Spatial smoothing in fMRI using prolate spheroidal wave functions.

abstract：:Impairment in controlled semantic association is a central feature of schizophrenia, and the goal of the current functional magnetic resonance imaging study was to identify the neural correlates of this impairment. Thirty people with schizophrenia and 30 healthy age- and gender-matched control subjects performed a tas...

journal_title：Human brain mapping

authors： Woodward TS,Tipper CM,Leung AL,Lavigne KM,Sanford N,Metzak PD

更新日期：2015-08-01 00:00:00

abstract：:Cortical hubs play a fundamental role in the functional architecture of brain connectivity at rest. However, the anatomical scaffold underlying their centrality is still under debate. Certainly, the brain function and anatomy are significantly entwined through synaptogenesis and pruning mechanisms that continuously re...

journal_title：Human brain mapping

authors： de Pasquale F,Della Penna S,Sabatini U,Caravasso Falletta C,Peran P

更新日期：2017-10-01 00:00:00

abstract：:Working memory (WM) performance is very often measured using the n-back task, in which the participant is presented with a sequence of stimuli, and required to indicate whether the current stimulus matches the one presented n steps earlier. In this study, we used high-density electroencephalography (hdEEG) coupled to ...

journal_title：Human brain mapping

authors： Semprini M,Bonassi G,Barban F,Pelosin E,Iandolo R,Chiappalone M,Mantini D,Avanzino L

更新日期：2020-11-17 00:00:00

abstract：:Cortical surface templates are an important standardized coordinate frame for cortical structure and function analysis in magnetic resonance (MR) imaging studies. The widely used adult cortical surface templates (e.g., fsaverage, Conte69, and the HCP-MMP atlas) are based on the Caucasian population. Neuroanatomical di...

journal_title：Human brain mapping

authors： Yang G,Bozek J,Han M,Gao JH

更新日期：2020-06-15 00:00:00

abstract：:Amyotrophic lateral sclerosis (ALS) is a severe neurodegenerative disease, which primarily targets the motor system. The structural integrity of the motor network and the way it is embedded in the overall brain network is essential for motor functioning. We studied the longitudinal effects of ALS on the brain network ...

journal_title：Human brain mapping

authors： Verstraete E,Veldink JH,van den Berg LH,van den Heuvel MP

更新日期：2014-04-01 00:00:00

abstract：:A face-selective neural signal is reliably found in humans with functional MRI and event-related potential (ERP) measures, which provide complementary information about the spatial and temporal properties of the neural response. However, because most neuroimaging studies so far have studied ERP and fMRI face-selective...

journal_title：Human brain mapping

authors： Sadeh B,Podlipsky I,Zhdanov A,Yovel G

更新日期：2010-10-01 00:00:00

abstract：:The central extended amygdala (EAc)-including the bed nucleus of the stria terminalis (BST) and central nucleus of the amygdala (Ce)-plays a critical role in triggering fear and anxiety and is implicated in the development of a range of debilitating neuropsychiatric disorders. Although it is widely believed that these...

journal_title：Human brain mapping

authors： Tillman RM,Stockbridge MD,Nacewicz BM,Torrisi S,Fox AS,Smith JF,Shackman AJ

更新日期：2018-03-01 00:00:00

abstract：:No study has investigated red nucleus (RN) atrophy in multiple sclerosis (MS) despite cerebellum and its connections are elective sites of MS-related pathology. In this study, we explore RN atrophy in early MS phases and its association with cerebellar damage (focal lesions and atrophy) and physical disability. Thirty...

journal_title：Human brain mapping

authors： Margoni M,Poggiali D,Zywicki S,Rubin M,Lazzarotto A,Franciotta S,Anglani MG,Causin F,Rinaldi F,Perini P,Filippi M,Gallo P

更新日期：2021-01-01 00:00:00

abstract：:Studies have found non-negligible differences in cortical thickness estimates across versions of software that are used for processing and quantifying MRI-based cortical measurements, and issues have arisen regarding these differences, as obtained estimates could potentially affect the validity of the results. However...

journal_title：Human brain mapping

authors： Chepkoech JL,Walhovd KB,Grydeland H,Fjell AM,Alzheimer's Disease Neuroimaging Initiative.

