DRD4 VNTR polymorphism is associated with transient fMRI-BOLD responses to smoking cues.

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：:First, it was confirmed that systemic injection of the neurotoxin 6-hydroxydopamine HBr (30 mg/kg IP) depleted noradrenaline levels in rat heart, but not centrally. Losses averaged 90% of control 1 day after injection, and 50% at 42 days. The same drug and dose was then administered to 50% of a group of rats which had...

journal_title：Psychopharmacology

authors： Salmon P,Stanford C,Gray JA

更新日期：1985-01-01 00:00:00

abstract：RATIONALE:Rats selectively bred for high saccharin (HiS) intake consume more alcohol and acquire intravenous (i.v.) cocaine self-administration more rapidly than their low saccharin (LoS)-consuming counterparts. The present experiment was designed to determine whether HiS and LoS rats differed in other aspects of drug ...

journal_title：Psychopharmacology

authors： Carroll ME,Anderson MM,Morgan AD

更新日期：2007-02-01 00:00:00

abstract：BACKGROUND:Abnormalities of membrane phospholipid metabolism have been described in Alzheimer's disease (AD). We investigated, with the aid of (31)P magnetic resonance spectroscopy, the in vivo intracerebral availability of phosphomonoesters (PME) and phosphodiesters (PDE) in patients with AD. METHODS:Eighteen outpati...

journal_title：Psychopharmacology

authors： Forlenza OV,Wacker P,Nunes PV,Yacubian J,Castro CC,Otaduy MC,Gattaz WF

更新日期：2005-07-01 00:00:00

abstract：:The effects of 6-OHDA lesions of dopamine terminals within the amygdala were investigated on i) (+) amphetamine-induced locomotor hyperactivity and ii) the acquisition of intravenous self-administration of (+) amphetamine. The lesioned rats exhibited increased locomotor activity in response to (+) amphetamine (0.75 an...

journal_title：Psychopharmacology

authors： Deminière JM,Taghzouti K,Tassin JP,Le Moal M,Simon H

更新日期：1988-01-01 00:00:00

abstract：RATIONALE:Atypical antipsychotic drugs are classically associated with lower propensity to extrapyramidal symptoms (EPS) and hyperprolactinemia than typical antipsychotic drugs. It has not been clarified why some atypical antipsychotic drugs, such as amisulpride, induce prolactin plasma concentration (PRL) elevation, b...

journal_title：Psychopharmacology

authors： Bressan RA,Erlandsson K,Spencer EP,Ell PJ,Pilowsky LS

更新日期：2004-09-01 00:00:00

abstract：RATIONALE:Preclinical studies indicate that gonadal hormones are important determinants of drug self-administration. To date, little is known about the influence of sex and estrous cycle on drug self-administration in ecologically relevant social contexts. OBJECTIVE:The objective of this study was to examine the role ...

journal_title：Psychopharmacology

authors： Lacy RT,Strickland JC,Feinstein MA,Robinson AM,Smith MA

更新日期：2016-09-01 00:00:00

abstract：RATIONALE:Memories can return to a labile state and become amenable to modification by pharmacological and behavioral manipulations after retrieval. This process may reduce the impact of aversive memories and provide a promising therapeutic technique for the treatment of anxiety disorders. A growing body of evidence su...

journal_title：Psychopharmacology

authors： Hu J,Wang Z,Feng X,Long C,Schiller D

更新日期：2019-01-01 00:00:00

abstract：:Rats injected with doses of d-amphetamine 0--5.0 mg/kg were observed continuously in either an enclosed Y-maze or on an elevated Y-shaped platform. Patterns of increased walking and stereotypy were unaffected by the type of apparatus, but rearing remained totally suppressed at all dose levels on the elevated platform....

journal_title：Psychopharmacology

authors： Mumford L,Teixeira AR,Kumar R

更新日期：1979-04-25 00:00:00

abstract：RATIONALE:The precise neural circuitry that encodes fear memory and its extinction within the brain are not yet fully understood. Fearful memories can be persistent, resistant to extinction, and associated with psychiatric disorders, especially post-traumatic stress disorder (PTSD). Here, we investigated the microtopog...

journal_title：Psychopharmacology

authors： Jacques A,Chaaya N,Hettiarachchi C,Carmody ML,Beecher K,Belmer A,Chehrehasa F,Bartlett S,Battle AR,Johnson LR

更新日期：2019-01-01 00:00:00

abstract：:It was the aim of the present study to determine the affinities of four neuroleptics and five antidepressants for histamine H3 receptors. In rat brain cortex membranes, the specifically bound [3H]-N alpha-methylhistamine was monophasically displaced by clozapine (pKi 6.15). The other drugs did not completely displace ...

