Focal cortical blood flow activation is regulated by intrinsic cortical cholinergic neurons.

abstract：:Motor tasks involve neural activity in a spatially distributed network. It is assumed that coherent activity between these brain structures reflects functional connectivity. The aim of the present study was to investigate brain areas associated with a unimanual auditorily paced finger-tapping task and to characterize ...

journal_title：NeuroImage

authors： Pollok B,Gross J,Müller K,Aschersleben G,Schnitzler A

更新日期：2005-02-01 00:00:00

abstract：:Standard neuroimaging data analysis based on traditional principles of experimental design, modelling, and statistical inference is increasingly complemented by novel analysis methods, driven e.g. by machine learning methods. While these novel approaches provide new insights into neuroimaging data, they often have une...

journal_title：NeuroImage

authors： Görgen K,Hebart MN,Allefeld C,Haynes JD

更新日期：2018-10-15 00:00:00

abstract：:This article has been written in response to Dr. Fred L. Bookstein's article entitled '"Voxel-Based Morphometry" Should Not Be Used with Imperfectly Registered Images' in this issue of NeuroImage. We will address three main issues: (i) Dr. Bookstein appears to have misunderstood the objective of voxel-based morphometr...

journal_title：NeuroImage

authors： Ashburner J,Friston KJ

更新日期：2001-12-01 00:00:00

abstract：:Magnetoencephalography was used to investigate the relationship between the sustained magnetic field in auditory cortex and the perception of periodic sounds. The response to regular and irregular click trains was measured at three sound intensities. Two separate sources were isolated adjacent to primary auditory cort...

journal_title：NeuroImage

authors： Gutschalk A,Patterson RD,Rupp A,Uppenkamp S,Scherg M

更新日期：2002-01-01 00:00:00

abstract：:Parcellation of the human brain into fine-grained units by grouping voxels into distinct clusters has been an effective approach for delineating specific brain regions and their subregions. Published neuroimaging studies employing coordinate-based meta-analyses have shown that the activation foci and their correspondi...

journal_title：NeuroImage

authors： Yang Y,Fan L,Chu C,Zhuo J,Wang J,Fox PT,Eickhoff SB,Jiang T

更新日期：2016-01-01 00:00:00

abstract：:To exploit the high (millisecond) temporal resolution of magnetoencephalography (MEG) and electroencephalography (EEG) for measuring neuronal dynamics within well-defined brain regions, it is important to quantitatively assess their localizing ability. Previous modeling studies and empirical data suggest that a combin...

journal_title：NeuroImage

authors： Sharon D,Hämäläinen MS,Tootell RB,Halgren E,Belliveau JW

更新日期：2007-07-15 00:00:00

abstract：:Beamforming has been widely adopted as a source reconstruction technique in the analysis of magnetoencephalography data. Most beamforming implementations incorporate a spatially-varying rescaling (which we term weights normalisation) to correct for the inherent depth bias in raw beamformer estimates. Here, we demonstr...

journal_title：NeuroImage

authors： Luckhoo HT,Brookes MJ,Woolrich MW

更新日期：2014-07-15 00:00:00

abstract：:Large-scale brain functional networks (measured with functional magnetic resonance imaging, fMRI) are organized into separated but interacting modules, an architecture supporting the integration of distinct dynamical processes. In this work we study how the aforementioned modular architecture changes with the progress...

journal_title：NeuroImage

authors： Tagliazucchi E,von Wegner F,Morzelewski A,Brodbeck V,Borisov S,Jahnke K,Laufs H

更新日期：2013-04-15 00:00:00

abstract：:Mindboggle (http://www.binarybottle.com/mindboggle.html) is a fully automated, feature matching approach to label cortical structures and activity anatomically in human brain MRI data. This approach does not assume that the existence of component structures and their relative spatial relationship is preserved from bra...

journal_title：NeuroImage

authors： Klein A,Hirsch J

更新日期：2005-01-15 00:00:00

abstract：:Ano-rectal stimulation provides an important model for the processing of somatosensory and visceral sensations in the human nervous system. In spite of their anatomical proximity, the anal canal is innervated by somatosensory afferents whereas the rectum is innervated by the visceral nervous system. In a functional ma...

journal_title：NeuroImage

authors： Eickhoff SB,Lotze M,Wietek B,Amunts K,Enck P,Zilles K

更新日期：2006-07-01 00:00:00

abstract：:We present an approach to characterizing the differences among event-related hemodynamic responses in functional magnetic resonance imaging that are evoked by different sorts of stimuli. This approach is predicated on a linear convolution model and standard inferential statistics as employed by statistical parametric ...

