Prior stress attenuates the analgesic response but sensitizes the corticosterone and cortical dopamine responses to stress 10 days later.

abstract：RATIONALE:Intermittent footshock stress reliably reinstates extinguished alcohol-taking behavior in drug-free rats, but the neurochemical events involved in this effect are not known. OBJECTIVE:We studied here whether two main modulators of stress responses, corticotropin-releasing factor (CRF) and corticosterone, are...

journal_title：Psychopharmacology

authors： Lê AD,Harding S,Juzytsch W,Watchus J,Shalev U,Shaham Y

更新日期：2000-06-01 00:00:00

abstract：INTRODUCTION:The present study was designed to investigate the rewarding effects induced by tramadol and its active metabolite O-desmethyltramadol (M1) under a neuropathic pain-like state. RESULTS:In opioid receptor binding and G protein activation, we confirmed that M1, but not tramadol, showed mu-opioid receptor (MO...

journal_title：Psychopharmacology

authors： Nakamura A,Narita M,Miyoshi K,Shindo K,Okutsu D,Suzuki M,Higashiyama K,Suzuki T

更新日期：2008-10-01 00:00:00

abstract：RATIONALE:Nearly 60-80% of women experience some form of sadness, anxiety, or anhedonia in the weeks following the birth of a child (Patel et al. 23(2):534-42, 2012; Degner 10: 359;j4692, 2017); however, the exact mechanisms that precipitate these changes in mood postpartum are still unknown. It is well-known that the ...

journal_title：Psychopharmacology

authors： Gomez J,Haas NA,Schwarz JM

更新日期：2019-10-01 00:00:00

abstract：:The effects of eight serotonin (5-HT) receptor antagonists on the anorectic effect of d-fenfluramine (3.0 mg/kg, IP) were examined in a test of sweet mash consumption, using non-deprived male rats. d-Fenfluramine's effect was attenuated by the mixed 5-HT1/5-HT2 receptor antagonists, methiothepin and metergoline; by th...

journal_title：Psychopharmacology

authors： Neill JC,Cooper SJ

更新日期：1989-01-01 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：:Chronic oral administration of cannabis extract to rats (daily delta 9-tetrahydrocannabinol dose 20 mg/kg) was examined in three experiments for its residual effect on radial-arm maze learning following a 1-month drug-free period. Learning a simple eight-arm maze was significantly impaired in rats treated for either 6...

journal_title：Psychopharmacology

authors： Stiglick A,Kalant H

更新日期：1982-01-01 00:00:00

abstract：RATIONALE:Electrophysiological studies have identified a scalp potential, the late positive potential (LPP), which is modulated by the emotional intensity of observed stimuli. Previous work has shown that the LPP reflects the modulation of activity in extrastriate visual cortical structures, but little is known about t...

journal_title：Psychopharmacology

authors： de Rover M,Brown SB,Boot N,Hajcak G,van Noorden MS,van der Wee NJ,Nieuwenhuis S

更新日期：2012-02-01 00:00:00

abstract：RATIONALE:Evidence suggesting that the endogenous cannabinoid (eCB) system can be manipulated to facilitate or impair extinction of learned behaviours has important consequences for opiate withdrawal and abstinence. We demonstrated that the fatty acid amide hydrolase (FAAH) inhibitor URB597, which increases eCB levels,...

journal_title：Psychopharmacology

authors： Manwell LA,Mallet PE

更新日期：2015-05-01 00:00:00

abstract：RATIONALE:Cognitive rehabilitation is now recognized as an important tool in the treatment of schizophrenia, and findings in this area are emerging rapidly. There is a need for a systematic review of the effects of the different training programs. OBJECTIVES:To review quantitatively the controlled studies on cognitive...

journal_title：Psychopharmacology

authors： Krabbendam L,Aleman A

更新日期：2003-09-01 00:00:00

abstract：:A technique is described for studying exploratory as well as stereotyped behaviour in rats using an automated hole-board. Both visual and automated recordings can be employed using the technique. Hole dipping is monitored automatically using an infra-red detector system. Repetitive patterns of hole-dipping are used as...

journal_title：Psychopharmacology

authors： Makanjuola RO,Hill G,Maben I,Dow RC,Ashcroft GW

更新日期：1977-05-09 00:00:00

abstract：RATIONALE:Repeated administrations of ethanol induce a progressive and enduring increase in its locomotor stimulant effects, a phenomenon termed behavioral sensitization that has not been systematically characterized. OBJECTIVE:The aim of the present studies was to characterize the development and expression of ethano...

