Differential human brain activity induced by two perceptually indistinguishable gentle cutaneous stimuli.

abstract：:We measured regional cerebral blood flow using positron emission tomography in seven normal volunteers during discrimination tasks for visual patterns. For the 'attention to right or left' tasks, the subjects were instructed to press a key when sample and test stimuli presented in the right or left visual fields, resp...

journal_title：Neuroreport

authors： Kawashima R,Satoh K,Goto R,Inoue K,Itoh M,Fukuda H

更新日期：1998-05-11 00:00:00

abstract：:Damage to central nervous system white matter is observed following hypoglycemia, raising the possibility that hypoglycemia influences oligodendrocytes and myelination. To examine effects of hypoglycemia on oligodendrocytes and myelin formation, we studied cultured oligodendrocyte precursor cells and cerebellar slice ...

journal_title：Neuroreport

authors： Yan H,Rivkees SA

更新日期：2006-01-23 00:00:00

abstract：:The synthesis and release of 3H-acetylcholine was measured in hippocampal slices of adult rat brain following acute in vitro exposure to ethanolamine. Evoked release of 3H-acetylcholine was elevated by 60-70% but 3H-acetylcholine synthesis was unaffected. Other amino alcohols were also found to significantly increase ...

journal_title：Neuroreport

authors： Bostwick JR,Abbe R,Sun J,Appel SH

更新日期：1992-05-01 00:00:00

abstract：:Hypoxic-ischemic represents a common cause of damage to the prenatal brain and can co-occur with prematurity. Prematurity is associated with emergent language impairments, and it has been suggested that rapid auditory processing deficits play a causal role in language difficulties. We previously demonstrated rapid aud...

journal_title：Neuroreport

authors： McClure MM,Threlkeld SW,Rosen GD,Holly Fitch R

更新日期：2005-08-22 00:00:00

abstract：:This study examined the long-term effects of the antidepressant escitalopram on rat serotonin (5-HT) neuronal activity and hippocampal neuroplasticity. In the dorsal raphe nucleus, a 2-week treatment with escitalopram (10 mg/kg/day, subcutaneous) did not modify the firing activity of 5-HT neurons, whereas a cotreatmen...

journal_title：Neuroreport

authors： Mnie-Filali O,Faure C,Mansari ME,Lambás-Señas L,Bérod A,Zimmer L,Sánchez C,Haddjeri N

更新日期：2007-10-08 00:00:00

abstract：:Recent studies on cerebrospinal fluid (CSF) homeostasis emphasize the importance of water flux through the pericapillary (Virchow-Robin) space for both CSF production and reabsorption (Oreskovic and Klarica hypothesis), and challenge the classic CSF circulation theory, which proposes that CSF is primarily produced by ...

journal_title：Neuroreport

authors： Igarashi H,Tsujita M,Kwee IL,Nakada T

更新日期：2014-01-08 00:00:00

abstract：:The present study aimed to confirm and extend the finding, suggested by the results of a previous study, of different auditory neural efferent functioning in musicians compared with non-musicians. The activity of the medial olivocochlear bundle (MOCB), an auditory efferent subsystem, was measured through the contralat...

journal_title：Neuroreport

authors： Micheyl C,Khalfa S,Perrot X,Collet L

更新日期：1997-03-03 00:00:00

abstract：:Group III metabotropic glutamate receptors (mGluR4, 6, 7, 8) are negatively coupled to adenylate cyclase and, when activated presynaptically, decrease the release of glutamate and GABA. We have used intracerebroventricular injections of agonists and antagonists believed to act selectively on these receptors to study t...

journal_title：Neuroreport

authors： Ghauri M,Chapman AG,Meldrum BS

更新日期：1996-06-17 00:00:00

abstract：:Retrograde transneuronal viral labelling and immunocytochemical methods were used for revealing neuronal networks controlling the left ventricle myocardium of the rat heart. After injections of 1 microliter pseudorabies virus solution (3 x 10(6) PFU ml-1) into the left ventricle, infected orthosympathetic preganglioni...

journal_title：Neuroreport

authors： Ter Horst GJ,Van den Brink A,Homminga SA,Hautvast RW,Rakhorst G,Mettenleiter TC,De Jongste MJ,Lie KI,Korf J

更新日期：1993-09-30 00:00:00

abstract：:The present study assessed the binding characteristics of [125I]angiotensin II to slices of human cerebellum adhered to glass slides using quantitative receptor autoradiography. Specific [125I]angiotensin II binding, defined by the inclusion of unlabelled angiotensin II (1.0 microM), was detected in the molecular laye...

