Electrophysiological evidence that top-down knowledge controls working memory processing for subsequent visual search.

abstract：:Recent reports have suggested the existence of a causal relationship between impaired regression of multiple climbing fibre innervation and impaired motor coordination in protein kinase C gamma subunit (PKC gamma) mutant mice. In the present patch-clamp study, performed in thin cerebellar slices prepared from adult mu...

journal_title：Neuroreport

authors： Levenes C,Daniel H,Jaillard D,Conquet F,Crépel F

更新日期：1997-01-20 00:00:00

abstract：:We used fMRI to reveal the visual cortical activations during conventional or electro-acupuncture over four vision-implicated acupoints in 18 healthy volunteers and compared the results with those obtained during direct visual stimulation. Positive activations were seen over the visual cortex during visual stimulation...

journal_title：Neuroreport

authors： Li G,Cheung RT,Ma QY,Yang ES

更新日期：2003-04-15 00:00:00

abstract：:To investigate the neural substrates for the perception of motion and of position in depth, we examined the changes in regional cerebral blood flow during positional and motion stereopsis in humans by positron emission tomography. During positional stereopsis, the right striate and peristriate cortices (areas V1/V2 an...

journal_title：Neuroreport

authors： Nagahama Y,Takayama Y,Fukuyama H,Yamauchi H,Matsuzaki S,Magata Y,Shibasaki H,Kimura J

更新日期：1996-07-29 00:00:00

abstract：:Whole-cell recordings in voltage-clamp mode were performed on acutely isolated neurones from rat neocortex and neostriatum to examine the effects of the anticonvulsant phenytoin on a non-inactivating (persistent) Na+ current (INaP). INaP was chosen because it enhances neuronal excitability near firing threshold, which...

journal_title：Neuroreport

authors： Chao TI,Alzheimer C

更新日期：1995-09-11 00:00:00

abstract：:Bone marrow stromal cells are multipotent stem cells that have the potential to differentiate into bone, cartilage, fat and muscle. Recently, bone marrow stromal cells have been shown to have the capacity to differentiate into neurons under specific experimental conditions, using chemical factors. We now describe how ...

journal_title：Neuroreport

authors： Zurita M,Vaquero J,Oya S,Miguel M

更新日期：2005-04-04 00:00:00

abstract：:The NMa and NMb isoforms of cytochrome P450 enzymes are expressed in three nasal chemosensory organs: the olfactory, septal and vomeronasal mucosae. The NMa isoform is widely distributed throughout the nasal mucosa whereas the NMb isoform is present primarily in the chemosensory mucosae. The localization of cytochrome...

journal_title：Neuroreport

authors： Chen Y,Getchell ML,Ding X,Getchell TV

更新日期：1992-09-01 00:00:00

abstract：:Distracted driving remains a leading factor in fatal motor vehicle crashes, particularly in young drivers. Due to ongoing neuromaturation, attention capabilities are changing and improving throughout young adulthood. Here, we sought to bridge neuroscience with driving simulation by evaluating the effects of driving on...

journal_title：Neuroreport

authors： Banz BC,Wu J,Camenga DR,Mayes LC,Crowley MJ,Vaca FE

更新日期：2020-05-22 00:00:00

abstract：:In isolated neurons of Helix pomatia, a two-microelectrode voltage clamp technique was used to study the effect of Fe3+ on voltage-gated potassium currents: a low-threshold fast-inactivating current (I(A)) and a high threshold slow-inactivating current with calcium-dependent (I(C)) and calcium-independent (I(DR)) comp...

journal_title：Neuroreport

authors： Bukanova JV,Solntseva EI,Skrebitsky VG

更新日期：2007-08-27 00:00:00

abstract：:Cortical auditory categorization was assessed in 2-month-old infants at genetic risk for dyslexia and controls. Manipulated /bAk/ and /dAk/ speech stimuli were used as frequently presented standards. The neuroelectric brain responses of the control infants were highly sensitive to the phoneme boundary that separated t...

journal_title：Neuroreport

authors： van Leeuwen T,Been P,van Herten M,Zwarts F,Maassen B,van der Leij A

更新日期：2007-06-11 00:00:00

abstract：:To investigate the possibility that insulin-stimulated glucose uptake in C6 cells is due to transactivation of a G protein-mediated pathway, the role of Gq alpha in insulin signaling was studied. Insulin stimulation of [3H]2-deoxy-D-glucose (2DG) uptake by C6 cells was time- and concentration-dependent: at a concentra...