journal_title：Psychopharmacology

authors： Didone V,Quoilin C,Tirelli E,Quertemont E

更新日期：2008-12-01 00:00:00

abstract：:Cocaine and amphetamine produce several behavioral effects, most notably locomotor stimulation. Biochemically, evidence suggests specific involvement of dopaminergic systems, although not necessarily identical sites, in mediating cocaine- and amphetamine-induced locomotor stimulation. This study examined the effects o...

journal_title：Psychopharmacology

authors： George FR,Porrino LJ,Ritz MC,Goldberg SR

更新日期：1991-01-01 00:00:00

abstract：RATIONALE:Cannabinoid CB1 receptors are expressed in the prefrontal cortex, but their role in mediating executive functions such as behavioral flexibility is unclear. OBJECTIVE:The present study examined the effect of pharmacological activation or blockade of the cannabinoid CB1 receptors on behavioral flexibility usi...

journal_title：Psychopharmacology

authors： Hill MN,Froese LM,Morrish AC,Sun JC,Floresco SB

更新日期：2006-08-01 00:00:00

abstract：RATIONALE:The noradrenergic and dopaminergic systems are targets for antidepressants and are stimulated by serotonergic antidepressant drugs. The COMT enzyme inactivates catecholamines, and the COMT Val(108/158)Met polymorphism (rs4680) influences the enzyme activity. Clinical studies on the effect of rs4680 on antidep...

journal_title：Psychopharmacology

authors： Benedetti F,Colombo C,Pirovano A,Marino E,Smeraldi E

更新日期：2009-03-01 00:00:00

abstract：:Risperidone was studied in a 0.16 mg/kg LSD-saline drug discrimination test procedure. At doses varying from 0.0025 to 0.63 mg/kg, no LSD-like agonist effects were observed. Studies on the antagonism of the LSD-cue indicated that risperidone was able to completely block the discriminative stimulus properties of LSD wi...

journal_title：Psychopharmacology

authors： Meert TF,de Haes P,Janssen PA

更新日期：1989-01-01 00:00:00

abstract：RATIONALE:Dependence on both alcohol and cocaine is a widespread example of polydrug abuse/dependence. It has been hypothesized that ethanol reward is mediated via increased dopaminergic neurotransmission in mesolimbic striatum, as is the case for cocaine. However, little is known about the neurobiology of ethanol in p...

journal_title：Psychopharmacology

authors： Bradberry CW

更新日期：2002-12-01 00:00:00

abstract：RATIONALE:The efficacy of methadone for treating heroin dependence derives, in part, from suppression of opiate withdrawal and attenuation of the effects of heroin. OBJECTIVES:The purpose of this double-blind, within-subject, inpatient study was to determine whether larger doses of methadone, which are more effective ...

journal_title：Psychopharmacology

authors： Donny EC,Walsh SL,Bigelow GE,Eissenberg T,Stitzer ML

更新日期：2002-05-01 00:00:00

abstract：RATIONALE:The post-extinction exposure of rats to a sub-conditioning procedure (SCP; i.e., retraining with a shock intensity that is too weak to induce by itself significant fear conditioning) has been reported to provoke the reemergence of extinguished fear. This phenomenon can be prevented by chronic fluoxetine treat...

journal_title：Psychopharmacology

authors： Deschaux O,Zheng X,Lavigne J,Nachon O,Cleren C,Moreau JL,Garcia R

更新日期：2013-01-01 00:00:00

abstract：BACKGROUND:Anti-psychotic treatment appears to be associated with striatal volume increase, but how early this change occurs is still unknown. METHODS:A single prospective cohort of 20 anti-psychotic-naïve patients, newly diagnosed with schizophrenia, underwent magnetic resonance imaging brain scan at baseline. This w...

journal_title：Psychopharmacology

authors： Deng MY,McAlonan GM,Cheung C,Chiu CP,Law CW,Cheung V,Sham PC,Chen EY,Chua SE

更新日期：2009-10-01 00:00:00

abstract：RATIONALE:The effects of caffeine, especially caffeinated coffee, on human performance have been extensively studied. However, few studies have been naturalistic representations of how tea/coffee is normally consumed in terms of dose and time of consumption. OBJECTIVES:This study investigated the effects of day-long c...

journal_title：Psychopharmacology

authors： Hindmarch I,Rigney U,Stanley N,Quinlan P,Rycroft J,Lane J

更新日期：2000-04-01 00:00:00

abstract：RATIONALE:In cell culture systems, agonists can promote the phosphorylation and internalization of receptors coupled to G proteins (GPCR), leading to their desensitization. However, in the CNS opioid agonists promote a profound desensitization of their analgesic effects without diminishing the presence of their recepto...

