abstract：:Fetal and maternal data were monitored serially at 6 gestational ages from 20 to 38 weeks in 195 Peruvian fetuses. Digitized data included fetal heart rate and motor activity, as well as maternal heart rate and electrodermal conductance. Time series analysis evaluated the development of synchrony in 2 streams of fetal...

journal_title：Behavioral neuroscience

authors： DiPietro JA,Caulfield LE,Irizarry RA,Chen P,Merialdi M,Zavaleta N

更新日期：2006-06-01 00:00:00

abstract：:Chorda tympani nerve (CT) transection in rats severely impairs NaCl taste detection. These rats can detect higher concentrations of NaCl, however, suggesting that remaining oral nerves maintain some salt sensibility. Rats were tested in a gustometer with a 2-response operant taste-detection task before and after sham ...

journal_title：Behavioral neuroscience

authors： Blonde GD,Garcea M,Spector AC

更新日期：2006-06-01 00:00:00

abstract：:To explore the role of the cerebellum in sustained attention, the authors tested lurcher, wildtype, and lurcher chimeric mice with zero, normal, and variable numbers of Purkinje cells, respectively, in a previously validated task of sustained attention. Results indicate that lurcher mice had a deficit in performance l...

journal_title：Behavioral neuroscience

authors： Martin LA,Goldowitz D,Mittleman G

更新日期：2006-04-01 00:00:00

abstract：:The effects of dl-cathinone on milk intake and motor activity were investigated in bottle- and cannula-fed rats. Acute injections of cathinone produced dose-dependent increases in activity in both groups but only produced decreased intake in bottle-fed rats. With chronic injections, tolerance to the suppression of int...

journal_title：Behavioral neuroscience

authors： Wolgin DL,Munoz JR

更新日期：2006-04-01 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：:To determine whether dopamine signaling in the dorsal striatum is sufficient for performance of goal-directed behaviors, local dopamine production was restored in the dorsal striatum of dopamine-deficient (DD) mice through viral-mediated gene therapy. Virally rescued DD (vrDD) mice were tested for learning of an appet...

journal_title：Behavioral neuroscience

authors： Robinson S,Sotak BN,During MJ,Palmiter RD

更新日期：2006-02-01 00:00:00

abstract：:Social interaction may elicit aggression, establish social rank, and be influenced by changes in central dopaminergic activity. In the lizard Anolis carolinensis, a sign stimulus (darkening of postorbital skin or eyespots) inhibits aggressive response from opponents, in part because it forms more rapidly in dominant m...

journal_title：Behavioral neuroscience

authors： Korzan WJ,Forster GL,Watt MJ,Summers CH

更新日期：2006-02-01 00:00:00

abstract：:Mu-opioid receptors in the ventrolateral quadrant midbrain periaqueductal gray (vIPAG) contribute to extinction of conditioned fear. The present experiment studied whether fear extinction could be facilitated by infusions of a peptidase inhibitor that reduces catabolism of vIPAG enkephalins. Rats were trained to fear ...

journal_title：Behavioral neuroscience

authors： McNally GP

更新日期：2005-12-01 00:00:00

abstract：:Rats received kindling stimulations to the perirhinal cortex (PRh), ventral hippocampus (VH), or dorsal hippocampus (DH) in 1 environment and an equivalent number of sham stimulations in a 2nd environment. The PRh-kindled rats displayed rapid kindling and a swift emergence of conditioned interictal defensiveness. In c...

journal_title：Behavioral neuroscience

authors： Barnes SJ,Hua JM,Pinel JP,Takahashi A,Wig GS

更新日期：2005-12-01 00:00:00

abstract：:Exposure to an acute stressful event enhances trace eyeblink conditioning in male rats, even when rats begin training days after the stressor (Shors, 2001). The authors examined whether the bed nucleus of the stria terminalis (BNST), an area involved in stress and anxiety, is critically involved in this effect and, if...

journal_title：Behavioral neuroscience

authors： Bangasser DA,Santollo J,Shors TJ

更新日期：2005-12-01 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：:Electrolytic microlesions aimed at the dorsomedial portion of the ventromedial nucleus (VMN) of the hypothalamus were generated, and effects on copulation, 50-kHz vocalizations, scent marking, and sexual motivation were measured. Male rats were tested before and after lesions, after castration, and after testosterone ...

journal_title：Behavioral neuroscience

authors： Harding SM,McGinnis MY

更新日期：2005-10-01 00:00:00

abstract：:The cAMP-responsive element binding protein (CREB) is a transcription factor that regulates synaptic plasticity and memory formation. Studies that have used conditioned fear models have established that CREB is important for the acquisition and consolidation of fear learning. The authors demonstrate that overexpressio...

journal_title：Behavioral neuroscience

authors： Jasnow AM,Shi C,Israel JE,Davis M,Huhman KL

更新日期：2005-08-01 00:00:00

abstract：:Four experiments studied the opioid receptor subtype and signal transduction mechanisms mediating fear extinction in the ventrolateral quadrant of the midbrain periaqueductal gray (vlPAG). Microinjection of a mu- but not a delta- or kappa-opioid receptor antagonist into the vlPAG retarded extinction. Extinction was al...

