Nicotine self-administration in rats on a progressive ratio schedule of reinforcement.

abstract：RATIONALE:The motivational impetuses underlying self-administration of cocaine and other drugs of abuse are not fully understood. One emerging factor is affect. Both positive and negative affective states have been hypothesized to influence drug seeking and drug taking. In parallel, it has been posited that the ultraso...

journal_title：Psychopharmacology

authors： Barker DJ,Root DH,Ma S,Jha S,Megehee L,Pawlak AP,West MO

更新日期：2010-09-01 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：:In a shuttle-box self-stimulation paradigm, analgesic doses of morphine increase the amount of time a rat leaves rewarding brain stimulation on, without altering average OFF times. This paradigm may serve as a model for the euphoria induced by narcotic drugs and as a useful tool for evaluating the reinforcing effects ...

journal_title：Psychopharmacology

authors： Levitt RA,Baltzer JH,Evers TM,Stilwell DJ,Furby JE

更新日期：1977-11-15 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：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:When paired with training, substances that increase monoaminergic transmission in the brain support motor and language learning in healthy subjects and in rehabilitation after brain lesions. OBJECTIVES:To test the hypotheses that enhancement of central norepinephrine by the selective norepinephrine reuptake ...

journal_title：Psychopharmacology

authors： Plewnia C,Hoppe J,Gerloff C

更新日期：2006-08-01 00:00:00

abstract：RATIONALE:Cotreatment with clorgyline shifts the development of sensitization to the D2/D3 dopamine receptor agonist quinpirole from locomotion to mouthing, an effect apparently unrelated to the monoamine oxidase inhibition property of clorgyline. This phenomenon was demonstrated in rats examined in small activity cham...

journal_title：Psychopharmacology

authors： Dvorkin A,Culver KE,Szechtman H

更新日期：2006-07-01 00:00:00

abstract：:The intracerebroventricular administration of carbachol chloride induced a characteristic wet dog shake response in rats. Neither 5,6-dihydroxytryptamine, a serotonergic depletor, nor DL-p-chlorophenylalanine, an inhibitor of 5-HT synthesis, affected wet dog shakes induced by carbachol. Putative antiserotonergic drugs...

journal_title：Psychopharmacology

authors： Turski L,Turski W,Czuczwar SJ,Kleinrok Z

更新日期：1981-01-01 00:00:00

abstract：:2,4-Dithiobiuret (DTB) is a sulfonated derivative of urea that is used as a reducing agent in chemical manufacture. Its low acute toxicity to rodents belies a peripherally mediated, delayed-onset muscle weakness which develops during repeated daily exposure. In experiment 1, a standard dose regimen of DTB (0.5 mg/kg p...

journal_title：Psychopharmacology

authors： Bushnell PJ,Oshiro WM

更新日期：1996-02-01 00:00:00

abstract：RATIONALE:Paired-associate learning (PAL), as part of the Cambridge Neuropsychological Test Automated Battery, is able to predict who from an at-risk population will develop Alzheimer's disease. Schizophrenic patients are also impaired on this same task. An automated rodent model of PAL would be extremely beneficial in...

journal_title：Psychopharmacology

authors： Talpos JC,Winters BD,Dias R,Saksida LM,Bussey TJ

更新日期：2009-07-01 00:00:00

abstract：RATIONALE:A recent report described sex differences in the effects of nicotine use and withdrawal on prepulse inhibition of acoustic startle (PPI), but no sex differences in PPI in non-smokers. OBJECTIVE:To determine whether previously reported male>female acoustic PPI reflect sex differences in smoking effects on PPI...

journal_title：Psychopharmacology

authors： Swerdlow NR,Geyer MA,Hartman PL,Sprock J,Auerbach PP,Cadenhead K,Perry W,Braff DL

更新日期：1999-09-01 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：:The number of nerve cells in two different areas of the corpus striatum (i.e., ventrolateral and dorsomedial) was estimated in rat brain after long-term (36 weeks) treatment with the neuroleptic flupenthixol. Nine rats were given weekly injections of 4 mg/kg flupenthixol dissolved in Viscoleo i.m., and seven rats rece...