更新日期：2016-05-01 00:00:00

abstract：:Constrained spherical deconvolution (CSD) is a new technique that, based on high-angular resolution diffusion imaging (HARDI) MR data, estimates the orientation of multiple intravoxel fiber populations within regions of complex white matter architecture, thereby overcoming the limitations of the widely used diffusion ...

journal_title：Human brain mapping

authors： Jeurissen B,Leemans A,Jones DK,Tournier JD,Sijbers J

更新日期：2011-03-01 00:00:00

abstract：OBJECTIVES:Brisk walking, a sensitive test to evaluate gait capacity in normal and pathological aging such as parkinsonism, is used as an alternative to classical fitness program for motor rehabilitation and may help to decrease the risk of cognitive deterioration observed with aging. In this study, we aimed to identif...

journal_title：Human brain mapping

authors： Crémers J,Dessoullières A,Garraux G

更新日期：2012-04-01 00:00:00

abstract：:The hypothalamus is of enormous importance for multiple bodily functions such as energy homeostasis. Especially, rodent studies have greatly contributed to our understanding how specific hypothalamic subregions integrate peripheral and central signals into the brain to control food intake. In humans, however, the neur...

journal_title：Human brain mapping

authors： Kullmann S,Heni M,Linder K,Zipfel S,Häring HU,Veit R,Fritsche A,Preissl H

更新日期：2014-12-01 00:00:00

abstract：:We present an overview of the types of imaging experiments that can be performed on psychologically impaired patients. The critical observation from such studies is a differential pattern of activation in the patients and normals. Underactivity is interpretable only when the patients make normal responses. In this con...

journal_title：Human brain mapping

authors： Price CJ,Friston KJ

更新日期：1999-01-01 00:00:00

abstract：:Positron emission tomography (PET) was used to investigate the functional anatomy of the foveal fixation system in 10 subjects scanned under three different conditions: at rest (REST), during the fixation of a central point (FIX), and while fixating the same foveal target during the presentation of peripheral visual d...

journal_title：Human brain mapping

authors： Petit L,Dubois S,Tzourio N,Dejardin S,Crivello F,Michel C,Etard O,Denise P,Roucoux A,Mazoyer B

更新日期：1999-01-01 00:00:00

abstract：:Voxel-based analyses (VBA) are increasingly being used to detect white matter abnormalities with diffusion tensor imaging (DTI) in different types of pathologies. However, the validity, specificity, and sensitivity of statistical inferences of group differences to a large extent depend on the quality of the spatial no...

journal_title：Human brain mapping

authors： Sage CA,Van Hecke W,Peeters R,Sijbers J,Robberecht W,Parizel P,Marchal G,Leemans A,Sunaert S

更新日期：2009-11-01 00:00:00

abstract：:The neurons of the human cerebral cortex are arranged in a highly folded sheet, with the majority of the cortical surface area buried in folds. Cortical maps are typically arranged with a topography oriented parallel to the cortical surface. Despite this unambiguous sheetlike geometry, the most commonly used coordinat...

journal_title：Human brain mapping

authors： Fischl B,Sereno MI,Tootell RB,Dale AM

更新日期：1999-01-01 00:00:00

abstract：:Many studies have shown the involvement of the premotor cortex in action observation, recognizing this region as the neural marker of action simulation (i.e., internal modeling on the basis of the observer's own motor repertoire). So far, however, we have remained unaware of how action simulation differs from more gen...

journal_title：Human brain mapping

authors： Stadler W,Schubotz RI,von Cramon DY,Springer A,Graf M,Prinz W

更新日期：2011-05-01 00:00:00

abstract：:The reproducibility of activation patterns in the whole brain obtained by functional magnetic resonance imaging (fMRI) experiments at 4 Tesla was studied with a simple finger-opposition task. Six subjects performed three runs in one session, and each run was analyzed separately with the t-test as a univariate method a...

journal_title：Human brain mapping

authors： Tegeler C,Strother SC,Anderson JR,Kim SG

更新日期：1999-01-01 00:00:00

abstract：:There are several types of experiment in which it is useful to have subjects speak overtly in a magnetic resonance imaging (MRI) scanner, including those studying the articulatory apparatus and the neural basis of speech production, and fMRI experiments in which speech is used as a response modality. Although it is re...

journal_title：Human brain mapping

authors： Cusack R,Cumming N,Bor D,Norris D,Lyzenga J

更新日期：2005-04-01 00:00:00

abstract：:The mirror neuron system (MNS) is considered crucial for human imitation and language learning and provides the basis for the development of empathy and mentalizing. Alexithymia (ALEX), which refers to deficiencies in the self-awareness of emotional states, has been reported to be associated with poor ability in vario...

journal_title：Human brain mapping

authors： Moriguchi Y,Ohnishi T,Decety J,Hirakata M,Maeda M,Matsuda H,Komaki G

更新日期：2009-07-01 00:00:00

abstract：:One of our highest evolved functions as human beings is our capacity to switch between multiple tasks effectively. A body of research has identified a distributed frontoparietal network of brain regions which contribute to task switching. However, relatively less is known about whether some brain regions may contribut...

