Topographic specificity of alpha power during auditory spatial attention.

abstract：:Seventeen clinically stabilized monohemispheric stroke patients were studied in order to investigate the chronic topographical modifications induced on primary sensory cortical hand areas by a monohemispheric stroke within the middle cerebral artery territory. Magnetoencephalographic (MEG) localization of the cortical...

journal_title：NeuroImage

authors： Rossini PM,Tecchio F,Pizzella V,Lupoi D,Cassetta E,Pasqualetti P

更新日期：2001-08-01 00:00:00

abstract：:Fear protects organisms by increasing vigilance and preparedness, and by coordinating survival responses during life-threatening encounters. The fear circuit must thus operate on multiple timescales ranging from preparatory sustained alertness to acute fight-or-flight responses. Here we studied the brain basis of sust...

journal_title：NeuroImage

authors： Hudson M,Seppälä K,Putkinen V,Sun L,Glerean E,Karjalainen T,Karlsson HK,Hirvonen J,Nummenmaa L

更新日期：2020-08-01 00:00:00

abstract：:To what extent free response generation in different tasks uses common and task-specific neurocognitive processes has remained unclear. Here, we investigated overlap and differences in neural activity during musical improvisation and pseudo-random response generation. Brain activity was measured using fMRI in a group ...

journal_title：NeuroImage

authors： de Manzano Ö,Ullén F

更新日期：2012-01-02 00:00:00

abstract：:Sleep spindles are crucial to memory consolidation. Cortical gamma oscillations (30-100 Hz) are considered to reflect processing of memory in local cortical networks. The temporal and regulatory relationship between spindles and gamma activity might therefore provide clues into how sleep strengthens cortical memory re...

journal_title：NeuroImage

authors： Weber FD,Supp GG,Klinzing JG,Mölle M,Engel AK,Born J

更新日期：2021-01-01 00:00:00

abstract：:The current experiment examined the neural substrates of response selection, comparing conditions that required participants to make criterion-free selections from sets of same-sex faces (i.e., inconsequential decision) to choosing a dinner date from opposite-sex faces (i.e., consequential decision). In each of these ...

journal_title：NeuroImage

authors： Turk DJ,Banfield JF,Walling BR,Heatherton TF,Grafton ST,Handy TC,Gazzaniga MS,Macrae CN

更新日期：2004-07-01 00:00:00

abstract：:In humans, each hemisphere comprises an overlay of two visuotopic maps of the contralateral visual field, one from each eye. Is the capacity of the visual cortex limited to these two maps or are plastic mechanisms available to host more maps? We determined the cortical organization of the visual field maps in a rare i...

journal_title：NeuroImage

authors： Ahmadi K,Fracasso A,Puzniak RJ,Gouws AD,Yakupov R,Speck O,Kaufmann J,Pestilli F,Dumoulin SO,Morland AB,Hoffmann MB

更新日期：2020-07-15 00:00:00

abstract：:In vivo calcium (Ca2+) imaging using two-photon microscopy allows activity to be monitored simultaneously from hundreds of individual neurons within a local population. While this allows us to gain important insights into how cortical neurons represent sensory information, factors such as photo-bleaching of the Ca2+ i...

journal_title：NeuroImage

authors： Ikezoe K,Amano M,Nishimoto S,Fujita I

更新日期：2018-10-15 00:00:00

abstract：:Allocation of attentional resources to portions of the available sensory input can be regulated by bottom-up processes, i.e., spontaneous orientation towards an oncoming stimulus (stimulus-driven attention), and by top-down processes, i.e., intentionally and driven by knowledge, expectation and goals. The present stud...

journal_title：NeuroImage

authors： Hahn B,Ross TJ,Stein EA

更新日期：2006-08-15 00:00:00

abstract：:The superior capability of chess experts largely depends on quick automatic processing skills which are considered to be mediated by the caudate nucleus. We asked whether continued practice or rehearsal of the skill over a long period of time can lead to structural changes in this region. We found that, comparing to n...

journal_title：NeuroImage

authors： Duan X,He S,Liao W,Liang D,Qiu L,Wei L,Li Y,Liu C,Gong Q,Chen H

更新日期：2012-04-02 00:00:00

abstract：:[(11)C]-(R)-PK11195 is presently the most widely used radiotracer for the monitoring of microglia activity in the central nervous system (CNS). Microglia, the resident immune cells of the brain, play a critical role in acute and chronic diseases of the central nervous system and in host defence against neoplasia. The ...

journal_title：NeuroImage

authors： Anderson AN,Pavese N,Edison P,Tai YF,Hammers A,Gerhard A,Brooks DJ,Turkheimer FE

