DSP4 and Herrnstein's equation: further evidence for a role of noradrenaline in the maintenance of operant behaviour by positive reinforcement.

abstract：RATIONALE:Reelin, a large extracellular matrix glycoprotein, is down-regulated in the brain of schizophrenic patients and of heterozygous reeler mice (rl/+). The behavioral phenotype of rl/- mice, however, matches only partially the schizophrenia hallmarks. OBJECTIVES:We recently reported (Marrone et al., Eur J Neuros...

journal_title：Psychopharmacology

authors： Ammassari-Teule M,Sgobio C,Biamonte F,Marrone C,Mercuri NB,Keller F

更新日期：2009-06-01 00:00:00

abstract：RATIONALE:The dopaminergic system has been proposed to mediate alcohol-induced locomotor activity, yet the mechanisms underlying this behavioral response remain poorly understood. OBJECTIVES:This study was conducted to investigate the role of dopamine D2-like receptors in mediating alcohol-induced behavioral responses...

journal_title：Psychopharmacology

authors： Tran S,Facciol A,Gerlai R

更新日期：2016-06-01 00:00:00

abstract：BACKGROUND:Postmortem and positron emission tomography (PET) studies have reported several alterations in serotonin 1A receptor (5-HT(1A)) binding parameters in patients with schizophrenia. This study examines 5-HT(1A) availability in vivo in individuals with schizophrenia and schizo-affective disorder. MATERIALS AND ...

journal_title：Psychopharmacology

authors： Frankle WG,Lombardo I,Kegeles LS,Slifstein M,Martin JH,Huang Y,Hwang DR,Reich E,Cangiano C,Gil R,Laruelle M,Abi-Dargham A

更新日期：2006-12-01 00:00:00

abstract：RATIONALE:Virtually all cocaine self-administration studies have used a "unit dose" as a reinforcing stimulus; the subject is a passive recipient of an experimenter-selected dose. OBJECTIVES:The present experiments examined the consequence of requiring the subject to actively determine the dose and speed of each injec...

journal_title：Psychopharmacology

authors： Roberts DCS,Zimmer BA

更新日期：2020-09-01 00:00:00

abstract：RATIONALE:Mesocorticolimbic reactivity to alcohol-associated cues has been shown to be associated with relapse to renewed drinking and to be decreased by cue-exposure-based extinction training (CET). Evidence from preclinical studies suggests that the extinction of conditioned alcohol-seeking behavior might be facilita...

journal_title：Psychopharmacology

authors： Kiefer F,Kirsch M,Bach P,Hoffmann S,Reinhard I,Jorde A,von der Goltz C,Spanagel R,Mann K,Loeber S,Vollstädt-Klein S

更新日期：2015-07-01 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：:Intravenous cocaine self-administration behavior in rats was investigated using a progressive ratio (PR) schedule of reinforcement. The first response on the lever each day produced a drug infusion, whereupon the requirements of the schedule escalated with each reinforcement until the behavior extinguished. The final ...

journal_title：Psychopharmacology

authors： Roberts DC,Loh EA,Vickers G

更新日期：1989-01-01 00:00:00

abstract：:Phenelzine (PLZ) is a non-selective monoamine oxidase (MAO) inhibitor commonly used to treat depression and panic disorder. In addition to increasing levels of biogenic amines in the brain, PLZ elevates brain levels of the amino acid gamma-aminobutyric acid (GABA; Baker et al. 1991; present study). Given the extensive...

journal_title：Psychopharmacology

authors： Parent MB,Habib MK,Baker GB

更新日期：1999-03-01 00:00:00

abstract：:In squirrel monkeys trained to discriminate between two tones, morphine consistently increased the percent of response failures during tone periods; however, it had no consistent effect on the percent correct responses. In contrast, scopolamine decreased percent correct responses as well as increasing percent response...