journal_title：NeuroImage

authors： Friston KJ,Fletcher P,Josephs O,Holmes A,Rugg MD,Turner R

更新日期：1998-01-01 00:00:00

abstract：:Functional magnetic resonance imaging (fMRI) techniques, such as echo-planar imaging, can permit rapid, sensitive, whole-brain measurements of local blood flow-induced MR signal changes seen during cognitive paradigms. Changes in blood oxygenation due to mismatch of flow and oxygen metabolism cause dynamic variations ...

journal_title：NeuroImage

authors： Ojemann JG,Akbudak E,Snyder AZ,McKinstry RC,Raichle ME,Conturo TE

更新日期：1997-10-01 00:00:00

abstract：:Episodic retrieval is supported by multiple forms of cognitive control that depend on prefrontal cortex. However, within prefrontal cortex, the regional specificity for different control processes is still largely underspecified. Here we used fMRI to investigate the processes involved in part-list cueing, a phenomenon...

journal_title：NeuroImage

authors： Crescentini C,Shallice T,Del Missier F,Macaluso E

更新日期：2010-04-01 00:00:00

abstract：:A concern for researchers planning multisite studies is that scanner and T1-weighted sequence-related biases on regional volumes could overshadow true effects, especially for studies with a heterogeneous set of scanners and sequences. Current approaches attempt to harmonize data by standardizing hardware, pulse sequen...

journal_title：NeuroImage

authors： Keshavan A,Paul F,Beyer MK,Zhu AH,Papinutto N,Shinohara RT,Stern W,Amann M,Bakshi R,Bischof A,Carriero A,Comabella M,Crane JC,D'Alfonso S,Demaerel P,Dubois B,Filippi M,Fleischer V,Fontaine B,Gaetano L,Goris A,Gr

更新日期：2016-07-01 00:00:00

abstract：:Thought disorder is one of the primary symptoms in schizophrenia, yet the neural correlates and related semantic processing abnormalities remain unclear. We aimed to investigate the relationship between functional prefrontal abnormalities and thought disorder in schizophrenia using 2 types of verbal fluency tasks: the...

journal_title：NeuroImage

authors： Marumo K,Takizawa R,Kinou M,Kawasaki S,Kawakubo Y,Fukuda M,Kasai K

更新日期：2014-01-15 00:00:00

abstract：:An event-related protocol was designed to permit auditory fMRI studies minimally affected by the echo-planar noise artifact; a long time interval (TR = 10 s) between each cerebral volume acquisition was combined with stroboscopic data acquisition, and event-related curves were reconstructed with a 1-s resolution. The ...

journal_title：NeuroImage

authors： Belin P,Zatorre RJ,Hoge R,Evans AC,Pike B

更新日期：1999-10-01 00:00:00

abstract：PURPOSE:Evaluate brain iron accumulation in alcohol use disorder (AUD) patients compared to controls using quantitative susceptibility mapping (QSM). METHODS:QSM was performed retrospectively by using phase images from resting state functional magnetic resonance imaging (fMRI). 20 male AUD patients and 15 matched heal...

journal_title：NeuroImage

authors： Juhás M,Sun H,Brown MRG,MacKay MB,Mann KF,Sommer WH,Wilman AH,Dursun SM,Greenshaw AJ

更新日期：2017-03-01 00:00:00

abstract：:Automatic change detection reflects a cognitive memory-based comparison mechanism as well as a sensorial non-comparator mechanism based on differential states of refractoriness. The purpose of this study was to examine whether the comparator mechanism of the mismatch negativity component (MMN) is differentially affect...

journal_title：NeuroImage

authors： Laufer I,Negishi M,Constable RT

更新日期：2009-01-15 00:00:00

abstract：:Transcranial direct current stimulation (tDCS) can up- and down-regulate cortical excitability depending on current direction, however our abilities to measure brain-tissue effects of the stimulation and its after-effects have been limited so far. We used regional cerebral blood flow (rCBF), a surrogate measure of bra...

journal_title：NeuroImage

authors： Zheng X,Alsop DC,Schlaug G

更新日期：2011-09-01 00:00:00

abstract：:The ability to assess frontal lobe function in a rapid, objective, and standardized way, without the need for expertise in cognitive test administration might be particularly helpful in mild traumatic brain injury (TBI), where objective measures are needed. Functional near infrared spectroscopy (fNIRS) is a reliable t...

journal_title：NeuroImage

authors： Amyot F,Zimmermann T,Riley J,Kainerstorfer JM,Chernomordik V,Mooshagian E,Najafizadeh L,Krueger F,Gandjbakhche AH,Wassermann EM