更新日期：2007-05-15 00:00:00

abstract：:Functional MRI (fMRI) has previously been shown to be able to measure hundreds of milliseconds differences in timings of activities in different brain regions, even though the underlying blood oxygenation level-dependent (BOLD) response is delayed and dispersed on the order of seconds. This capability may contribute t...

journal_title：NeuroImage

authors： Katwal SB,Gore JC,Gatenby JC,Rogers BP

更新日期：2013-02-01 00:00:00

abstract：:Brain morphology varies during the course of the menstrual cycle, with increases in individual gray matter volume at the time of ovulation. This study implemented our previously presented BrainAGE framework to analyze short-term neuroanatomical changes in healthy young women due to hormonal changes during the menstrua...

journal_title：NeuroImage

authors： Franke K,Hagemann G,Schleussner E,Gaser C

更新日期：2015-07-15 00:00:00

abstract：:In any non-deterministic environment, unexpected events can indicate true changes in the world (and require behavioural adaptation) or reflect chance occurrence (and must be discounted). Adaptive behaviour requires distinguishing these possibilities. We investigated how humans achieve this by integrating high-level in...

journal_title：NeuroImage

authors： Schiffer AM,Siletti K,Waszak F,Yeung N

更新日期：2017-02-01 00:00:00

abstract：:Obesity is a crucial public health issue in developed countries, with implications for cardiovascular and brain health as we age. A number of commonly-carried genetic variants are associated with obesity. Here we aim to see whether variants in obesity-associated genes--NEGR1, FTO, MTCH2, MC4R, LRRN6C, MAP2K5, FAIM2, S...

journal_title：NeuroImage

authors： Dennis EL,Jahanshad N,Braskie MN,Warstadt NM,Hibar DP,Kohannim O,Nir TM,McMahon KL,de Zubicaray GI,Montgomery GW,Martin NG,Toga AW,Wright MJ,Thompson PM

更新日期：2014-11-15 00:00:00

abstract：:Recent evidence indicates subject-specific gyral folding patterns and white matter anisotropy uniquely shape electric fields generated by TMS. Current methods for predicting the brain regions influenced by TMS involve projecting the TMS coil position or center of gravity onto realistic head models derived from structu...

journal_title：NeuroImage

authors： Opitz A,Legon W,Rowlands A,Bickel WK,Paulus W,Tyler WJ

更新日期：2013-11-01 00:00:00

abstract：:We propose a novel framework for the automatic propagation of a set of manually labeled brain atlases to a diverse set of images of a population of subjects. A manifold is learned from a coordinate system embedding that allows the identification of neighborhoods which contain images that are similar based on a chosen ...

journal_title：NeuroImage

authors： Wolz R,Aljabar P,Hajnal JV,Hammers A,Rueckert D,Alzheimer's Disease Neuroimaging Initiative.

更新日期：2010-01-15 00:00:00

abstract：:Although visual cortical engagement in haptic shape perception is well established, its relationship with visual imagery remains controversial. We addressed this using functional magnetic resonance imaging during separate visual object imagery and haptic shape perception tasks. Two experiments were conducted. In the f...

journal_title：NeuroImage

authors： Lacey S,Flueckiger P,Stilla R,Lava M,Sathian K

更新日期：2010-02-01 00:00:00

abstract：:The ε4 allele of apolipoprotein E (apoE, protein; APOE, gene) is the most important genetic risk factor for the development of Alzheimer's disease (AD). Cortical structures in the medial temporal lobe (MTL) are important for memory function and are affected early in AD. Both gray matter (GM) and white matter (WM) stru...

journal_title：NeuroImage

authors： Westlye ET,Hodneland E,Haász J,Espeseth T,Lundervold A,Lundervold AJ

更新日期：2012-10-15 00:00:00

abstract：:The goal of the MEG study was to investigate the influence of tumor treatment on pathological delta activity (1-4 Hz). The treatment consisted of neurosurgery, and in some of the patients, additional radiotherapy. MEG and MR recordings were made both before and after the treatment in 17 patients. The signal power in t...

journal_title：NeuroImage

authors： de Jongh A,Baayen JC,de Munck JC,Heethaar RM,Vandertop WP,Stam CJ

更新日期：2003-12-01 00:00:00

abstract：:Chronic stress in non-human animals decreases the volume of the hippocampus, a brain region that supports learning and memory and that regulates neuroendocrine activity. In humans with stress-related psychiatric syndromes characterized by impaired learning and memory and dysregulated neuroendocrine activity, surrogate...

journal_title：NeuroImage

authors： Gianaros PJ,Jennings JR,Sheu LK,Greer PJ,Kuller LH,Matthews KA

更新日期：2007-04-01 00:00:00

abstract：:There is clear evidence that the prefrontal cortex is strongly involved in executive processes and that dopamine can influence performance on working memory tasks. Although, some studies have emphasized the role of striatal dopamine in executive functions, the role played by prefrontal dopamine during executive tasks ...

