The effect of L-dopa and propranolol on human CSF cyclic nucleotides.

abstract：RATIONALE:The α7 nicotinic acetylcholine receptor (nAChR) has been implicated as a target in modulating nicotine reward. However, the effect of pharmacological agents that have been shown to alter the channel properties of the α7 nAChR is not well understood in nicotine reward. OBJECTIVES:This study aimed to investiga...

journal_title：Psychopharmacology

authors： Jackson A,Alkhlaif Y,Papke RL,Brunzell DH,Damaj MI

更新日期：2019-12-01 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：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：RATIONALE:Schizophrenia is a complex psychiatric disorder comprised of three main classes of symptoms: positive, negative and cognitive symptoms. Currently, no approved treatment exists for the cognitive symptoms. There is thus a great need for research aiming at identifying novel targets for treatment of this indicati...

journal_title：Psychopharmacology

authors： Damgaard T,Plath N,Neill JC,Hansen SL

更新日期：2011-03-01 00:00:00

abstract：:Chronic nicotine infusion has been found in a series of studies in our laboratory to significantly improve choice accuracy of rats in the eight-arm radial maze. The current study was designed to compare the effects of chronic nicotine infusion on working and reference memory in a 16-arm radial maze. Nicotine was admin...

journal_title：Psychopharmacology

authors： Levin ED,Kim P,Meray R

更新日期：1996-09-01 00:00:00

abstract：RATIONALE:Stimulant medications for attention-deficit/hyperactivity disorder (ADHD) in adolescents remain controversial with respect to later development of cocaine abuse. Past research demonstrated that adolescent methylphenidate treatment increased several aspects of cocaine self-administration during adulthood using...

journal_title：Psychopharmacology

authors： Jordan CJ,Lemay C,Dwoskin LP,Kantak KM

更新日期：2016-12-01 00:00:00

abstract：:Low doses of 8-OH-DPAT (62.5-250 micrograms/kg) were reinforcing in the place preference conditioning procedure, while a higher dose (1 mg/kg) supported a conditioned place aversion. The 5-HT synthesis inhibitor PCPA, and the DA antagonists pimozide and sulpiride, had no effect when administered alone, but abolished t...

journal_title：Psychopharmacology

authors： Papp M,Willner P

更新日期：1991-01-01 00:00:00

abstract：:We have studied striatal D2 dopamine binding in schizophrenic patients treated with the novel atypical antipsychotic drug, olanzapine. 123I iodobenzamide (IBZM) single photon emission tomography (SPET) was used to estimate striatal dopamine D2 receptor binding in vivo. Patients were recruited from a prospective, doubl...

journal_title：Psychopharmacology

authors： Pilowsky LS,Busatto GF,Taylor M,Costa DC,Sharma T,Sigmundsson T,Ell PJ,Nohria V,Kerwin RW

更新日期：1996-03-01 00:00:00

abstract：RATIONALE:Accumulating evidence for the presence of GABA(A) ρ receptors within the amygdala which differ from other members of the GABA(A) receptor family in both subunit composition and functional properties has been recently obtained. OBJECTIVES:This work was conducted to study whether GABA(A) ρ receptors may have a...

journal_title：Psychopharmacology

authors： Flores-Gracia C,Nuche-Bricaire A,Crespo-Ramírez M,Miledi R,Fuxe K,Pérez de la Mora M

更新日期：2010-12-01 00:00:00

abstract：RATIONALE:The cholinergic system is linked extensively to memory, but its exact role remains controversial. In particular, scopolamine-induced impairment in rodents is not task specific, which may be due to difficulty in developing rodent protocols to assess deficits in recent memory, in which the remembered event is b...

journal_title：Psychopharmacology

authors： Araujo JA,Chan AD,Winka LL,Seymour PA,Milgram NW

更新日期：2004-08-01 00:00:00

abstract：RATIONALE:Investigations of the neural consequences of the effects of cocaine on cognition have centered on specific brain circuits including prefrontal cortex, medial temporal lobe and striatum and their roles in controlling drug dependent behavior and addiction. These regions are critical to many aspects of drug abus...

