Cholinergic mechanisms of the context preexposure facilitation effect in adolescent rats.

abstract：:Pinealectomized lizards (Podarcis sicula) whose locomotor rhythms were recorded in constant temperature (29 degrees C) and darkness were subdivided into 2 groups of hosts: Each belonging to the 1st group (experimentals) received from a donor a pineal gland, and each belonging to the 2nd one (controls) received a piece...

journal_title：Behavioral neuroscience

authors： Foà A,Bertolucci C,Marsanich A,Innocenti A

更新日期：1997-10-01 00:00:00

abstract：:The role of thyroid hormones in vertebrate development has been well documented for several decades. As hypothyroidism during critical periods of development can cause defects to the development of every major organ system, including brain, eye, and general morphology, we hypothesized that hypothyroidism would affect ...

journal_title：Behavioral neuroscience

authors： Reider M,Connaughton VP

更新日期：2015-10-01 00:00:00

abstract：:The aim of this study was to investigate the effects of postnatal choline supplementation on neurochemical and behavioral parameters in preweanling BALB/cByJ mice. Mouse pups were injected daily subcutaneously with choline chloride (0.85 mM/g body weight) from Postnatal Day (PND) 1 to PND 16. Pups performed a passive ...

journal_title：Behavioral neuroscience

authors： Ricceri L,Berger-Sweeney J

更新日期：1998-12-01 00:00:00

abstract：:The role of cholecystokinin (CCK) in food intake was investigated in rats by using BIM-18216, a novel CCK receptor antagonist. In rats fed 6 hr/day, BIM-18216 antagonized the reduction of food intake induced by exogenous CCK octapeptide (CCK-8; 4 micrograms/kg) in a dose-dependent manner and had a maximum effect at 1 ...

journal_title：Behavioral neuroscience

authors： Laferrere B,Nguyen M,Bonhomme G,Legall A,Basdevant A,Guy-Grand B

更新日期：1991-10-01 00:00:00

abstract：:Relations between sleep and memory were examined as a function of aging in rats. Sleep (24 hr), passive avoidance retention, and choline acetyltransferase (CAT) activity were assessed in 3 age-groups (6, 15, and 24 months old). Age-related alterations were evident in sleep, memory, and cortical and striatal CAT activi...

journal_title：Behavioral neuroscience

authors： Stone WS,Altman HJ,Berman RF,Caldwell DF,Kilbey MM

更新日期：1989-08-01 00:00:00

abstract：:Behavioral changes induced by inescapable shock were examined in six strains of mice. Exposure to shock provoked time-dependent disturbances of shuttle escape performance. In some strains the shock treatment did not affect escape performance, whereas in others profound performance deficits were evident. The inescapabl...

journal_title：Behavioral neuroscience

authors： Shanks N,Anisman H

更新日期：1988-12-01 00:00:00

abstract：:The hippocampus has been implicated in anxiety, novelty detection, spatial- contextual processing, and hyperactivity. Accordingly, the authors contrasted the role of the dorsal hippocampus (DH) and the basolateral amygdala complex (BLA) in an open field task that presents the onset and termination of a bright light gr...

journal_title：Behavioral neuroscience

authors： Godsil BP,Stefanacci L,Fanselow MS

更新日期：2005-10-01 00:00:00

abstract：:This series of experiments investigated the role of a prefrontal cortical-dorsal striatal circuit in attention, using a continuous performance task of sustained and spatially divided visual attention. A unilateral excitotoxic lesion of the medial prefrontal cortex and a contralateral lesion of the medial caudate-putam...

journal_title：Behavioral neuroscience

authors： Christakou A,Robbins TW,Everitt BJ

更新日期：2001-08-01 00:00:00

abstract：:Caffeine is a psychostimulant frequently consumed by adults and children, often in combination with high levels of sugar. Chronic pretreatment with either substance can amplify both amphetamine and cocaine-induced hyperactivity in rodents. The present study sought to elucidate whether age at the time of exposure to su...

journal_title：Behavioral neuroscience

authors： Franklin JL,Wearne TA,Homewood J,Cornish JL

更新日期：2017-08-01 00:00:00

abstract：:Female ovariectomized (OVX) and sham-OVX rats were trained in a task designed to assess sustained attention. After achieving asymptotic performance, OVX rats did not exhibit the impairment in performance over blocks of trials (i.e., the vigilance decrement) observed in sham-OVX rats. Furthermore, OVX rats' performance...