journal_title：Psychopharmacology

authors： Milar KS,Dykstra LA

更新日期：1985-01-01 00:00:00

abstract：RATIONALE:New research findings in the field of neuroactive steroids strongly suggest that to understand their role in physiopathology, it is essential to accurately measure their tissue levels. Through his broad chemical expertise and extensive knowledge of steroids, Dr. Robert H. Purdy pioneered structure-activity re...

journal_title：Psychopharmacology

authors： Vallée M

更新日期：2014-09-01 00:00:00

abstract：RATIONALE:Despite consistent evidence of the familiality of substance misuse, the mechanisms by which family history (FH) increases the risk of addiction are not well understood. One behavioral trait that may mediate the risk for substance use and addiction is delay discounting (DD), which characterizes an individual's...

journal_title：Psychopharmacology

authors： VanderBroek L,Acker J,Palmer AA,de Wit H,MacKillop J

更新日期：2016-01-01 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:A positive relationship exists between chronic ethanol intoxication experiences and the severity of neural hyperactivity and withdrawal seizures. An important possibility is that withdrawal reactions also influence the motivation to obtain and consume ethanol. OBJECTIVES:To test this hypothesis, the effects ...

journal_title：Psychopharmacology

authors： Ciccocioppo R,Lin D,Martin-Fardon R,Weiss F

更新日期：2003-07-01 00:00:00

abstract：:The behavioral consequences of prolonged continuous exposure to cocaine were examined in rhesus monkeys. Operant behavior was sampled for 0.5 h every 6 h, and cocaine was continuously infused through an intravenous catheter. Cocaine (4.0-32 mg/kg/day) initially caused reductions in the rate of responding for food and ...

journal_title：Psychopharmacology

authors： Woolverton WL,Kleven MS

更新日期：1988-01-01 00:00:00

abstract：:During the third week of life, a hyperactive period for laboratory rat, the occurrence of 8 behavioral categories was recorded in individual littermates transferred to a novel environment. Neonatal destruction of the catecholaminergic system by intraventricular injection of 6-OH-DA resulted in increased motor activity...

journal_title：Psychopharmacology

authors： Stoof JC,Duijkstra H,Hillegers JP

更新日期：1978-04-28 00:00:00

abstract：:Ro 15-4513, a partial inverse agonist at the benzodiazepine (BZ) receptor site was labelled with 11C and used for in vitro autoradiography on human post mortem brain sections and for positron emission tomography (PET) on Cynomolgus monkeys. The total radiochemical yield of [11C]Ro 15-4513 was 30-40% with an overall sy...

journal_title：Psychopharmacology

authors： Halldin C,Farde L,Litton JE,Hall H,Sedvall G

更新日期：1992-01-01 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：RATIONALE:Nicotine displays rewarding and aversive effects, and while dopamine has been linked with nicotine's reward, the neurotransmitter(s) involved with aversion remains speculative. The kappa-dynorphinergic system has been associated with negative motivational and affective states, and whether dynorphin (Dyn) cont...

journal_title：Psychopharmacology

authors： Isola R,Zhang H,Tejwani GA,Neff NH,Hadjiconstantinou M

更新日期：2009-01-01 00:00:00

abstract：RATIONALE:Higher rates of delay discounting, or impulsive choice, may be related to relapse during abstinence reinforcement interventions for cigarette smoking, and a transdermal nicotine patch may attenuate delay discounting. OBJECTIVE:The objectives of this study are to assess the relation between delay discounting ...

journal_title：Psychopharmacology

authors： Dallery J,Raiff BR

更新日期：2007-03-01 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：:Established social groups of talapoin monkeys show rank-related differences in aggressive, social and sexual behaviours and visual monitoring, as well as in endocrine and monoamine profiles. Here we describe the effects on these variables of an "anxiogenic drug", beta-carboline carboxylic acid ethyl ester (beta-CCE), ...

journal_title：Psychopharmacology

authors： Vellucci SV,Herbert J,Keverne EB

更新日期：1986-01-01 00:00:00

abstract：RATIONALE:Oleoyl glycine (OlGly), a recently discovered fatty acid amide that is structurally similar to N- acylethanolamines, which include the endocannabinoid, anandamide (AEA), as well as endogenous peroxisome proliferator-activated receptor alpha (PPARα) agonists oleoylethanolamide (OEA) and palmitoylethanolamide (...

