Comparison of the effects of clonidine and yohimbine on spontaneous pupillary fluctuations in healthy human volunteers.

abstract：:The effects of benzodiazepine (triazolam 0.25 and 0.50 mg) on different aspects of cognitive function were assessed. Triazolam impaired free recall and recognition of information presented after drug administration. In contrast to these impairments in explicit memory, a memory function that did not require conscious a...

journal_title：Psychopharmacology

authors： Weingartner HJ,Hommer D,Lister RG,Thompson K,Wolkowitz O

更新日期：1992-01-01 00:00:00

abstract：RATIONALE:The touchscreen continuous trial-unique non-matching-to-location task (cTUNL) has been developed to optimise a battery of tasks under NEWMEDS (Novel Methods leading to New Medication in Depression and Schizophrenia, http://www.newmeds-europe.com ). It offers novel task features of both a practical and a theor...

journal_title：Psychopharmacology

authors： Oomen CA,Hvoslef-Eide M,Kofink D,Preusser F,Mar AC,Saksida LM,Bussey TJ

更新日期：2015-11-01 00:00:00

abstract：:The effects of clozapine (CLOZ) upon acquired schedule-induced polydipsia in rats were compared to the effects of the dopamine (DA) D1 antagonist SCH 23390 (SCH) and the DA D2 antagonist raclopride (RAC). All three compounds suppressed water consumption, but only SCH and RAC decreased drinking efficiency. SCH was the ...

journal_title：Psychopharmacology

authors： Didriksen M,Olsen GM,Christensen AV

更新日期：1993-01-01 00:00:00

abstract：RATIONALE:Perospirone is a novel second-generation antipsychotic drug with high affinity to dopamine D(2) receptor and short half-life of plasma concentration. There has been no investigation of dopamine D(2) receptor occupancy in patients with schizophrenia and the time course of occupancy by antipsychotics with peros...

journal_title：Psychopharmacology

authors： Arakawa R,Ito H,Takano A,Okumura M,Takahashi H,Takano H,Okubo Y,Suhara T

更新日期：2010-05-01 00:00:00

abstract：:The novel dopamine autoreceptor antagonists (-)-DS 121 and (+)-UH 232 were tested for their ability to alter cocaine self-administration behavior in rats reinforced on a progressive ratio (PR) schedule. (-)-DS 121 (15 mg/kg) and (+)-UH 232 (30 mg/kg) produced significant decreases in breaking point. (-)-DS 121 produce...

journal_title：Psychopharmacology

authors： Smith A,Piercey M,Roberts DC

更新日期：1995-07-01 00:00:00

abstract：RATIONALE:Drugs that rapidly increase dopamine levels have an increased risk of abuse. Dasotraline (DAS) is a dopamine and norepinephrine reuptake inhibitor characterized by slow oral absorption with low potential for abuse. However, it remains unclear whether intravenous (i.v.) administration would facilitate the rapi...

journal_title：Psychopharmacology

authors： Lew R,Constantinescu CC,Holden D,Carson RE,Carroll V,Galluppi G,Koblan KS,Hopkins SC

更新日期：2020-11-01 00:00:00

abstract：RATIONALE:Cue avoidance training (CAT) reduces alcohol consumption in the laboratory. However, the neural mechanisms that underlie the effects of this intervention are poorly understood. OBJECTIVES:The present study investigated the effects of a single session of CAT on event-related and readiness potentials during pr...

journal_title：Psychopharmacology

authors： Di Lemma LCG,Stancak A,Soto V,Fallon N,Field M

更新日期：2020-05-01 00:00:00

abstract：INTRODUCTION:Dysfunction of brain dopamine systems is involved in various neuropsychiatric disorders. Challenge studies with dopamine receptor agonists have been performed to assess dopamine receptor functioning, classically using the release of growth hormone (GH) from the hindbrain as primary outcome measure. The obj...

journal_title：Psychopharmacology

authors： Schellekens AF,Grootens KP,Neef C,Movig KL,Buitelaar JK,Ellenbroek B,Verkes RJ

更新日期：2010-01-01 00:00:00

abstract：RATIONALE:Several antipsychotic drugs are metabolised by the polymorphic cytochrome P(450) CYP2D6. The impact of the polymorphism on the plasma levels and the occurrence of side effects have not been clearly established. OBJECTIVE:To investigate the impact of the CYP2D6 polymorphism on the steady-state plasma concentr...

