Effective connectivity of the multiplication network: a functional MRI and multivariate Granger Causality Mapping study.

abstract：BACKGROUND:Whether hippocampal subfields are differentially vulnerable at the earliest stages of multiple sclerosis (MS) and how this impacts memory performance is a current topic of debate. METHOD:We prospectively included 56 persons with clinically isolated syndrome (CIS) suggestive of MS in a 1-year longitudinal st...

journal_title：Human brain mapping

authors： Planche V,Koubiyr I,Romero JE,Manjon JV,Coupé P,Deloire M,Dousset V,Brochet B,Ruet A,Tourdias T

更新日期：2018-04-01 00:00:00

abstract：:Brain circuits mediate but also constrain experience-induced plasticity and corresponding behavioral changes. Here we tested whether interindividual behavioral differences in learning a challenging new motor skill correlate with variations in brain anatomy. Young, healthy participants were scanned using structural mag...

journal_title：Human brain mapping

authors： Lehmann N,Tolentino-Castro JW,Kaminski E,Ragert P,Villringer A,Taubert M

更新日期：2019-10-15 00:00:00

abstract：:Functional and anatomical asymmetries are prevalent features of the human brain, linked to gender, handedness, and cognition. However, little is known about the neurodevelopmental processes involved. In zebrafish, asymmetries arise in the diencephalon before extending within the central nervous system. We aimed to ide...

journal_title：Human brain mapping

authors： Guadalupe T,Zwiers MP,Teumer A,Wittfeld K,Vasquez AA,Hoogman M,Hagoort P,Fernandez G,Buitelaar J,Hegenscheid K,Völzke H,Franke B,Fisher SE,Grabe HJ,Francks C

更新日期：2014-07-01 00:00:00

abstract：:The nuclei of the human amygdala remain difficult to distinguish in individual subject structural magnetic resonance images. However, interpretation of the amygdala's role in whole brain networks requires accurate localization of functional activity to a particular nucleus or subgroup of nuclei. To address this, high ...

journal_title：Human brain mapping

authors： Tyszka JM,Pauli WM

更新日期：2016-11-01 00:00:00

abstract：:Deficits in inhibitory control and visual processing are common in youths with attention-deficit/hyperactivity disorder (ADHD), but little is known about endophenotypes for unaffected siblings of youths with ADHD. This study aimed to investigate the potential endophenotypes of brain activation and performance in inhib...

journal_title：Human brain mapping

authors： Fan LY,Shang CY,Tseng WI,Gau SS,Chou TL

更新日期：2018-10-01 00:00:00

abstract：:Neuropsychiatric syndromes are highly prevalent in Alzheimer's disease (AD), but their neurobiology is not completely understood. New methods in functional magnetic resonance imaging, such as intrinsic functional connectivity or "resting-state" analysis, may help to clarify this issue. Using such approaches, alteratio...

journal_title：Human brain mapping

authors： Balthazar ML,Pereira FR,Lopes TM,da Silva EL,Coan AC,Campos BM,Duncan NW,Stella F,Northoff G,Damasceno BP,Cendes F

更新日期：2014-04-01 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：:Fluid intelligence (gf) refers to abstract reasoning and problem solving abilities. It is considered a human higher cognitive factor central to general intelligence (g). The regions of the cortex supporting gf have been revealed by recent bioimaging studies and valuable hypothesis on the neural correlates of individua...

journal_title：Human brain mapping

authors： Perfetti B,Saggino A,Ferretti A,Caulo M,Romani GL,Onofrj M

更新日期：2009-02-01 00:00:00

abstract：:We present a new technique for segmentation of skull and scalp in T(1)-weighted magnetic resonance images (MRIs) of the human head. Our method uses mathematical morphological operations to generate realistic models of the skull, scalp, and brain that are suitable for electroencephalography (EEG) and magnetoencephalogr...