journal_title：Neuroreport

authors： Barnes JM,Barber PC,Barnes NM

更新日期：1991-10-01 00:00:00

abstract：:Glial cell line-derived neurotrophic factor (GDNF) exhibits neurotrophic properties on different types of neurones, including fetal motoneurones and embryonic neurones of sensory ganglia. We demonstrate that chronic injury to the adult rat sciatic nerve induces a rapid up-regulation of GDNF mRNA expression in Schwann ...

journal_title：Neuroreport

authors： Hammarberg H,Piehl F,Cullheim S,Fjell J,Hökfelt T,Fried K

更新日期：1996-03-22 00:00:00

abstract：:Birds are capable of dexterous sensory-motor activities such as tool use. Reaching is a crucial component of tool use and is a vision-guided behavior in primates, in which arm movement is monitored online in a stable visual frame. However, vision-guided reaching in primates is enabled by anatomical separation of the h...

journal_title：Neuroreport

authors： Kanai M,Matsui H,Watanabe S,Izawa E

更新日期：2014-09-10 00:00:00

abstract：:The aim was to study whether there is indication of a dissociation in processing of visuospatial and colour information in working memory in humans. Experimental subjects performed visuospatial and colour n-back tasks with and without visuospatial and colour distractive stimuli presented in the middle of the delay per...

journal_title：Neuroreport

authors： Vuontela V,Rämä P,Raninen A,Aronen HJ,Carlson S

更新日期：1999-08-02 00:00:00

abstract：:The effects of high frequency repetitive transcranial magnetic stimulation on sensory perception and the pain tolerance thresholds were investigated applying both motor cortex stimulation and medial frontal cortex stimulation in normal study participants. Both the sensory perception and pain tolerance thresholds were ...

journal_title：Neuroreport

authors： Yoo WK,Kim YH,Doh WS,Lee JH,Jung KI,Park DS,Park ES

更新日期：2006-02-06 00:00:00

abstract：:Elevations of cytosolic free Ca2+ concentration ([Ca2+]i) induced by addition of ATP have been compared in rat dorsal horn neurones in slices and after their isolation. ATP application induced in neurones in situ a rise of [Ca2+]i by 201 +/- 12 nM. In Ca2+-free external solution the rise was 156 +/- 14 nM (n = 45 of 7...

journal_title：Neuroreport

authors： Kruglikov I,Shutov L,Potapenko E,Voitenko N,Kostyuk P

更新日期：2001-11-16 00:00:00

abstract：:Transcription factors have been used as neuronal markers in the nucleus accumbens (ACB) of male juvenile spontaneously hypertensive rats (SHR), an animal model of attention-deficit hyperactivity disorder (ADHD), to trace putative neural substrates. In SHR, immunocytochemistry and PC-assisted image analysis showed lowe...

journal_title：Neuroreport

authors： Papa M,Sergeant JA,Sadile AG

更新日期：1997-05-06 00:00:00

abstract：OBJECTIVE:We sought to determine whether cortical excitability, measured via transcranial magnetic stimulation (TMS), is associated with cognition in healthy individuals and whether gender and education have an impact on this relationship. METHODS:Fifty-four healthy individuals (31 males, mean age = 41.94, SD = 21.98;...

journal_title：Neuroreport

authors： Akilan K,Kumar S,Zomorrodi R,Blumberger DM,Daskalakis ZJ,Rajji TK

更新日期：2020-03-04 00:00:00

abstract：:Impaired print tuning in dyslexia has been shown in alphabetic languages; whether we can observe the same in a nonalphabetic language such as Chinese is still questionable. The present study investigated the N170 component in response to Chinese words versus nonword pseudo-words in 10-year-old children with developmen...

journal_title：Neuroreport

authors： Zhou L,Yan X

更新日期：2018-10-17 00:00:00

abstract：:Recently it has been reported that a missense G(88)C mutation within exon 3 and a missense G(209)A mutation within exon 4 of the alpha-synuclein gene were linked to familial Parkinson's Disease (PD). We decided to investigate if these and any other mutations in exons 3 and 4 of the alpha-synuclein gene could be detect...

journal_title：Neuroreport

authors： El-Agnaf OM,Curran MD,Wallace A,Middleton D,Murgatroyd C,Curtis A,Perry R,Jaros E

更新日期：1998-12-01 00:00:00

abstract：:We have used double quantum filtered (DQF) 23Na+ nuclear magnetic resonance (NMR) spectroscopy without shift reagents in order to monitor intracellular Na+ (Na+i) in a cortical brain slice preparation. The external Na+ (Na+o) signal was reduced by 95% by the DQF sequence compared with the directly observed 23Na+. The ...