journal_title：Psychopharmacology

authors： Kathmann M,Schlicker E,Göthert M

更新日期：1994-12-01 00:00:00

abstract：RATIONALE:Electronic cigarettes (ECs) are becoming popular alternatives for smokers, but there has been limited study of their abuse liability. OBJECTIVES:The objective of this study was to evaluate the abuse liability of three Vuse Solo ECs, ranging from 14 to 36 mg in nicotine content, relative to high- and low-abus...

journal_title：Psychopharmacology

authors： Stiles MF,Campbell LR,Graff DW,Jones BA,Fant RV,Henningfield JE

更新日期：2017-09-01 00:00:00

abstract：:The existence of cyclical (circadian) variations in lithium toxicity in mice was determined. Mice, standardized to a light-dark cycle, were injected with lithium chloride (940 mg/kg) at one of six times (20:00, 24:00, 4:00, 8:00, 12:00, and 16:00) and subsequently observed for mortality over 28 h. A significant (P les...

journal_title：Psychopharmacology

authors： Hawkins R,Kripke DF,Janowsky DS

更新日期：1978-01-31 00:00:00

abstract：:The effects of meperidine on operant behavioral thermoregulation were investigated using a convective thermal controller and mice trained to alternate at will the thermal-drive condition, changing it from an air flow of 15 degrees C to one of 45 degrees C, and vice versa. Administration of 15 mg/kg meperidine resulted...

journal_title：Psychopharmacology

authors： Gessner PK,Clarke CC

更新日期：1979-09-01 00:00:00

abstract：RATIONALE:Salvinorin A, the primary psychoactive derivative of the hallucinogenic herb Salvia divinorum, is a potent and highly selective kappa-opioid receptor (KOR) agonist. Several recent studies, however, have suggested endocannabinoid system mediation of some of its effects. OBJECTIVES:This study represents a syst...

journal_title：Psychopharmacology

authors： Walentiny DM,Vann RE,Warner JA,King LS,Seltzman HH,Navarro HA,Twine CE Jr,Thomas BF,Gilliam AF,Gilmour BP,Carroll FI,Wiley JL

更新日期：2010-06-01 00:00:00

abstract：RATIONALE:Effort-related motivational symptoms such as anergia and fatigue are common in patients with depression and other disorders. Research implicates pro-inflammatory cytokines in depression, and administration of cytokines can induce effort-related motivational symptoms in humans. OBJECTIVES:The present experime...

journal_title：Psychopharmacology

authors： Nunes EJ,Randall PA,Estrada A,Epling B,Hart EE,Lee CA,Baqi Y,Müller CE,Correa M,Salamone JD

更新日期：2014-02-01 00:00:00

abstract：BACKGROUND AND RATIONALE:Despite the popularity of polysubstance abuse among recreational methylendioxymethamphetamine (MDMA) users, relatively few controlled experimental studies have documented the neurobehavioral effects of MDMA in combination with other abused substances. OBJECTIVE:In this study, the combined acut...

journal_title：Psychopharmacology

authors： Panos JJ,Baker LE

更新日期：2010-03-01 00:00:00

abstract：:The inferior colliculus is involved in conveying auditory information of an aversive nature to higher cortical structures. Gradual increases in the electrical stimulation of this structure produce progressive aversive responses from vigilance, through freezing, until escape. Recently, we have shown that microinjection...

journal_title：Psychopharmacology

authors： Pandossio JE,Brandão ML

更新日期：1999-03-01 00:00:00

abstract：RATIONALE:Cocaine dependence is a major health concern and there are no effective pharmacotherapies currently available. Although cocaine is an indirect DA agonist that binds to all three monoamine transporters, there is much evidence implicating a greater role for the dopamine (DAT) than norepinephrine (NET) and serot...

journal_title：Psychopharmacology

authors： Cook CD,Carroll IF,Beardsley PM

更新日期：2001-12-01 00:00:00

abstract：:Methamphetamine (MAP: 1 and 2 mg/kg SC) and caffeine (CAF: 1, 3, 10 and 30 mg/kg SC) dose-dependently increased ambulation in mice. Repeated administration (5 times at 3 to 4-day intervals) of MAP, but not CAF, induced sensitization to its effect. Furthermore, the mice repeatedly receiving CAF showed no significant ch...

