances (TBARS) are being related to cerebral plasticity and imp...

journal_title：Psychopharmacology

authors： Sordi AO,Pechansky F,Kessler FH,Kapczinski F,Pfaffenseller B,Gubert C,de Aguiar BW,de Magalhães Narvaez JC,Ornell F,von Diemen L

更新日期：2014-10-01 00:00:00