更新日期：2012-04-02 00:00:00

abstract：:The underlying mechanism of how the human brain solves the cocktail party problem is largely unknown. Recent neuroimaging studies, however, suggest salient temporal correlations between the auditory neural response and the attended auditory object. Using magnetoencephalography (MEG) recordings of the neural responses ...

journal_title：NeuroImage

authors： Akram S,Presacco A,Simon JZ,Shamma SA,Babadi B

更新日期：2016-01-01 00:00:00

abstract：:Humans exhibit a marked specialization to process the most experienced facial morphologies. In particular, nonhuman primate faces are poorly discriminated compared to human faces in behavioral tasks. So far however, a clear and consistent marker that quantifies our expertise in human over monkey face discrimination di...

journal_title：NeuroImage

authors： Damon F,Leleu A,Rekow D,Poncet F,Baudouin JY

更新日期：2020-01-01 00:00:00

abstract：:Anesthesia-induced changes in functional connectivity and cerebral blow flow (CBF) in large-scale brain networks have emerged as key markers of reduced consciousness. However, studies of functional connectivity disagree on which large-scale networks are altered or preserved during anesthesia, making it difficult to fi...

journal_title：NeuroImage

authors： Qiu M,Scheinost D,Ramani R,Constable RT

更新日期：2017-03-01 00:00:00

abstract：:Q-ball imaging has the ability to discriminate multiple intravoxel fiber populations within regions of complex white matter architecture. This information can be used for fiber tracking; however, diffusion MR is susceptible to noise and multiple other sources of uncertainty affecting the measured orientation of fiber ...

journal_title：NeuroImage

authors： Berman JI,Chung S,Mukherjee P,Hess CP,Han ET,Henry RG

更新日期：2008-01-01 00:00:00

abstract：:The fiber g-ratio is the ratio of the inner to the outer diameter of the myelin sheath of a myelinated axon. It has a limited dynamic range in healthy white matter, as it is optimized for speed of signal conduction, cellular energetics, and spatial constraints. In vivo imaging of the g-ratio in health and disease woul...

journal_title：NeuroImage

authors： Campbell JSW,Leppert IR,Narayanan S,Boudreau M,Duval T,Cohen-Adad J,Pike GB,Stikov N

更新日期：2018-11-15 00:00:00

abstract：:Functional activation patterns of an auditory working memory task were examined prior to and after 5 days of training (1 h/day). A control group with no training was scanned twice at the same intervals to assess test-retest effects. Based on behavioral improvement scores, the training group (n = 14) was divided into "...

journal_title：NeuroImage

authors： Gaab N,Gaser C,Schlaug G

更新日期：2006-05-15 00:00:00

abstract：INTRODUCTION:[(11)C]Cimbi-36 is a recently developed serotonin 2A (5-HT2A) receptor agonist positron emission tomography (PET) radioligand that has been successfully applied for human neuroimaging. Here, we investigate the test-retest variability of cerebral [(11)C]Cimbi-36 PET and compare [(11)C]Cimbi-36 and the 5-HT2...

journal_title：NeuroImage

authors： Ettrup A,Svarer C,McMahon B,da Cunha-Bang S,Lehel S,Møller K,Dyssegaard A,Ganz M,Beliveau V,Jørgensen LM,Gillings N,Knudsen GM

更新日期：2016-04-15 00:00:00

abstract：:In fMRI, time courses with similar temporal "activation" patterns may belong to different brain regions (i.e., these regions are functionally connected, coactivated). A group of time courses (TCs) corresponding to a particular type of temporal activation pattern should be maximally self-consistent (homogeneous). We de...

journal_title：NeuroImage

authors： Baumgartner R,Somorjai R,Summers R,Richter W

更新日期：2001-04-01 00:00:00

abstract：:Recently, deriving candidate endophenotypes from brain imaging data has become a valuable approach to study genetic influences on schizophrenia (SZ), whose pathophysiology remains unclear. In this work we utilized a multivariate approach, parallel independent component analysis, to identify genomic risk components ass...

journal_title：NeuroImage

authors： Chen J,Calhoun VD,Pearlson GD,Ehrlich S,Turner JA,Ho BC,Wassink TH,Michael AM,Liu J

更新日期：2012-07-16 00:00:00

abstract：:Moving from group level to individual level functional parcellation maps is a critical step for developing a rich understanding of the links between individual variation in functional network architecture and cognitive and clinical phenotypes. Still, the identification of functional units in the brain based on intrins...

journal_title：NeuroImage

authors： Garcia-Garcia M,Nikolaidis A,Bellec P,Craddock RC,Cheung B,Castellanos FX,Milham MP

更新日期：2018-04-15 00:00:00