journal_title：Psychopharmacology

authors： Jaanson P,Marandi T,Kiivet RA,Vasar V,Vään S,Svensson JO,Dahl ML

更新日期：2002-06-01 00:00:00

abstract：:Single oral and intramuscular (i.m.) doses of imipramine (IMI) were administered to four normal males. Serum and urine concentrations of IMI, desipramine (DMI) and their unconjugated 2-hydroxy metabolites were measured by high-pressure liquid chromatography (HPLC). Urinary conjugated 2-hydroxy metabolites were also me...

journal_title：Psychopharmacology

authors： Sutfin TA,DeVane CL,Jusko WJ

更新日期：1984-01-01 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：RATIONALE:Although the subjective effects of caffeine abstinence, acute and chronic administration, and tolerance are well described, the corresponding neurophysiological effects are not. OBJECTIVES:Caffeine withdrawal, acute caffeine effects, caffeine tolerance, and net beneficial effects of chronic caffeine administ...

journal_title：Psychopharmacology

authors： Sigmon SC,Herning RI,Better W,Cadet JL,Griffiths RR

更新日期：2009-07-01 00:00:00

abstract：:Clonidine is a clinically used antihypertensive which has been suggested to produce physiological changes in children after exposure in utero. The aim of our study was to test the hypothesis that chronic exposure of the developing brain to an alpha 2-adrenergic agonist like clonidine would influence the adult neuroche...

journal_title：Psychopharmacology

authors： Feenstra MG,van Galen H,Boer GJ

更新日期：1992-01-01 00:00:00

abstract：RATIONALE:Partial dopamine receptor agonists have been proposed as candidate pharmacotherapies for cocaine dependence. OBJECTIVE:This 42-day, within-subject, human laboratory study assessed how maintenance on aripiprazole, a partial D(2) receptor agonist, influenced smoked cocaine self-administration, cardiovascular m...

journal_title：Psychopharmacology

authors： Haney M,Rubin E,Foltin RW

更新日期：2011-08-01 00:00:00

abstract：INTRODUCTION:Dopamine D2 receptor occupancy levels needed for the maintenance treatment of schizophrenia remain to be elucidated. We examined 3-year clinical outcomes of patients with schizophrenia who received long-acting injectable risperidone (LAI risperidone) at baseline and investigated their dopamine D2 receptor ...

journal_title：Psychopharmacology

authors： Ikai S,Suzuki T,Mimura M,Uchida H

更新日期：2016-12-01 00:00:00

abstract：OBJECTIVES:To investigate the relationship between benzodiazepine and risk of developing pneumonia in patients with schizophrenia, whose benzodiazepine dosage and usage frequency was higher than that of the general population. METHODS:We conducted a nested case-control study to assess the association between benzodiaz...

journal_title：Psychopharmacology

authors： Cheng SY,Chen WY,Liu HC,Yang TW,Pan CH,Yang SY,Kuo CJ

更新日期：2018-11-01 00:00:00

abstract：:The benzodiazepine diazepam and the benzodiazepine antagonist Ro 15-1788 were tested alone or in combination for their influence on scopolamine-induced locomotor stimulation in mice. The benzodiazepine antagonist had no effect by itself, but prevented the enhancement of scopolamine-induced locomotor stimulation produc...

journal_title：Psychopharmacology

authors： Sansone M

更新日期：1982-01-01 00:00:00

abstract：:The antagonist effects of clocinnamox were evaluated against opioid agonists, acting at mu, kappa and delta-receptors, in rhesus monkeys (n = 3-4) responding under a fixed-ratio 30 (FR 30) schedule for food delivery. Clocinnamox (0.032-0.1 mg/kg) dose-dependently antagonized fentanyl (0.001-0.32 mg/kg) after either a ...

journal_title：Psychopharmacology

authors： Butelman ER,Negus SS,Lewis JW,Woods JH

更新日期：1996-02-01 00:00:00

abstract：RATIONALE:Central cannabinoid systems have been implicated in appetite regulation through the hyperphagic effects of exogenous and endogenous cannabinoids. These effects may involve activation of reward systems and be mediated in part by opioidergic processes. OBJECTIVE:Cannabinoid-opioid interactions in feeding were ...

journal_title：Psychopharmacology

authors： Kirkham TC,Williams CM

更新日期：2001-01-01 00:00:00

abstract：RATIONALE:Endogenous opioid systems within the mesencephalic periaqueductal gray matter (PAG) appear to be intricately involved in many affective, defensive, submissive, and reflexive responses, and these systems are activated by aversive stimuli. OBJECTIVES:The present experiments evaluated the influence of opioid re...