journal_title：Psychopharmacology

authors： Garzón J,Rodríguez-Muñoz M,de la Torre-Madrid E,Sánchez-Blázquez P

更新日期：2005-06-01 00:00:00

abstract：RATIONALE:The endogenous cannabinoid system is thought to play a role in reinforcement processes. OBJECTIVES:We tested the effects of five doses of the cannabinoid receptor 1 (CB1) antagonist SR141716 [0, 0.3, 1, 3 and 10 mg/kg intraperitoneal (IP)] on intracranial self-stimulation at the level of the median forebrain...

journal_title：Psychopharmacology

authors： Deroche-Gamonet V,Le Moal M,Piazza PV,Soubrié P

更新日期：2001-09-01 00:00:00

abstract：:The effects of intraperitoneal administrations of the deoxycorticosterone metabolite, 5 alpha-pregnane-, 21 diol-20-one (3 alpha, 5 alpha-tetrahydrodeoxycorticosterone; alpha-THDOC) on the responses to aggression and defeat-induced analgesia were examined in subordinate intruder male mice in "resident-intruder" pairin...

journal_title：Psychopharmacology

authors： Kavaliers M

更新日期：1988-01-01 00:00:00

abstract：:In the studies reported here, we investigated the effects of nicotine on memory for unrelated word lists. Nicotine was delivered through cigarette smoking, and memory performance was assessed using both intentional and incidental recall tasks, and employing an additional, indirect measure of memory. We report the resu...

journal_title：Psychopharmacology

authors： Rusted J,Graupner L,Warburton D

更新日期：1995-06-01 00:00:00

abstract：:Two experiments were conducted to assess the acute behavioral effects of triazolam and temazepam in healthy, non-drug abusing men in double-blind, placebo-controlled, crossover trials, where all subjects received all possible doses. These drugs were compared to examine allegations that triazolam produces greater behav...

journal_title：Psychopharmacology

authors： Rush CR,Higgins ST,Hughes JR,Bickel WK

更新日期：1993-01-01 00:00:00

abstract：RATIONALE:Dronabinol (Δ(9)tetrahydrocannabinol) is approved for HIV-related anorexia, yet, little is known about its effects in HIV-positive marijuana smokers. HIV-negative marijuana smokers require higher than recommended dronabinol doses to experience expected effects. OBJECTIVES:Employing a within-subjects, double-...

journal_title：Psychopharmacology

authors： Bedi G,Foltin RW,Gunderson EW,Rabkin J,Hart CL,Comer SD,Vosburg SK,Haney M

更新日期：2010-12-01 00:00:00

abstract：RATIONALE:It is important to study age-related differences that may put adolescents at risk for alcohol-related problems. Adolescents seem less sensitive to the aversive effects of ethanol than adults. Less is known of appetitive effects of ethanol and stress modulation of these effects. OBJECTIVES:This study aims to ...

journal_title：Psychopharmacology

authors： Acevedo MB,Pautassi RM,Spear NE,Spear LP

更新日期：2013-12-01 00:00:00

abstract：RATIONALE:Numerous substituted cathinone drugs have appeared in recreational use. This variety is often a response to legal actions; the scheduling of 3,4-methylenedioxypyrovalerone (MDPV; "bath salts") in the USA was followed by the appearance of the closely related drug α-pyrrolidinopentiophenone (alpha-PVP; "flakka"...

journal_title：Psychopharmacology

authors： Aarde SM,Creehan KM,Vandewater SA,Dickerson TJ,Taffe MA

更新日期：2015-08-01 00:00:00

abstract：RATIONALE:Epilepsy is a debilitating seizure disorder that affects approximately 50 million people. Noradrenaline reduces neuronal excitability, has anticonvulsant effects and is protective against seizure onset. OBJECTIVE:We investigated the role of α2-adrenoceptors in vivo in a neonatal domoic acid (DOM) rat model o...

journal_title：Psychopharmacology

authors： Thomsen MB,Lillethorup TP,Jakobsen S,Nielsen EH,Simonsen M,Wegener G,Landau AM,Tasker RA

更新日期：2016-10-01 00:00:00

abstract：:The pharmacokinetics of flumazenil in the rat were determined after 2.5 mg/kg intravenous and 25 mg/kg oral administration. Following intravenous administration flumazenil was rapidly eliminated with an extremely short terminal half-life (mean +/- SE, n = 8) of 8.3 +/- 0.3 min due to a large total blood clearance of 1...

journal_title：Psychopharmacology

authors： Mandema JW,Gubbens-Stibbe JM,Danhof M

更新日期：1991-01-01 00:00:00