Persistence of visual cortex dendritic alterations induced by postweaning exposure to a "superenriched" environment in rats.

abstract：:This study was prompted by reports of functionally normal humans with micrencephaly or cortical hypoplasia. Methylazoxymethanol acetate (MAM) treatment, which induces micrencephaly in rats, was administered by injection (20 mg/kg) on gestational day 14. Prior to weaning and into adulthood, offspring were assessed on m...

journal_title：Behavioral neuroscience

authors： Ferguson SA,Racey FD,Paule MG,Holson RR

更新日期：1993-12-01 00:00:00

abstract：:This study reexamined Grigson's reward comparison hypothesis (1997), which claimed to have resolved the paradox of addictive, rewarding drugs manifesting an aversive effect in the conditioned taste aversion (CTA) paradigm. Here, the authors compared the conditioned suppression effects of lithium chloride (LiCl) and am...

journal_title：Behavioral neuroscience

authors： Huang AC,Hsiao S

更新日期：2008-12-01 00:00:00

abstract：:The authors demonstrated the efficacy of enriched housing conditions in promoting the behavioral recovery and neuronal survival following subicular lesion in rats. Chemical lesioning of the ventral subiculum impaired the spatial learning performances in rats. The lesion also induced a significant degree of neurodegene...

journal_title：Behavioral neuroscience

authors： Dhanushkodi A,Bindu B,Raju TR,Kutty BM

更新日期：2007-06-01 00:00:00

abstract：:Activation of memory retrieval after weak learning (WL), during either the short- or intermediate-term stages of memory in day-old chickens, resulted in the strengthening of the memory to levels normally associated with strong learning. Administration of the calcium channel antagonist lanthanum chloride, the glutamate...

journal_title：Behavioral neuroscience

authors： Summers MJ,Crowe SF,Ng KT

更新日期：2000-08-01 00:00:00

abstract：:This study investigated the role of the endogenous opioid system in maternal and affiliative behavior of group-living rhesus macaque (Macaca mulatta) mothers with a history of abusive parenting. Eighteen mothers received an injection of the opioid antagonist naltrexone or saline for 5 days per week for the first 4 wee...

journal_title：Behavioral neuroscience

authors： Graves FC,Wallen K,Maestripieri D

更新日期：2002-06-01 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：:The rewarding properties of centrally administered ethanol (EtOH) were examined using a conditioned place preference (CPP) test. Male rats subjected to bilateral intracerebroventricular (icv) infusions of EtOH (0-240 nmol) produced a dose-dependent preference for the drug-paired environment that was potentiated by con...

journal_title：Behavioral neuroscience

authors： Walker BM,Ettenberg A

更新日期：2007-04-01 00:00:00

abstract：:The influence of 4-hydroxyamphetamine (4-OHAM) on food and water intake and in vivo brown adipose thermogenesis was examined in two experiments. In Experiment 1, female rats were treated with 0.00, 0.25, 0.50, 1.00, or 2.00 mg/kg 4-OHAM (ip) prior to assessment of interscapular brown adipose tissue (IBAT) thermogenesi...

journal_title：Behavioral neuroscience

authors： Wellman PJ,Watkins-Freeman PA

更新日期：1984-12-01 00:00:00

abstract：:Adult rats that were isolated from the mother and nest for 1 hr per day from Postnatal Day 2 to 9 were studied. Controls consisted of handled littermates as well as separate litters that were never handled. As adults, animals were given either a pharmacological challenge (1.0 or 2.0 mg/kg amphetamine) or an environmen...

journal_title：Behavioral neuroscience

authors： Kehoe P,Shoemaker WJ,Triano L,Callahan M,Rappolt G

更新日期：1998-02-01 00:00:00

abstract：:Microstructural analysis of licking behavior in the rat was conducted (a) to describe in detail the characteristics of benzodiazepine-induced changes in ingestion and (b) to determine if the changes are consistent with an alteration in palatability. The effects of the benzodiazepine receptor (BZR) agonist midazolam (0...

journal_title：Behavioral neuroscience

authors： Higgs S,Cooper SJ

更新日期：1998-04-01 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：:In sighted humans, light intensity, timing, exposure duration, and spectral composition of light are important to entrain the endogenous circadian pacemaker to the 24-h day-night cycle. We tested the impact of two realistic office lighting conditions during the afternoon on subjective sleepiness, hormonal secretion, a...

journal_title：Behavioral neuroscience

authors： Münch M,Linhart F,Borisuit A,Jaeggi SM,Scartezzini JL

更新日期：2012-02-01 00:00:00

abstract：:Recent studies of delay eyeblink conditioning (EBC) in young rats have demonstrated different effects of various conditioned and unconditioned stimulus (CS-US) preexposure conditions on learning at different ages. The present study extends this research to trace EBC. Subjects experienced 1 of 3 preexposure conditions ...

journal_title：Behavioral neuroscience

authors： Claflin DI,Buffington ML

更新日期：2006-04-01 00:00:00

abstract：:The behavior of fetal rats was examined on Day 19 of gestation with procedures that enabled chemical stimulation and direct observation of fetuses. Rat fetuses are sensitive to both tactile stroking and intraoral infusion of chemical solutions, but the pattern and amount of activity depend upon the modality of stimula...

journal_title：Behavioral neuroscience

authors： Smotherman WP,Robinson SR

更新日期：1988-02-01 00:00:00

abstract：:This study was performed with male rats categorized as sexually naive (SN), sexually active (SA), or sexually inactive (SI). In a first experiment the effects of dopamine (DA) D2 agonist SND 919 (0.05, 1, and 10 mg/kg) on the copulatory behavior of SN, SA and SI rats were assessed. In a second experiment the DA D2 ago...