journal_title：Neuroreport

authors： Singh SP,Gao Y,Kunapuli SP,Ravindra R

更新日期：1997-07-07 00:00:00

abstract：:Insulin-like growth factor-1 (IGF-1) and erythropoietin (EPO) are induced in brain cells after brain ischemia and show synergistic neuroprotective effects. In LN215 astrocytoma cells, IGF-1 induced the activation of hypoxia-inducible factor-1, leading to increases in EPO mRNA levels and the secretion of EPO. Interesti...

journal_title：Neuroreport

authors： Kim I,Kim CH,Yim YS,Ahn YS

更新日期：2008-11-19 00:00:00

abstract：:In situ hybridization was used to localize mRNA encoding two cooperative serine/threonine kinase receptors. Activin receptor IIA mRNA in the adult rat brain is highly expressed in the dentate gyrus, in the pyramidal neurones of CA3 and CA1, in the entorhinal cortex, in the cortical amygdaloid nucleus and in the amygda...

journal_title：Neuroreport

authors： Bengtsson H,Söderström S,Ebendal T

更新日期：1995-12-29 00:00:00

abstract：:BALB/c mice were trained in a partial acquisition session of an appetitive bar-pressing task. They then received an immediate post-acquisition i.p. injection of either saline or apamin 0.2 mg kg-1. Each group was submitted to a retention test that was delayed either 25, 85 or 180 min after initial acquisition. In sali...

journal_title：Neuroreport

authors： Belcadi-Abbassi W,Destrade C

更新日期：1995-06-19 00:00:00

abstract：:ERPs were recorded from subjects performing semantic and rhyme matching tasks using either spoken words, printed words or pictures as stimuli. Mismatches enhanced N400 (in the semantic task) and N450 (in the rhyme task). Onset and peak latencies were shorter for N450 than for N400 with spoken words; this relationship ...

journal_title：Neuroreport

authors： Perez-Abalo MC,Rodriguez R,Bobes MA,Gutierrez J,Valdes-Sosa M

更新日期：1994-10-27 00:00:00

abstract：:Although accumulating evidence suggests that there are significant anatomical and histological differences between the sulci and gyri of the cerebral cortex, whether there is a difference in the distribution of interneurons between the two cortical regions remains largely unknown. In this study, we systematically comp...

journal_title：Neuroreport

authors： Gao JT,Liu Y,Gong D,Feng XM,Wan P,Luo XF,Zhu WH,Hou JC,Lv SJ

更新日期：2019-10-16 00:00:00

abstract：:The neural origins of the cortical response to rare sensory events remain poorly understood. Using simultaneous event-related potentials and magnetic resonance imaging, we investigated the anatomical profile of regional activity at various processing stages during performance of auditory and visual variants of an oddb...

journal_title：Neuroreport

authors： Rezaie R,Simos PG,Papanicolaou AC,Castillo EM,Moser DC,Passaro AD,Fletcher JM

更新日期：2011-02-16 00:00:00

abstract：:Neuromagnetic signals evoked by synthesized syllables (/bae/ and /gae/) were recorded over the left auditory cortex of healthy humans. The fundamental frequencies of the syllables varied as if the same speaker had pronounced them at 16 different pitches. Specific mismatch responses to infrequent syllables among freque...

journal_title：Neuroreport

authors： Aulanko R,Hari R,Lounasmaa OV,Näätänen R,Sams M

更新日期：1993-09-30 00:00:00

abstract：:The benzodiazepine, lorazepam enhances the efficiency of local, inhibitory GABA(A) synapses in the cortex, which stabilize postsynaptic, excitatory activity by synchronizing their own discharges at around 40 Hz. Treatment with lorazepam has also been shown to adversely influence detection performance in perceptual tas...

journal_title：Neuroreport

authors： Elliott MA,Becker C,Boucart M,Müller HJ

更新日期：2000-10-20 00:00:00

abstract：:The present study examined the distribution in the human spinal cord of a unique carboxy terminus sequence contained within MOR-1C, one of the recently described splice variants of the cloned mu opioid receptor gene MOR-1. Although MOR-1-like immunoreactivity (LI) and delta opioid receptor-like immunoreactivity were o...

journal_title：Neuroreport

authors： Abbadie C,Gultekin SH,Pasternak GW

更新日期：2000-06-26 00:00:00

abstract：:We have previously shown that hippocampal long-term potentiation (LTP), one form of synaptic plasticity that may underlie learning and memory, is attenuated by blocking neuron activity of the basolateral amygdala (BLA). In the present study we investigated the amygdala noradrenergic or cholinergic contribution to hipp...