journal_title：Behavioral neuroscience

authors： McNally GP,Lee BW,Chiem JY,Choi EA

更新日期：2005-08-01 00:00:00

abstract：:In the current study, the authors investigated whether Morris water maze learning induces alterations in hippocampal neurogenesis or neural cell adhesion molecule (NCAM) polysialylation in the dentate gyrus. Two frequently used rat strains, Wistar and Sprague-Dawley, were trained in the spatial or the nonspatial versi...

journal_title：Behavioral neuroscience

authors： Van der Borght K,Wallinga AE,Luiten PG,Eggen BJ,Van der Zee EA

更新日期：2005-08-01 00:00:00

abstract：:Two causes of forgetting have been promulgated: memory trace decay and retroactive interference. The authors show that forgetting is an active process requiring both new learning and memory. In the present (1)Lymnaea model system, prevention of new learning of a conflicting association, inhibition of memory consolidat...

journal_title：Behavioral neuroscience

authors： Sangha S,Scheibenstock A,Martens K,Varshney N,Cooke R,Lukowiak K

更新日期：2005-06-01 00:00:00

abstract：:Recent evidence suggests that underlying patterns of cortical activation may partially account for individual differences in susceptibility to the effects of sleep deprivation. Here, functional magnetic resonance imaging (fMRI) was used to examine the activation of military pilots whose sleep-deprivation vulnerability...

journal_title：Behavioral neuroscience

authors： Caldwell JA,Mu Q,Smith JK,Mishory A,Caldwell JL,Peters G,Brown DL,George MS

更新日期：2005-06-01 00:00:00

abstract：:Following spinal transection of the upper thoracic spinal cord, male Sprague-Dawley rats given legshock whenever a hindlimb is extended learn to maintain the leg in a flexed position. The region of the cord that mediates this instrumental learning was isolated using neuroanatomical tracing, localized infusion of lidoc...

journal_title：Behavioral neuroscience

authors： Liu GT,Ferguson AR,Crown ED,Bopp AC,Miranda RC,Grau JW

更新日期：2005-04-01 00:00:00

abstract：:Two experiments explored the role of the opioid system in a situation involving a surprising reduction in reward magnitude: consummatory successive negative contrast. Rats received access to 32% sucrose solution (preshift Trials 1-10) followed by 4% solution (postshift Trials 11-15). Independent groups received an inj...

journal_title：Behavioral neuroscience

authors： Wood M,Daniel AM,Papini MR

更新日期：2005-04-01 00:00:00

abstract：:Models of hippocampal function have proposed different functions for hippocampal regions CA3 and CA1, commonly proposing that CA1 performs a match-mismatch comparison of memory retrieval with sensory input. The study by I. Lee, M. R. Hunsaker, and R. P. Kesner (2005) tested these models using selective lesions of hipp...

journal_title：Behavioral neuroscience

authors： Hasselmo ME

更新日期：2005-02-01 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：: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：:Available evidence indicates that common genes influence alcohol and tobacco abuse in humans. The studies reported here used mouse models to evaluate the hypothesis that genetically determined variability in the alpha4beta2* nicotinic receptor modulates genetically determined variability in the intake of both nicotine...

journal_title：Behavioral neuroscience

authors： Butt CM,King NM,Hutton SR,Collins AC,Stitzel JA

更新日期：2005-02-01 00:00:00

abstract：:Repeated exposure to female-related stimuli causes functional alterations in the neural circuitry mediating male rat sexual behavior. In a study published in the current issue of this journal, G. M. Lagoda, J. W. Muschamp, A. Vigdorchik, and E. M. Hull (2004) provide interesting new evidence as to the mechanisms respo...

journal_title：Behavioral neuroscience

authors： Coolen LM

更新日期：2004-12-01 00:00:00

abstract：:Studies have shown that noxious cutaneous stimulation engages physiologically different antinociceptive systems to inhibit a spinal reflex, tail withdrawal from radiant heat. Two experiments are reported that examine the relationship between the inhibition of the tail-flick response and brain-mediated responses to noc...

journal_title：Behavioral neuroscience

authors： Crown ED,Grau JW,Meagher MW

更新日期：2004-12-01 00:00:00

abstract：:Dopamine in the medial preoptic area (MPOA) facilitates copulation in male rats, and nitric oxide (NO) regulates basal and female-stimulated MPOA dopamine release. Microinjection of L-nitro-arginine methyl ester (L-NAME, an NO synthesis inhibitor) into the MPOA blocked copulation in naive rats and impaired copulation ...

journal_title：Behavioral neuroscience

authors： Lagoda G,Muschamp JW,Vigdorchik A,Hull EM

更新日期：2004-12-01 00:00:00

abstract：:A learning event can be dissociated into 3 components: acquisition, storage, and recall. When the laboratory wild-type strain of Caenorhabditis elegans (N2 strain) is exposed to benzaldehyde in the absence of food, the worms display a reduction of their attractive response to this volatile odorant. This results from t...