journal_title：Neuroreport

authors： Brooks KJ,Pirttilä TR,Kauppinen RA

更新日期：1993-02-01 00:00:00

abstract：:Presenilin-1 (PS-1) and amyloid precursor protein (APP) have been linked to the pathogenesis of Alzheimer's disease. While APP accumulation is well documented in several models of brain injury, the role of PS-1 levels in neurodegeneration, if any, remains to be elucidated. The current studies examined PS-1 and APP exp...

journal_title：Neuroreport

authors： Calingasan NY,Gandy SE,Gibson GE

更新日期：1997-07-28 00:00:00

abstract：:In the present study we tested the hypothesis that baclofen, a GABA-B receptor agonist, attenuates methamphetamine self-administration. Fifteen rats were trained to self-administer i.v. injections of methamphetamine (0, 0.0625, 0.125 and 0.25 mg/kg/injection) on a progressive ratio schedule of reinforcement, and then ...

journal_title：Neuroreport

authors： Ranaldi R,Poeggel K

更新日期：2002-07-02 00:00:00

abstract：:Extracellular recordings were used to determine the effects of cannabinoids on the activity of dopamine neurons within the ventral tegmental area (VTA) and substantia nigra pars compacta (SNC). Systemic administration of the natural psychoactive cannabinoid delta 9-tetrahydrocannabinol (delta 9-THC) and the synthetic ...

journal_title：Neuroreport

authors： French ED,Dillon K,Wu X

更新日期：1997-02-10 00:00:00

abstract：:With the purpose of mapping representations of the finger and proximal arm in the human primary motor cortex (MI), we measured regional cerebral blood flow (rCBF) in eight right-handed normal volunteers during self-paced finger and proximal arm movements. Each movement activated two different fields in MI, one located...

journal_title：Neuroreport

authors： Kawashima R,Itoh H,Ono S,Satoh K,Furumoto S,Gotoh R,Koyama M,Yoshioka S,Takahashi T,Yanagisawa T

更新日期：1995-01-26 00:00:00

abstract：:Short-term exposure of primary cultures of cerebellar granule cells from neonatal rat brain to high concentrations of glutamate results in neuronal degeneration. We found that glutamate, before causing neuronal degeneration, induced a significant increase of Tau protein immunostaining. Time-course experiments revealed...

journal_title：Neuroreport

authors： Pizzi M,Valerio A,Ribola M,Spano PF,Memo M

更新日期：1993-06-01 00:00:00

abstract：:Two voltage-activated Na+ channel blockers, lamotrigine and flunarizine were applied ionophoretically to extracellularly recorded dorsal horn neurones to assess effects on activation by noxious (mustard oil) and innocuous (brush) stimuli. Lamotrigine and flunarizine caused significantly greater reductions in mustard o...

journal_title：Neuroreport

authors： Blackburn-Munro G,Fleetwood-Walker SM

更新日期：1997-05-06 00:00:00

abstract：:For the majority of neurones in cat striate cortex, the response to an optimal stimulus presented to one eye is suppressed when a stimulus of substantially different orientation is presented to the other eye. In order to determine the true orientational tuning of the underlying inhibitory interactions in the absence o...

journal_title：Neuroreport

authors： Sengpiel F,Freeman TC,Blakemore C

更新日期：1995-11-13 00:00:00

abstract：:Using in situ hybridization histochemistry and immunocytochemistry the induction of immediate early genes (IEGs) was studied in the rat superior cervical ganglion (SCG) after deafferentation, axotomy and sialectomy (removal of the submandibular gland). Control SCGs showed very low levels of IEGs, whereby Fos proteins ...

journal_title：Neuroreport

authors： Koistinaho J,Pelto-Huikko M,Sagar SM,Dagerlind A,Roivainen R,Hökfelt T

更新日期：1993-01-01 00:00:00

abstract：:DNA methylation is important for controlling gene expression and is catalyzed by DNA methyltransferase (Dnmt1) an enzyme abundant in brain. We recently demonstrated that mice expressing reduced levels of Dnmt1 are protected from cerebral ischemia. Here, we used the cre/loxP system to produce conditional mutants that l...

journal_title：Neuroreport

authors： Endres M,Fan G,Meisel A,Dirnagl U,Jaenisch R

更新日期：2001-12-04 00:00:00

abstract：:Sex differences in event-related potentials were examined in 23 women and 24 men during a mental rotation task. We found an early (130-400 ms) and a late (400-700 ms) ERP mental rotation effect. The late rotation effect, which is thought to indicate the onset of the cognitive process of mental rotation, emerged about ...

journal_title：Neuroreport

authors： Gootjes L,Bruggeling EC,Magnée T,Van Strien JW

更新日期：2008-02-12 00:00:00