journal_title：Psychopharmacology

authors： Petrie GN,Wills KL,Piscitelli F,Smoum R,Limebeer CL,Rock EM,Humphrey AE,Sheppard-Perkins M,Lichtman AH,Mechoulam R,Di Marzo V,Parker LA

更新日期：2019-09-01 00:00:00

abstract：RATIONALE:Previous work has shown that clozapine suppressed tacrine-induced jaw movements at lower doses than those required for suppression of lever pressing. OBJECTIVE:The novel atypical antipsychotic olanzapine was assessed in these behavioral tests. METHODS:The effect of acute olanzapine on the suppression of tac...

journal_title：Psychopharmacology

authors： Trevitt JT,Carlson BB,Salamone JD

更新日期：1999-08-01 00:00:00

abstract：:The behavioural effects of increasing doses of apomorphine and haloperidol were observed in a group of six marmosets. Behaviour was classified quantitatively into categories: Locomotion, inactivity, checking (small head movements), social interaction and purposeful activities. Statistical analysis revealed that apomor...

journal_title：Psychopharmacology

authors： Scraggs PR,Baker HF,Ridley RM

更新日期：1979-01-01 00:00:00

abstract：:The rabbit classical eyeblink conditioning paradigm was used to assess the effects of haloperidol on hippocampal function. Haloperidol disrupted hippocampal activity and conditioned responses (CRs) at low but not high conditioned stimulus (CS) intensities. The observed relationship of hippocampal activity and the CR s...

journal_title：Psychopharmacology

authors： Sears LL,Steinmetz JE

更新日期：1997-04-01 00:00:00

abstract：:The effects of chronic desmethylimipramine (DMI) treatment on measures of incentive motivation for cocaine were assessed in order to investigate the predictive validity of the extinction/reinstatement model of drug craving. Rats were trained to respond for cocaine infusions (0.75 mg/kg per 0.1 ml i.v.) or received yok...

journal_title：Psychopharmacology

authors： Fuchs RA,Tran-Nguyen LT,Specio SE,Groff RS,Neisewander JL

更新日期：1998-01-01 00:00:00

abstract：:Adult hooded rats exposed to a repeated maternal separation procedure during the neonatal period showed a blunted expression of locomotor hyperactivity conditioned to the presentation of the daily food ration. We have demonstrated that the expression of food-conditioned anticipatory hyperactivity is sensitive to the r...

journal_title：Psychopharmacology

authors： Matthews K,Hall FS,Wilkinson LS,Robbins TW

更新日期：1996-07-01 00:00:00

abstract：:It was shown previously that behavioural effects of apomorphine (locomotor activation and stereotyped behaviour) can be conditioned when they are associated with well-defined environmental stimuli. In the present study, the hypothesis was tested that glutamatergic mechanisms play an important role either in formation ...

journal_title：Psychopharmacology

authors： Welsch-Kunze S,Kuschinsky K

更新日期：1990-01-01 00:00:00

abstract：:Serotonergic mechanisms mediate the expression of personality traits (such as impulsivity, aggression and anxiety) that are linked to vulnerability to psychological illnesses, and modulate the identification of emotional expressions in the face as well as learning about broader classes of appetitive and aversive signa...

journal_title：Psychopharmacology

authors： Ward R,Sreenivas S,Read J,Saunders KEA,Rogers RD

更新日期：2017-07-01 00:00:00

abstract：RATIONALE:Prospective memory pervades our daily lives and failures can have detrimental consequences. This ability to execute delayed intentions may be impacted by stress, yet few studies have examined these effects. Moreover, as many cannabis users report using cannabis to cope with stress, it is important to understa...

journal_title：Psychopharmacology

authors： Cuttler C,Spradlin A,Nusbaum AT,Whitney P,Hinson JM,McLaughlin RJ

更新日期：2019-06-01 00:00:00