journal_title：Behavioral neuroscience

authors： Atkinson-Leadbeater K,Nuttley WM,van der Kooy D

更新日期：2004-12-01 00:00:00

abstract：:Aggressive tendencies may be linked to the psychopharmacology of cocaine, yet few experimental approaches have been brought to bear on understanding the neurobiological implications of cocaine exposure during the developmentally sensitive period of adolescence. In this issue, Melloni and coauthors (L. A. Ricci, J. M. ...

journal_title：Behavioral neuroscience

authors： Cunningham KA

更新日期：2004-10-01 00:00:00

abstract：:Repeated administration of apomorphine leads to a context-dependent pecking response sensitization. Previously sensitized pigeons (Columba livia) challenged with saline in the same context show a conditioned response (CR). The authors studied the effects of intrastriatal injections of the dopamine (D(1)) antagonist SC...

journal_title：Behavioral neuroscience

authors： Acerbo MJ,Delius JD

更新日期：2004-10-01 00:00:00

abstract：:To test whether habituation is specific to the stimulus modality, the authors analyzed cross-habituation between the tactile startle response' (TSR) and the acoustic startle response (ASR). The acoustic artifacts of airpuffs used to elicit the TSR were reduced by using a silencer and were effectively masked by backgro...

journal_title：Behavioral neuroscience

authors： Pilz PK,Carl TD,Plappert CF

更新日期：2004-10-01 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：:These experiments tested whether nucleus accumbens muscarinic or nicotinic acetylcholine receptor activation is required for rats to learn to lever press for sucrose. Muscarinic blockade with scopolamine (1.0 microg/side or 10.0 microg/side), but not nicotinic antagonism with mecamylamine (10.0 microg/side), inhibited...

journal_title：Behavioral neuroscience

authors： Pratt WE,Kelley AE

更新日期：2004-08-01 00:00:00

abstract：:The authors measured the effects of centrally infused peptides on social approach behaviors in goldfish (Carassius auratus), a social teleost. Vasotocin (VT) inhibited approach responses toward the visual stimuli of conspecifics in the absence of aggressive or sexual olfactory contextual cues in males, and a V1 recept...

journal_title：Behavioral neuroscience

authors： Thompson RR,Walton JC

更新日期：2004-06-01 00:00:00

abstract：:To examine whether the hippocampus is required for memory for unique experiences independent of their spatial or temporal context, the authors devised a novel task that requires rats to remember odor-reward associations formed within a single training trial. Unlike previous tests of 1-trial memory, in this task new as...

journal_title：Behavioral neuroscience

authors： Wood ER,Agster KM,Eichenbaum H

更新日期：2004-06-01 00:00:00

abstract：:The acoustic startle reflex (ASR) is potentiated during negative emotion, but attenuated during positive emotional experience. The modulation of the ASR by fear depends critically on the amygdala. The authors investigated ASR modulation to fearful, disgusting, pleasant, and neutral stimuli in 12 patients with unilater...

journal_title：Behavioral neuroscience

authors： Buchanan TW,Tranel D,Adolphs R

更新日期：2004-04-01 00:00:00

abstract：:Neuronal recruitment in the black-capped chickadee (Poecile atricapillus) hippocampus occurs at a higher rate in the fall than at other times of the year. As a means of determining whether this increase in recruitment results from greater neuron production, chickadees were caught in the wild between October and March ...

journal_title：Behavioral neuroscience

authors： Hoshooley JS,Sherry DF

更新日期：2004-04-01 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：:Experimental data and computational models suggest that blockade of muscarinic cholinergic receptors impairs paired-associate learning and increases proactive interference (E. DeRosa & M. E. Hasselmo, 2000; M. E. Hasselmo & J. M. Bower, 1993). The results presented here provide evidence in humans supporting these hypo...

journal_title：Behavioral neuroscience

authors： Atri A,Sherman S,Norman KA,Kirchhoff BA,Nicolas MM,Greicius MD,Cramer SC,Breiter HC,Hasselmo ME,Stern CE

更新日期：2004-02-01 00:00:00

abstract：:In macaque monkeys (Macaco mulatta), memory for scenes presented on touch screens is fornix dependent. However, scene learning is not a purely spatial task, and existing direct evidence for a fornix role in spatial memory comes exclusively from tasks involving learning about food-reward locations. Here the authors dem...

journal_title：Behavioral neuroscience

authors： Buckley MJ,Charles DP,Browning PG,Gaffan D

更新日期：2004-02-01 00:00:00

abstract：:Rats were exposed to shock-paired cues immediately after training on an appetitive preference task. Elevated levels of freezing in and active avoidance of the shock-paired compartment were observed, and memory for the appetitive task was improved when tested 24 hr later. Intra-amygdala muscimol injected before the pos...

journal_title：Behavioral neuroscience

authors： Holahan MR,White NM

更新日期：2004-02-01 00:00:00