journal_title：Human brain mapping

authors： Kim C,Cilles SE,Johnson NF,Gold BT

更新日期：2012-01-01 00:00:00

abstract：:The effect of stimulus modulation rate on the underlying neural activity in human auditory cortex is not clear. Human studies (using both invasive and noninvasive techniques) have demonstrated that at the population level, auditory cortex follows stimulus envelope. Here we examined the effect of stimulus modulation ra...

journal_title：Human brain mapping

authors： Mukamel R,Nir Y,Harel M,Arieli A,Malach R,Fried I

更新日期：2011-08-01 00:00:00

abstract：:Non-quantitative MRI is prone to intersubject intensity variation rendering signal intensity level based analyses limited. Here, we propose a method that fuses non-quantitative routine T1-weighted (T1w), T2w, and T2w fluid-saturated inversion recovery sequences using independent component analysis and validate it on a...

journal_title：Human brain mapping

authors： Papazoglou S,Würfel J,Paul F,Brandt AU,Scheel M

更新日期：2017-07-01 00:00:00

abstract：:In functional magnetic resonance imaging (fMRI) research one is typically interested in neural activity. However, the blood-oxygenation level-dependent (BOLD) signal is a composite of both neural and vascular activity. As factors such as age or medication may alter vascular function, it is essential to account for cha...

journal_title：Human brain mapping

authors： Tsvetanov KA,Henson RN,Tyler LK,Davis SW,Shafto MA,Taylor JR,Williams N,Cam-Can,Rowe JB

更新日期：2015-06-01 00:00:00

abstract：OBJECTIVE:To determine the functional connectivity of different EEG bands at the "baseline" situation (rest) and during mathematical thinking in children and young adults to study the maturation effect on brain networks at rest and during a cognitive task. METHODS:Twenty children (8-12 years) and twenty students (21-2...

journal_title：Human brain mapping

authors： Micheloyannis S,Vourkas M,Tsirka V,Karakonstantaki E,Kanatsouli K,Stam CJ

更新日期：2009-01-01 00:00:00

abstract：:Previous research in young adults has demonstrated that both motor learning and transcranial direct current stimulation (tDCS) trigger decreases in the levels of gamma-aminobutyric acid (GABA) in the sensorimotor cortex, and these decreases are linked to greater learning. Less is known about the role of GABA in motor ...

journal_title：Human brain mapping

authors： King BR,Rumpf JJ,Verbaanderd E,Heise KF,Dolfen N,Sunaert S,Doyon J,Classen J,Mantini D,Puts NAJ,Edden RAE,Albouy G,Swinnen SP

更新日期：2020-09-01 00:00:00

abstract：:Benign epilepsy with centrotemporal spikes (BECTS) is characterized by abnormal (static) functional interactions among cortical and subcortical regions, regardless of the active or chronic epileptic state. However, human brain connectivity is dynamic and associated with ongoing rhythmic activity. The dynamic functiona...

journal_title：Human brain mapping

authors： Li R,Liao W,Yu Y,Chen H,Guo X,Tang YL,Chen H

更新日期：2018-03-01 00:00:00

abstract：:This fMRI study investigated brain activity while soccer players were imagining creative moves in real soccer decision-making situations. After presenting brief video clips of a soccer scene, participants had to imagine themselves as the acting player and think either of a creative or obvious move that might lead to a...

journal_title：Human brain mapping

authors： Fink A,Bay JU,Koschutnig K,Prettenthaler K,Rominger C,Benedek M,Papousek I,Weiss EM,Seidel A,Memmert D

更新日期：2019-02-15 00:00:00

abstract：:While much progress has been made in how brain organization supports language function, the language network's ability to adapt to immediate disturbances by means of reorganization remains unclear. The aim of this study was to examine acute reorganizational changes in brain activity related to conceptual and lexical r...

journal_title：Human brain mapping

authors： Klaus J,Schutter DJLG,Piai V

更新日期：2020-03-01 00:00:00

abstract：:Resection of the seizure generating tissue can be highly beneficial in patients with drug-resistant epilepsy. However, only about half of all patients undergoing surgery get permanently and completely seizure free. Investigating the dependences between intracranial EEG signals adds a multivariate perspective largely u...

journal_title：Human brain mapping

authors： Müller M,Caporro M,Gast H,Pollo C,Wiest R,Schindler K,Rummel C

更新日期：2020-02-01 00:00:00