journal_title：Behavioral neuroscience

authors： McGaughy J,Sarter M

更新日期：1999-12-01 00:00:00

abstract：:Theories of habituation have included an increase in postsynaptic inhibition as one possible mechanism underlying response decrement following repetitive stimulus presentation. In this study, the glycine antagonist strychnine (1.0 mg/kg, ip, 10 min pretreatment) was used to investigate the involvement of glycinergic n...

journal_title：Behavioral neuroscience

authors： Kehne JH,Davis M

更新日期：1984-12-01 00:00:00

abstract：:In infant rats, administration of the alpha2 adrenoceptor agonist clonidine simultaneously evokes ultrasound production and bradycardia. In this study the authors examined in 8-day-old rats whether these 2 responses to clonidine are causally related. In Experiment 1 pups were pretreated with saline or prenalterol (0.1...

journal_title：Behavioral neuroscience

authors： Blumberg MS,Kreber LA,Sokoloff G,Kent KJ

更新日期：2000-06-01 00:00:00

abstract：:A high level of dopaminergic activation such as that produced by a high dose of amphetamine suppresses eating, whereas a low level such as that produced by a low dose can have the opposite effect. Like a high dose of amphetamine, a high level of wheel running also suppresses eating. It was hypothesized that this suppr...

journal_title：Behavioral neuroscience

authors： Lett BT,Grant VL,Gaborko LL

更新日期：1996-12-01 00:00:00

abstract：:The role of the hippocampus in associative learning was investigated in 3 experiments with rats as subjects. Hippocampal rats were impaired in the acquisition of conditioned responding both when food was signaled by the insertion of a lever (Experiment 1) and when the presentation of auditory or visual events served a...

journal_title：Behavioral neuroscience

authors： Good M,Honey RC

更新日期：1991-08-01 00:00:00

abstract：:This study was conducted to investigate the effects of instruction types on hemispheric activation and accurate selection of spatial stimuli that had been previously presented at a subliminal level. Right-handed females randomly received either an "analytic" or a "holistic" instruction. Both groups first saw a series ...

journal_title：Behavioral neuroscience

authors： Barchas PR,Perlaki KM

更新日期：1986-06-01 00:00:00

abstract：:Sexually experienced female rats return to the male more quickly after intromissions, exhibit shorter interintromission intervals, and spend more time with the male rat during a test of paced mating behavior in comparison to naïve rats. The present study tested whether these changes reflect heightened sexual motivatio...

journal_title：Behavioral neuroscience

authors： Meerts SH,Park JH,Sekhawat R

更新日期：2016-10-01 00:00:00

abstract：:Regulation of energy intake depends in part on both memory for prior food intake and internal signals of hunger and satiety. These functions are both mediated by the hippocampus, a brain structure that animal studies have shown to be impaired after maintenance on high fat and refined sugar (HFS) diets. Study 1, using ...

journal_title：Behavioral neuroscience

authors： Francis HM,Stevenson RJ

更新日期：2011-12-01 00:00:00

abstract：:Plasma corticosterone levels were evaluated during operant conditioning in order to determine the effect of reinforced and nonreinforced responding (extinction) on adrenal activation. The influence of instrumental responding was assessed by comparing trained rats with yoked subjects that received a matched reward sche...

journal_title：Behavioral neuroscience

authors： Coe CL,Stanton ME,Levine S

更新日期：1983-08-01 00:00:00

abstract：:Estrogens have been shown to rapidly promote male copulatory behaviors with a time-course that suggests rapid signaling events are involved. The present study tested the hypothesis that estrogen acts through a novel Gq protein-coupled membrane estrogen receptor (ER). Thus, either estradiol (E2), STX (a diphenylacrylam...

journal_title：Behavioral neuroscience

authors： Kaufman KR,Kelly MJ,Roselli CE

更新日期：2013-08-01 00:00:00

abstract：:There is evidence that the nitric oxide (NO)/soluble guanylyl cyclase (sGC)/cGMP-dependent protein kinase (PKG) signaling pathway in the basal lateral amygdala and hippocampus plays a key role in memory processing, but it is not known if this NO signaling pathway in the nucleus accumbens (Gomes et al., 2006), a known ...