journal_title：Psychopharmacology

authors： Nielsen EB,Lyon M

更新日期：1978-09-15 00:00:00

abstract：RATIONALE:Endogenous and exogenous cannabinoids acting through the CB1 cannabinoid receptors are implicated in the control of a variety of behavioural and neuroendocrine functions, including emotional responses, and learning and memory processes. Recently, knockout mice deficient in the CB1 cannabinoid receptor have be...

journal_title：Psychopharmacology

authors： Martin M,Ledent C,Parmentier M,Maldonado R,Valverde O

更新日期：2002-02-01 00:00:00

abstract：RATIONALE:The contribution of dopamine receptor subtypes in mediating the discriminative stimulus effects of cocaine is not fully established. Many drug discrimination studies use food to maintain responding, necessitating food restriction, which can alter drug effects. OBJECTIVE:This study established stimulus contro...

journal_title：Psychopharmacology

authors： Baladi MG,Newman AH,France CP

更新日期：2014-02-01 00:00:00

abstract：RATIONAL:Caloric restriction increases the risk of relapse in abstinent drug users. Hormones involved in the regulation of energy balance and food intake, such as leptin and ghrelin, are implicated in drug-related behaviors. OBJECTIVES:We investigated the role of leptin and ghrelin in the augmentation of heroin seekin...

journal_title：Psychopharmacology

authors： D'Cunha TM,Chisholm A,Hryhorczuk C,Fulton S,Shalev U

更新日期：2020-03-01 00:00:00

abstract：:Dose-dependent effects of intravenously administered lorazepam on haemodynamic fluctuations were studied by means of spectral analysis, in order to elucidate sympathetic and parasympathetic components in cardiovascular control during situations of rest and mental stress after benzodiazepine administration. In a double...

journal_title：Psychopharmacology

authors： Tulen JH,Mulder G,Pepplinkhuizen L,Man in 't Veld AJ,van Steenis HG,Moleman P

更新日期：1994-02-01 00:00:00

abstract：:The protective effects of acute and chronic diazepam administration (4 mg/kg) against seizures induced by pentylenetetrazole (PTZ) and picrotoxin were investigated. Considering the incidence of tonic-clonic convulsions, tolerance to the protective effects of diazepam was evident by day 5 if the mice were challenged wi...

journal_title：Psychopharmacology

authors： File SE

更新日期：1983-01-01 00:00:00

abstract：RATIONALE:It has been reported that in panic disorder (PD), tryptophan depletion enhances the vulnerability to experimentally induced panic, while the administration of serotonin precursors blunts the response to challenges. OBJECTIVES:Using a high-dose carbon dioxide (CO(2)) challenge, we aimed to investigate the eff...

journal_title：Psychopharmacology

authors： Colasanti A,Esquivel G,den Boer E,Horlings A,Dandachi A,Oostwegel JL,van Donkelaar EL,Griez EJ,Schruers K

更新日期：2011-06-01 00:00:00

abstract：OBJECTIVE:The pharmacological profile of escitalopram, the S-(+)-enantiomer of citalopram, was studied and compared with citalopram and the R-(-)-enantiomer, R-citalopram. METHODS:Inhibition of the serotonin transporter (5-HTT) was studied in COS-1 cells expressing the human 5-HTT (h-5-HTT) and in rat brain synaptosom...

journal_title：Psychopharmacology

authors： Sánchez C,Bergqvist PB,Brennum LT,Gupta S,Hogg S,Larsen A,Wiborg O

更新日期：2003-06-01 00:00:00

abstract：:Paradoxical sleep (PS) in the rat, cat and mouse is preceded and sometimes followed by a short-lasting intermediate stage (IS) characterized by high amplitude cortical spindles and low frequency theta rhythm. This stage, which is mimicked by an intercollicular transection, is massively extended at the expense of PS by...