journal_title：Behavioral neuroscience

authors： Giuliani D,Ferrari F

更新日期：1996-08-01 00:00:00

abstract：:The present study examined the effects of lesions of the central nucleus of the amygdala (CeA) on the acquisition of a new response with conditioned reinforcement (CR) and its potentiation by intra-accumbens infusions of d-amphetamine (1, 3, 10, and 20 microg/microl). Rats were trained to associate a light-plus-noise ...

journal_title：Behavioral neuroscience

authors： Robledo P,Robbins TW,Everitt BJ

更新日期：1996-10-01 00:00:00

abstract：:The ability to attend to appropriate stimuli, to plan actions and then alter those actions when environmental conditions change, is essential for an organism to thrive. There is increasing evidence that these executive control processes are mediated in part by N-methyl-D-aspartate receptors (NMDAR). NMDAR subunits con...

journal_title：Behavioral neuroscience

authors： Thompson SM,Josey M,Holmes A,Brigman JL

更新日期：2015-04-01 00:00:00

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 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：:In Pavlovian overshadowing, a stimulus that predicts a biologically important event reduces conditioning to another, equally predictive stimulus. We tested the effects of an opioid antagonist and dopamine agonist on the ability of a salient white noise to overshadow a less salient light. Rats were conditioned to fear ...

journal_title：Behavioral neuroscience

authors： Zelikowsky M,Fanselow MS

更新日期：2010-08-01 00:00:00

abstract：:Previous literature suggests that the hippocampus subserves processes associated with the encoding of novel information. To investigate the role of different subregions of the hippocampus, the authors made neurotoxic lesions in different subregions of the dorsal hippocampus (i.e., CA1, dentate gyrus [DG], or CA3) of r...

journal_title：Behavioral neuroscience

authors： Lee I,Hunsaker MR,Kesner RP

更新日期：2005-02-01 00:00:00

abstract：:Lurcher mutant (+/Lc) mice exhibit a massive loss of neurons in the cerebellar cortex and in the inferior olivary nucleus while deep cerebellar nuclei are essentially intact. To discriminate the respective participation of the cerebellar cortex and deep structures in learning and memory, the authors subjected 3- to 6-...

journal_title：Behavioral neuroscience

authors： Caston J,Vasseur F,Delhaye-Bouchaud N,Mariani J

更新日期：1997-02-01 00:00:00

abstract：:Lesion studies have shown that the avian hippocampus plays a crucial role in homing pigeon (Columba livia) navigation. Using the expression of the immediate early gene protein ZENK in intact pigeons, the authors found regional variation in hippocampal activation as a consequence of homing and, necessarily, the behavio...

journal_title：Behavioral neuroscience

authors： Shimizu T,Bowers AN,Budzynski CA,Kahn MC,Bingman VP

更新日期：2004-08-01 00:00:00

abstract：:The context preexposure facilitation effect (CPFE) is a variant of contextual fear conditioning in which context learning, context-shock association, and expression of context conditioning occur in 3 separate phases-preexposure, training, and testing. During the preexposure phase, the CPFE is disrupted by hippocampal ...

journal_title：Behavioral neuroscience

authors： Robinson-Drummer PA,Dokovna LB,Heroux NA,Stanton ME

更新日期：2016-04-01 00:00:00

abstract：:Habituation has traditionally been considered a nonassociative form of learning. However, recent research suggests that retention of this nonassociative form of learning may be aided by associations formed during training. An example of this is context conditioning, in which animals that are trained and tested in the ...

journal_title：Behavioral neuroscience

authors： Rankin CH

更新日期：2000-06-01 00:00:00

abstract：:This study uses an operant, behavioral model to assess the daily changes in the decay rate of short-term memory, motivation, and motor ability in rats exposed to chronic restraint. Restraint decreased reward-related motivation by 50% without altering memory decay rate or motor ability. Moreover, chronic restraint impa...

journal_title：Behavioral neuroscience

authors： Kleen JK,Sitomer MT,Killeen PR,Conrad CD

更新日期：2006-08-01 00:00:00

abstract：:The amygdala is an integrator of affective processing, and a key component of a network regulating social behavior. While decades of lesion studies in nonhuman primates have shown alterations in social interactions after amygdala damage, acute manipulations of the amygdala in primates have been underexplored. We recen...

journal_title：Behavioral neuroscience

authors： Forcelli PA,Wellman LL,Malkova L

更新日期：2017-04-01 00:00:00

abstract：:In humans and some nonhuman vertebrates, a sound containing brief silent gaps can be rendered perceptually continuous by inserting noise into the gaps. This so-called "continuity illusion" arises from a phenomenon known as "auditory induction" and results in the perception of complete auditory objects despite fragment...

journal_title：Behavioral neuroscience

authors： Baugh AT,Ryan MJ,Bernal XE,Rand AS,Bee MA

更新日期：2016-02-01 00:00:00

abstract：:In four experiments we reexamined the recent report by Labbe, Firl, Mufson, and Stein (1983) that fetal cortical tissue transplanted to an aspirative prefrontal cortical cavity in rats can ameliorate the learning impairments induced by the aspirative lesions. Healthy surviving grafts from young (E16) embryonic donors ...

journal_title：Behavioral neuroscience

authors： Dunnett SB,Ryan CN,Levin PD,Reynolds M,Bunch ST

更新日期：1987-08-01 00:00:00

abstract：:The addition of extra light-alone or rotation-alone presentations to sequences of light-rotation pairings reduced the associative suppression of phototaxic behavior for the nudibranch Hermissenda. Training-induced changes in Type B photoreceptor light responses were found to parallel the training-induced behavioral ch...

journal_title：Behavioral neuroscience

authors： Farley J

更新日期：1987-02-01 00:00:00