journal_title：Psychopharmacology

authors： Vivian JA,Miczek KA

更新日期：1999-09-01 00:00:00

abstract：RATIONALE:Toluene exposure during brain growth spurt has been shown to elevate the seizure susceptibility induced by N-methyl-D: -aspartate (NMDA). In the present study, behavioral responses to NMDA antagonists were studied to determine whether neonatal toluene exposure produces residual deficits in the NMDA glutamater...

journal_title：Psychopharmacology

authors： Chien TH,Chan MH,Tang YC,Chen HH

更新日期：2005-11-01 00:00:00

abstract：RATIONALE:Clinical data with 3,4-methylenedioxymethamphetamine (MDMA) in post-traumatic stress disorder (PTSD) patients recently stimulated interest on the potential therapeutic use of psychedelics in disorders characterized by maladaptive memories, including substance use disorders (SUD). The rationale for the use of ...

journal_title：Psychopharmacology

authors： Fattore L,Piva A,Zanda MT,Fumagalli G,Chiamulera C

更新日期：2018-02-01 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：:Naloxone, an opioid receptor antagonist, attenuates a wide range of behavioral effects of d-amphetamine, such as the stimulation of motor activity. To investigate the pharmacological selectivity of the naloxone/amphetamine interaction, we assessed the effects of naloxone (5.0 mg/kg SC) upon motor activity induced in r...

journal_title：Psychopharmacology

authors： Jones DN,Holtzman SG

更新日期：1994-03-01 00:00:00

abstract：RATIONALE:Acute physical dependence refers to the withdrawal syndrome precipitated by an opioid antagonist administered several hours after either a single dose or a short-term infusion of an opioid agonist. OBJECTIVES:We examined the mechanism of nicotine-induced attenuation of naloxone-precipitated withdrawal syndro...

journal_title：Psychopharmacology

authors： Araki H,Kawakami KY,Jin C,Suemaru K,Kitamura Y,Nagata M,Futagami K,Shibata K,Kawasaki H,Gomita Y

更新日期：2004-02-01 00:00:00

abstract：RATIONALE:In patients, ketamine is a fast-acting antidepressant that can induce long-lasting symptom relief. Similar rapid effects have been reported in rodents, but reports of lasting effects are limited. OBJECTIVES:We sought to extend past findings by examining dose-response curves that overlap with the individual d...

journal_title：Psychopharmacology

authors： Bechtholt-Gompf AJ,Smith KL,John CS,Kang HH,Carlezon WA Jr,Cohen BM,Ongür D

更新日期：2011-06-01 00:00:00

abstract：RATIONALE:Cocaine (COC), ethanol (EtOH), and methamphetamine (MA) are widely abused substances and share the ability to induce behavioral stimulation in mice and humans. Understanding the biological basis of behavioral stimulation to COC, EtOH, and MA may provide a greater understanding of drug and alcohol abuse. OBJE...

journal_title：Psychopharmacology

authors： Kamens HM,Phillips TJ

更新日期：2008-02-01 00:00:00

abstract：OBJECTIVES:The present study investigates the effects of injections of a specific N-methyl-D-aspartic acid (NMDA) antagonist 3-[(R)-2-carboxypiperazin-4-yl]-propyl-1-phophonic acid (CPP) into the prefrontal cortex (PFC) on the extracellular concentrations of dopamine and acetylcholine in the nucleus accumbens (NAc) and...

journal_title：Psychopharmacology

authors： Del Arco A,Segovia G,Mora F

更新日期：2008-12-01 00:00:00

abstract：:Metergoline given IP reduced the response to noxious stimulation in the mouse formalin test. Tolerance to this effect developed after a chronic treatment schedule consisting of ten daily injections of 5 mg/kg. Twenty four hours after the last injection a test dose of metergoline (2.5 mg/kg) reduced the licking time in...

journal_title：Psychopharmacology

authors： Fasmer OB,Berge OG,Hole K

更新日期：1987-01-01 00:00:00

abstract：RATIONALE:Microinjections of ethanol and acetaldehyde into ventral tegmental area (VTA) produce locomotor activation in rats through mechanisms dependent on the mu-opioid receptors. However, it is not clear how these drugs can interact with these receptors. It has been hypothesized that salsolinol could be the responsi...

journal_title：Psychopharmacology

authors： Hipólito L,Sánchez-Catalán MJ,Zornoza T,Polache A,Granero L

更新日期：2010-03-01 00:00:00