journal_title：Psychopharmacology

authors： Kuribara H

更新日期：1994-10-01 00:00:00

abstract：RATIONALE:Environmental context has been shown to influence responding under multiple schedules of food reinforcement and to modify the behavioral effects of drugs. However, no systematic study has been conducted under conditions of cocaine self-administration. The hypothesis was that changes in the magnitude of food r...

journal_title：Psychopharmacology

authors： Nader MA,Sinnott RS,Mach RH,Morgan D

更新日期：2002-10-01 00:00:00

abstract：:Measurements of the amplitude and latency of the P3b component of the event-related potential (ERP), simple reaction time (SRT) and four psychomotor tests (VAS, DSST, DSp and CFF) were made on 12 male subjects (aged 19-24 years) 1.0-1.5 and 4.0-4.5 h after single oral doses of triprolidine (7.5 mg), terfenadine (60 mg...

journal_title：Psychopharmacology

authors： Swire FM,Marsden CA,Barber C,Birmingham AT

更新日期：1989-01-01 00:00:00

abstract：:The relationship between premenstrual dysphoria and alcohol acquistion and use patterns was studied in 14 women over 35 days on a clinical research ward. A 7-day drug-free baseline was followed by 21 days of alcohol availability and a post-alcohol drug-free period of 7 days. Women could earn alcohol or 50 cents for 30...

journal_title：Psychopharmacology

authors： Mello NK,Mendelson JH,Lex BW

更新日期：1990-01-01 00:00:00

abstract：:The performance of healthy volunteer subjects on an auditory latent inhibition (LI) paradigm was assessed following administration of a single oral dose of d-amphetamine or placebo. It was predicted that a low (5 mg), but not a high (10 mg), dose of d-amphetamine would disrupt LI. The prediction was supported with lef...

journal_title：Psychopharmacology

authors： Gray NS,Pickering AD,Hemsley DR,Dawling S,Gray JA

更新日期：1992-01-01 00:00:00

abstract：:The effects of flurazepam (0.0, 0.5, and 3.0 mg/kg) on methylphenidate-induced increases in stereotypy, gnawing, sniffing, and locomotion were evaluated in Swiss-Webster mice in daytime and nighttime experiments. Methylphenidate (50 mg/kg) increased overall stereotypy and stereotyped gnawing behavior; two doses of met...

journal_title：Psychopharmacology

authors： Risch C,Kripke D,Janowsky D

更新日期：1980-01-01 00:00:00

abstract：:This experiment examined the effect of destruction of the ascending 5-hydroxytryptaminergic (5HTergic) pathways on performance in a free-operant timing schedule. Rats received either injections of 5,7-dihydroxytryptamine into the dorsal and median raphe nuclei or sham lesions. They were trained to press levers for a s...

journal_title：Psychopharmacology

authors： al-Zahrani SS,Ho MY,Velazquez Martinez DN,Lopez Cabrera M,Bradshaw CM,Szabadi E

更新日期：1996-10-01 00:00:00

abstract：:In the present study we have investigated the effects of diazepam (DZP) (10 mg/kg) treatment of rat dams during different periods of gestation or during lactation on the development and behavior of their offspring. The results show that DZP exposure during different phases of early development has differing effects on...

journal_title：Psychopharmacology

authors： Frieder B,Epstein S,Grimm VE

更新日期：1984-01-01 00:00:00

abstract：INTRODUCTION:Gelsemine is a natural alkaloid extracted from Gelsemium elegans Benth., a traditional Chinese medicinal herb. Gelsemine has been shown to penetrate the brain, and could produce neurological activities, such as anxiolytic and neuralgia-alleviating effects, suggesting that this natural compound might be use...

journal_title：Psychopharmacology

authors： Chen L,Pan H,Bai Y,Li H,Yang W,Lin ZX,Cui W,Xian YF

更新日期：2020-07-01 00:00:00

abstract：RATIONALE:Spontaneous fluctuations in the size of the pupil in darkness are a recognized index of sleepiness, and these fluctuations can be quantitatively measured using the pupillographic sleepiness test (PST). The central noradrenergic system is believed to play a role in the maintenance of alertness, and there is ev...

journal_title：Psychopharmacology

authors： Phillips MA,Szabadi E,Bradshaw CM

更新日期：2000-05-01 00:00:00

abstract：:The effect of diazepam on spatial visualization was studied using a double-blind crossover design. Diazepam 10 mg (or placebo) was given orally to 12 healthy young men at bedtime, followed again by 10 mg (or placebo) the next morning. One hour after the administration of the morning dose, the subjects performed a ment...

journal_title：Psychopharmacology

authors： Taylor J,Hunt E,Coggan P

更新日期：1987-01-01 00:00:00