journal_title：Psychopharmacology

authors： Arnaud C,Gauthier P,Gottesmann C

更新日期：1994-11-01 00:00:00

abstract：:Active uptake of serotonin by blood platelets of acute schizophrenic patients has been compared to that of a control group. Preliminary results presented in this article indicate that the uptake of the schizophrenic patients was about 40% lower than that of controls. Patients were followed over a period of 5 weeks wit...

journal_title：Psychopharmacology

authors： Modai I,Rotman A,Munitz H,Tjano S,Wijsenbeek H

更新日期：1979-08-08 00:00:00

abstract：RATIONALE:Nicotine replacement is commonly used to treat tobacco use in heavy-drinking smokers. However, few studies have examined the effect of nicotine replacement on subjective and physiological responses to alcohol and alcohol drinking behavior. OBJECTIVE:The primary aim of this within-subject, double-blind study ...

journal_title：Psychopharmacology

authors： McKee SA,O'Malley SS,Shi J,Mase T,Krishnan-Sarin S

更新日期：2008-02-01 00:00:00

abstract：:The fatty acid specificity of the depressant actions associated with prostaglandin (PG) administration was studied in mice. Administration of PG-E2 (0.4 and 1.0 mg/kg) or PG-D2 (0.4 and 4 mg/kg) significantly potentiated pentobarbital sleeping time. Arachidonic acid (3.3 mg/kg) administration also significantly potent...

journal_title：Psychopharmacology

authors： Holingsworth EB,Patrick GA

更新日期：1984-01-01 00:00:00

abstract：RATIONALE:Several studies have suggested that modulation of the glutamatergic system via metabotropic glutamate receptors (mGlu) could be a new and efficient way to achieve antipsychotic-like activity. OBJECTIVES:Here, we decided to investigate the possible role of the group III mGlu receptor ligands, LSP1-2111, the g...

journal_title：Psychopharmacology

authors： Wierońska JM,Stachowicz K,Acher F,Lech T,Pilc A

更新日期：2012-04-01 00:00:00

abstract：:The behavioral responses to separate and combined administration of the D1 agonist SKF-38393 and the D2 agonist quinpirole following acute dopamine (DA) depletion via alpha-methyl-p-tyrosine (AMPT) or AMPT/reserpine were examined in infant (10-day-old) and weanling (21-day-old) rat pups. At both ages, AMPT pretreatmen...

journal_title：Psychopharmacology

authors： Moody CA,Spear LP

更新日期：1992-01-01 00:00:00

abstract：RATIONALE:Opioids remain the drugs of choice for treating moderate to severe pain, although adverse effects often limit use. Drugs acting concomitantly as agonists at μ opioid receptors and antagonists at δ opioid receptors produce antinociceptive effects with a reduced profile of adverse effects; one such drug, benzyl...

journal_title：Psychopharmacology

authors： Mada S,Gerak LR,Soyer A,Maguire DR,Hu Z,Minervini V,Cunningham CW,France CP

更新日期：2020-12-01 00:00:00

abstract：BACKGROUND:The serotonin (5-HT) deficiency hypothesis of aggression is being seriously challenged by pharmacological data showing robust anti-aggressive effects of 5-HT1A receptor agonists in dose ranges that concomitantly inhibit 5-HT neurotransmission. Hence, an adequate interpretation of the role of 5-HT activity in...

journal_title：Psychopharmacology

authors： de Boer SF,Newman-Tancredi A

更新日期：2016-03-01 00:00:00

abstract：:Lithium elicits opposite effects on two behavioural syndromes in rats: enhancement of the 5-HT1A-linked serotonin syndrome and attenuation of the 5-HT2-linked wet dog shakes. The ability of intracerebroventricular (ICV) myo-inositol or forskolin to reverse the enhancement of the serotonin syndrome by lithium was teste...

journal_title：Psychopharmacology

authors： Kofman O,Levin U

更新日期：1995-03-01 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