journal_title：NeuroImage

authors： Ko JH,Ptito A,Monchi O,Cho SS,Van Eimeren T,Pellecchia G,Ballanger B,Rusjan P,Houle S,Strafella AP

更新日期：2009-06-01 00:00:00

abstract：:Voxel-based analysis of diffusion MRI data is increasingly popular. However, most white matter voxels contain contributions from multiple fibre populations (often referred to as crossing fibres), and therefore voxel-averaged quantitative measures (e.g. fractional anisotropy) are not fibre-specific and have poor interp...

journal_title：NeuroImage

authors： Raffelt DA,Tournier JD,Smith RE,Vaughan DN,Jackson G,Ridgway GR,Connelly A

更新日期：2017-01-01 00:00:00

abstract：:The control of ankle muscle force is an integral component of walking and postural control. Aging impairs the ability to produce force steadily and accurately, which can compromise functional capacity and quality of life. Here, we hypothesized that reduced force control in older adults would be associated with altered...

journal_title：NeuroImage

authors： Spedden ME,Beck MM,Christensen MS,Dietz MJ,Karabanov AN,Geertsen SS,Nielsen JB,Lundbye-Jensen J

更新日期：2020-09-01 00:00:00

abstract：:This study attempted to use PET and 15O-H2O to measure changes in regional cerebral blood flow (rCBF) during sexual arousal evoked in 10 young heterosexual males while they watched a pornographic video clip, featuring heterosexual intercourse. This condition was compared with other mental setups evoked by noisy, natur...

journal_title：NeuroImage

authors： Bocher M,Chisin R,Parag Y,Freedman N,Meir Weil Y,Lester H,Mishani E,Bonne O

更新日期：2001-07-01 00:00:00

abstract：:Recent models of visual recognition have suggested that perceptual analysis may start with a parallel extraction of different spatial frequencies (SF), using a preferential coarse-to-fine (low-to-high SF) sequence of processing. A rapid extraction of low spatial frequency (LSF) information may thus provide an initial ...

journal_title：NeuroImage

authors： Peyrin C,Schwartz S,Seghier M,Michel C,Landis T,Vuilleumier P

更新日期：2005-11-01 00:00:00

abstract：:The impairment of axonal transport by overexpression or hyperphosphorylation of tau is well documented for in vitro conditions; however, only a few studies on this phenomenon have been conducted in vivo, using invasive procedures, and with contradictory results. Here we used the non-invasive, Manganese-Enhanced Magnet...

journal_title：NeuroImage

authors： Bertrand A,Khan U,Hoang DM,Novikov DS,Krishnamurthy P,Rajamohamed Sait HB,Little BW,Sigurdsson EM,Wadghiri YZ

更新日期：2013-01-01 00:00:00

abstract：:A common means of studying motor recovery in stroke patients is to extract Diffusion Tensor Imaging (DTI) parameters from the corticospinal tract (CST) and correlate them with clinical outcome scores. To that purpose, conducting group-level analyses through spatial normalization has become a popular approach. However,...

journal_title：NeuroImage

authors： Moulton E,Valabregue R,Díaz B,Kemlin C,Leder S,Lehéricy S,Samson Y,Rosso C

更新日期：2018-12-01 00:00:00

abstract：:Whereas we know a fair amount on the role of the amygdala in the acute stress response, virtually nothing is known about its role during the recovery period after the stress has waned. Functional connectivity analysis of the amygdala during this period might be useful in revealing brain circuits promoting adaptive rec...

journal_title：NeuroImage

authors： Veer IM,Oei NY,Spinhoven P,van Buchem MA,Elzinga BM,Rombouts SA

更新日期：2011-08-15 00:00:00

abstract：:Perceptual priming is a fundamental long-term memory capability by which exposure to a stimulus improves later perceptual processing of that stimulus. A widespread hypothesis is that priming is the later result of perceptual learning during stimulus identification. Testing this hypothesis involves isolating priming wi...

journal_title：NeuroImage

authors： Düzel E,Richardson-Klavehn A,Neufang M,Schott BH,Scholz M,Heinze HJ

更新日期：2005-04-15 00:00:00

abstract：:Diffusion MRI combined with biophysical modeling allows for the description of a white matter (WM) fiber bundle in terms of compartment specific white matter tract integrity (WMTI) metrics, which include intra-axonal diffusivity (Daxon), extra-axonal axial diffusivity (De||), extra-axonal radial diffusivity (De┴), axo...

journal_title：NeuroImage

authors： Grossman EJ,Kirov II,Gonen O,Novikov DS,Davitz MS,Lui YW,Grossman RI,Inglese M,Fieremans E

更新日期：2015-09-01 00:00:00