journal_title：Psychopharmacology

authors： Hampson RE,Porrino LJ,Opris I,Stanford T,Deadwyler SA

更新日期：2011-01-01 00:00:00

abstract：RATIONALE:Antidepressants (ADs) are slow to produce their therapeutic effect. This long latency promotes the development of new strategies to short their onset of action. Previous reports indicated that 17beta-estradiol (E(2)) promotes the antidepressant-like activity of fluoxetine (FLX) and desipramine (DMI) in the fo...

journal_title：Psychopharmacology

authors： Estrada-Camarena E,Rivera NM,Berlanga C,Fernández-Guasti A

更新日期：2008-12-01 00:00:00

abstract：:Triadimefon is a triazole fungicide that produces hyperactivity in both mice and rats similar to that seen following administration of compounds with catecholaminergic activity (e.g., d-amphetamine). To determine whether the triadimefon-induced hyperactivity is due to an action on CNS catecholaminergic systems, we eva...

journal_title：Psychopharmacology

authors： Crofton KM,Boncek VM,MacPhail RC

更新日期：1989-01-01 00:00:00

abstract：RATIONALE:Although most opioid self-administration research has been conducted with laboratory animals, such research with humans is necessary to answer questions unique to human drug-taking behavior. OBJECTIVE:We investigated the influence of morphine dose and an alternative non-drug reinforcer on choice between morp...

journal_title：Psychopharmacology

authors： Heishman SJ,Schuh KJ,Schuster CR,Henningfield JE,Goldberg SR

更新日期：2000-02-01 00:00:00

abstract：RATIONALE:Little is known about patterns of opiate use by heroin addicts. OBJECTIVES:To describe opiate use over time among heroin addicts who had access to legally prescribed intravenous heroin and oral opiates. METHODS:Analysis of daily drug administration records of 37 patients enrolled in the Geneva heroin mainte...

journal_title：Psychopharmacology

authors： Perneger TV,Mino A,Giner F,Broers B

更新日期：2000-09-01 00:00:00

abstract：:In mice that were scored for the length of time they remained immobile in awkward postures (cataleptic) on an inclined wire grid, a large IP dose of pilocarpine (80 mg/kg) caused a clear catalepsy, which was prevented by both dopamine agonists that were tested, apomorphine (4 or 8 mg/kg, IP) and bromocriptine (8 mg/kg...

journal_title：Psychopharmacology

authors： Klemm WR

更新日期：1985-01-01 00:00:00

abstract：:Animal experimental studies suggest that the therapeutic effect of selective serotonin re-uptake inhibitors (SSRIs) may involve neuroadaptive changes in pre- and post-synaptic serotonin1A (5-HT1A) receptors. We used the endocrine and hypothermic responses to the 5-HT1A receptor agonist, gepirone (20 mg orally), to ass...

journal_title：Psychopharmacology

authors： Sargent P,Williamson DJ,Pearson G,Odontiadis J,Cowen PJ

更新日期：1997-08-01 00:00:00

abstract：RATIONALE:Emerging evidence from agonist-antagonist studies suggests a role for the dopamine D(3) receptor subtype in the regulation of PPI in animals, but such evidence is lacking for human subjects. OBJECTIVES:This study examines the effect of the preferential D(3) agonist ropinirole on PPI in humans. METHODS:PPI w...

journal_title：Psychopharmacology

authors： Giakoumaki SG,Roussos P,Frangou S,Bitsios P

更新日期：2007-10-01 00:00:00

abstract：:Plasma fluphenazine levels and plasma total neuroleptic activity (as quantitated by the neuroleptic receptor binding assay) were related to therapeutic response in 15 DSM-III schizophrenic patients who received a predetermined, fixed dose of fluphenazine for 14 days. Mean neuroleptic activity of the plasma was 84% gre...

journal_title：Psychopharmacology

authors： Hitzemann RJ,Garver DL,Mavroidis M,Hirschowitz J,Zemlan FP

更新日期：1986-01-01 00:00:00

abstract：RATIONALE:Severe, traumatic stress or repeated exposure to stress can result in long-term deleterious effects, including hippocampal cell atrophy and death, which, in turn, result in memory impairments and behavioural abnormalities. The dopaminergic D(2) receptor agonist, bromocriptine, has been shown to modulate learn...