journal_title：Behavioral neuroscience

authors： Shen F,Wang N,Qi C,Li YJ,Cui CL

更新日期：2014-08-01 00:00:00

abstract：:Sexually receptive females mount sexually sluggish males to entice them to copulate, and estrogen and male olfactory cues mediate this female-male mounting (FMM) in the rat. This study examined whether brain regions that concentrate steroid hormones and receive olfactory projections were important for the mediation of...

journal_title：Behavioral neuroscience

authors： Afonso VM,Lehmann H,Tse M,Woehrling A,Pfaus JG

更新日期：2009-04-01 00:00:00

abstract：:Sniffing, a behavior that enhances detection and localization of odorants, is typically assumed to require behavioral arousal. In an effort to determine whether sniffing and arousal are dissociable, dimethyl disulfide (DMDS) was presented to 8-day-old rats while respiration and behavioral state were monitored. Pups sn...

journal_title：Behavioral neuroscience

authors： Seelke AM,Blumberg MS

更新日期：2004-04-01 00:00:00

abstract：:A unilateral microinjection of morphine into the amygdala impaired fear conditioning to both a conditioned stimulus (CS) paired with shock and the context where shock occurred, whereas a microinjection of morphine into the nucleus accumbens (NA) spared fear conditioning to the CS but impaired, in a dose-dependent and ...

journal_title：Behavioral neuroscience

authors： Westbrook RF,Good AJ,Kiernan MJ

更新日期：1997-10-01 00:00:00

abstract：:In 3 experiments, the authors examined the role of adenosine regulation in escape deficits produced by earlier exposure to inescapable shock in rats (learned helplessness). Adenosine analogs injected before escape testing mimicked the effect of earlier inescapable shock, with the magnitude of the deficit varying with ...

journal_title：Behavioral neuroscience

authors： Minor TR,Winslow JL,Chang WC

更新日期：1994-04-01 00:00:00

abstract：:Alert wakefulness (W) and rapid eye movement sleep (REM) are remarkably similar on several measures of brain activity, but 2 differences in REM are reduced sensory responsiveness and atonia in postural muscles. Pontine tegmental lesions create REM without atonia (REM-A), releasing motor behavior. In 9 cats, we studied...

journal_title：Behavioral neuroscience

authors： Morrison AR,Sanford LD,Ball WA,Mann GL,Ross RJ

更新日期：1995-10-01 00:00:00

abstract：:This review focuses on research on both the neural substrate of maternal responsiveness and on the physiological, behavioral, and motivational adaptations to the maternal state. The female's response to her young is presented as a model motivational system and the mechanisms and neural circuitry through which the medi...

journal_title：Behavioral neuroscience

authors： Numan M,Woodside B

更新日期：2010-12-01 00:00:00

abstract：:A good deal is known about psychological factors that contribute to reward value, but very little is known about how reward is computed in the brain. Integration in the circuit for brain stimulation reward may provide a simple model system. Parametric studies have favored the idea that the integration is linear, altho...

journal_title：Behavioral neuroscience

authors： Hawkins RD

更新日期：2011-12-01 00:00:00

abstract：:The common assumption that perceptual sensitivities are related to neural representations of sensory stimuli has seldom been directly demonstrated. The authors analyzed the similarity of spike trains evoked by complex sounds in the rat auditory cortex and related cortical responses to performance in an auditory task. ...

journal_title：Behavioral neuroscience

authors： Orduña I,Mercado E 3rd,Gluck MA,Merzenich MM

更新日期：2005-02-01 00:00:00

abstract：:Acetylcholine (ACh) and noradrenaline (NA) release in the olfactory bulb (OB) of ewes was monitored using microdialysis. Both ACh and NA release increased at parturition in multiparous but not in primiparous ewes. However, vaginocervical stimulation performed 6 hr postpartum induced an increase of ACh and NA release i...

journal_title：Behavioral neuroscience

authors： Lévy F,Guevara-Guzman R,Hinton MR,Kendrick KM,Keverne EB

更新日期：1993-08-01 00:00:00

abstract：:Many studies have pointed to vulnerability to stress and stress-related pathologies at different timepoints during an individual's life span. These sensitive windows are usually during periods of neural development, such as embryogenesis, infancy, and adolescence. It is critical to understand how neural circuitry may ...

journal_title：Behavioral neuroscience

authors： Argue KJ,Neckameyer WS

更新日期：2013-10-01 00:00:00