journal_title：Neuroreport

authors： Ikegaya Y,Nakanishi K,Saito H,Abe K

更新日期：1997-09-29 00:00:00

abstract：:DCC is a member of the immunoglobulin superfamily of cell adhesion molecules, whose role in the function of the adult nervous system is unknown. DCC mRNA expression was studied in adult rat dorsal hippocampal sections using in situ hybridization histochemistry. High levels of DCC transcript were detected in hippocampu...

journal_title：Neuroreport

authors： Volenec A,Bhogal RK,Moorman JM,Leslie RA,Flanigan TP

更新日期：1997-09-08 00:00:00

abstract：:Pharmacological activation of group III metabotropic glutamate receptors (mGluR) or inhibition of group I mGluR by subtype-selective ligands is neuroprotective in experimental models of Parkinson's disease. The aim of this study was to investigate whether targeting both receptor subtypes simultaneously produces enhanc...

journal_title：Neuroreport

authors： Vernon AC,Croucher MJ,Dexter DT

更新日期：2008-03-05 00:00:00

abstract：:Perception of apparent motion operates somewhat differently for objects and human figures. Depending on the interstimulus interval, the latter d may give rise to either perception of a direct path (i.e. biologically impossible) or indirect path (i.e. biologically possible). Here, PET was used to investigate whether a ...

journal_title：Neuroreport

authors： Stevens JA,Fonlupt P,Shiffrar M,Decety J

更新日期：2000-01-17 00:00:00

abstract：:We used whole-cell recording to identify, for the first time, GABAergic tonic current in subpopulations of substantia gelatinosa neurons in mouse spinal cord slices. Application of the gamma-aminobutyric acid type A receptor antagonist bicuculline revealed tonic currents in 49 of 73 substantia gelatinosa neurons. Thes...

journal_title：Neuroreport

authors： Takahashi A,Mashimo T,Uchida I

更新日期：2006-08-21 00:00:00

abstract：:To assess the effect of genetic factors on sporadic Parkinson disease, we performed a case-control study of a variant (G2385R) in Leucine-Rich Repeat kinase 2 among the Japanese population. The G2385R (c.7153G>A) variant was reported as a risk factor for sporadic Parkinson disease in the Chinese population from Taiwan...

journal_title：Neuroreport

authors： Funayama M,Li Y,Tomiyama H,Yoshino H,Imamichi Y,Yamamoto M,Murata M,Toda T,Mizuno Y,Hattori N

更新日期：2007-02-12 00:00:00

abstract：:Positron emission tomography (PET) was used to investigate cerebral organization in seven subjects who had Mandarin Chinese as their native language (L1), and learned English (L2) later in life. When activation from word repetition was subtracted from verb generation in L1 and L2, CBF increases were observed for both ...

journal_title：Neuroreport

authors： Klein D,Milner B,Zatorre RJ,Zhao V,Nikelski J

更新日期：1999-09-09 00:00:00

abstract：:Age-related depletion of androgens in men results in functional impairments in androgen-responsive tissues, such as the brain, resulting in increased risk for Alzheimer's disease. To investigate the relationship between normal age-related hormone loss and Alzheimer's disease risk, we evaluated the brain and serum leve...

journal_title：Neuroreport

authors： Rosario ER,Chang L,Beckett TL,Carroll JC,Paul Murphy M,Stanczyk FZ,Pike CJ

更新日期：2009-11-25 00:00:00

abstract：:Electroencephalography (EEG) and gaze data have traditionally been separated in neurocognitive studies because of the artefacts that even small controlled eye movements produce. Study of gaze control in a visual tracking task provides information about an individual's prospective control. By including gaze events in t...

journal_title：Neuroreport

authors： Holth M,van der Meer AL,van der Weel FR

更新日期：2013-12-04 00:00:00

abstract：:Lithium treatment lengthens the period of circadian rhythms in most organisms. In the present study, we tested whether lithium acts directly on the mammalian suprachiasmatic nucleus (SCN) to lengthen rhythms of individual neurons. Lithium increased the circadian period of firing rate rhythms of cultured SCN neurons in...

journal_title：Neuroreport

authors： Abe M,Herzog ED,Block GD

更新日期：2000-09-28 00:00:00

abstract：:Synaptic or 'hard wired' neurotransmission in the brain, subject to modulation by a class of substances called modulators, has been the dominant model of brain function. However, increasing evidence for alternate non-synaptic neurotransmission mechanisms is forcing consideration of a more inclusive model. Evidence is ...

journal_title：Neuroreport

authors： Bach-y-Rita P

更新日期：1993-04-01 00:00:00