journal_title：Psychopharmacology

authors： Srikumar BN,Raju TR,Shankaranarayana Rao BS

更新日期：2007-08-01 00:00:00

abstract：RATIONALE:A substantial portion of cigarette smokers prefer menthol-flavored cigarettes. To date, however, no studies have examined whether menthol in cigarettes has central pharmacological effects. OBJECTIVE:We investigated psychophysiological and subjective effects of smoking menthol versus non-menthol cigarettes in...

journal_title：Psychopharmacology

authors： Pritchard WS,Houlihan ME,Guy TD,Robinson JH

更新日期：1999-04-01 00:00:00

abstract：BACKGROUND:This laboratory study investigated the mechanisms by which the opioid antagonist, naltrexone, reduces the risk of relapse to heavy drinking in individuals with alcohol dependence. METHODS:Eighteen alcohol-dependent, non-treatment-seeking volunteers were randomized to 50 mg naltrexone or placebo for 6 days a...

journal_title：Psychopharmacology

authors： O'Malley SS,Krishnan-Sarin S,Farren C,Sinha R,Kreek MJ

更新日期：2002-02-01 00:00:00

abstract：RATIONALE:Contemporary animal models of cocaine addiction focus on increasing the amount of drug consumption to produce addiction-like behavior. However, another critical factor is the temporal pattern of consumption, which in humans is characterized by intermittency, both within and between bouts of use. OBJECTIVE:To...

journal_title：Psychopharmacology

authors： Kawa AB,Bentzley BS,Robinson TE

更新日期：2016-10-01 00:00:00

abstract：RATIONALE:Cocaethylene is a pharmacologically active homolog and metabolite of cocaine, formed by transesterification of cocaine in the presence of ethanol. Here we relate findings from a randomized, placebo-controlled, double-blind study in which we examined the physiological and subjective effects and pharmacokinetic...

journal_title：Psychopharmacology

authors： Hart CL,Jatlow P,Sevarino KA,McCance-Katz EF

更新日期：2000-04-01 00:00:00

abstract：RATIONALE:Deep brain stimulation (DBS) has achieved substantial success as a treatment for movement disorders such as Parkinson's disease. The therapeutic efficacy and relative lack of serious side effects resulted in the expansion of DBS into the treatment of many other diseases, including obsessive-compulsive disorde...

journal_title：Psychopharmacology

authors： Pierce RC,Vassoler FM

更新日期：2013-10-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Major depressive disorder (MDD) is associated with an increased risk for cardiovascular disease (CVD). Apart from biological and life style factors, the use of antidepressants and their potentially adverse effects might contribute to the increased CVD risk. Therefore, we compared cardiovascular...

journal_title：Psychopharmacology

authors： Kuehl LK,Muhtz C,Hinkelmann K,Dettenborn L,Wingenfeld K,Spitzer C,Otte C

更新日期：2016-09-01 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：INTRODUCTION:Alcohol has been shown to increase smoking urges and smoking behavior. However, alcohol's effects on specific components of smoking behavior for nicotine versus non-nicotine factors and potential sex differences in this response have not been investigated. METHODS:Forty-two young male and female non-depen...

journal_title：Psychopharmacology

authors： King A,McNamara P,Conrad M,Cao D

更新日期：2009-11-01 00:00:00

abstract：:The effects of amphetamine on the partial punishment effect (PPE) at one trial per day, were examined. Two groups of animals were trained to run in a straight alley. The continuously reinforced (CRF) group received food reward on every trial. The partially punished (PP) group received food reward on every trial but in...

journal_title：Psychopharmacology

authors： Weiner I,Bercovitz H,Feldon J

更新日期：1986-01-01 00:00:00

abstract：:The differential sensitivity of young and elderly healthy adults to the impairment effects of benzodiazepines was assessed by tasks with several levels of difficulty. Using a double-blind procedure, single doses of placebo, alprazolam (0.75 and 1.5 mg) and triazolam (0.25 and 0.5 mg) were ingested orally by 10 young m...

journal_title：Psychopharmacology

authors： Nikaido AM,Ellinwood EH Jr,Heatherly DG,Gupta SK

更新日期：1990-01-01 00:00:00