journal_title：Human brain mapping

authors： Dogdas B,Shattuck DW,Leahy RM

更新日期：2005-12-01 00:00:00

abstract：:Rasagiline is a monoamine oxidase type B inhibitor that possesses no amphetamine-like properties, and provides symptomatic relief in early and late stages of Parkinson's disease (PD). Data in animal models of PD suggest that chronic administration of rasagiline is associated with structural changes in the substantia n...

journal_title：Human brain mapping

authors： Burciu RG,Ofori E,Shukla P,Pasternak O,Chung JW,McFarland NR,Okun MS,Vaillancourt DE

更新日期：2016-08-01 00:00:00

abstract：:Catechol-O-methyltransferase (COMT), located on chromosome 22q11.2, encodes an enzyme critical for dopamine flux in the prefrontal cortex. Genetic variants of COMT have been suggested to functionally manipulate prefrontal morphology and function in healthy adults. This study aims to investigate modulative roles of ind...

journal_title：Human brain mapping

authors： Lee A,Qiu A

更新日期：2016-06-01 00:00:00

abstract：:Studying the early dynamic development of cortical folding with remarkable individual variability is critical for understanding normal early brain development and related neurodevelopmental disorders. This study focuses on the fingerprinting capability and the individual variability of cortical folding during early br...

journal_title：Human brain mapping

authors： Duan D,Xia S,Rekik I,Wu Z,Wang L,Lin W,Gilmore JH,Shen D,Li G

更新日期：2020-06-01 00:00:00

abstract：:We describe a system that localizes a single dipole to reasonable accuracy from noisy magnetoencephalographic (MEG) measurements in real time. At its core is a multilayer perceptron (MLP) trained to map sensor signals and head position to dipole location. Including head position overcomes the previous need to retrain ...

journal_title：Human brain mapping

authors： Jun SC,Pearlmutter BA

更新日期：2005-01-01 00:00:00

abstract：:We investigated brain responses to matching versus nonmatching objects in working memory (WM) with a modified delayed match-to-sample task using event-related potentials (ERPs). In addition, ERP correlates of new items (new matches/new nonmatches) and previously studied items (studied matches/studied nonmatches) were ...

journal_title：Human brain mapping

authors： Guo C,Lawson AL,Zhang Q,Jiang Y

更新日期：2008-04-01 00:00:00

abstract：:Task-based functional neuroimaging methods are increasingly being used to identify biomarkers of treatment response in psychiatric disorders. To facilitate meaningful interpretation of neural correlates of tasks and their potential changes with treatment over time, understanding the reliability of the blood-oxygen-lev...

journal_title：Human brain mapping

authors： Hassel S,Sharma GB,Alders GL,Davis AD,Arnott SR,Frey BN,Hall GB,Harris JK,Lam RW,Milev R,Müller DJ,Rotzinger S,Zamyadi M,Kennedy SH,Strother SC,MacQueen GM

更新日期：2020-04-15 00:00:00

abstract：:The anterior limb of the internal capsule (ALIC) is an important locus of frontal-subcortical fiber tracts involved in cognitive and limbic feedback loops. However, the structural organization of its component fiber tracts remains unclear. Therefore, although the ALIC is a promising target for various neurosurgical pr...

journal_title：Human brain mapping

authors： Nanda P,Banks GP,Pathak YJ,Sheth SA

更新日期：2017-12-01 00:00:00

abstract：:During complex tasks, patterns of functional connectivity differ from those in the resting state. However, what accounts for such differences remains unclear. Brain activity during a task reflects an unknown mixture of spontaneous and task-evoked activities. The difference in functional connectivity between a task sta...

journal_title：Human brain mapping

authors： Lynch LK,Lu KH,Wen H,Zhang Y,Saykin AJ,Liu Z

更新日期：2018-12-01 00:00:00

abstract：:Although the brain areas in the default-mode network (DMN) act in a coordinated way during rest, the activity levels in the individual areas of the DMN are highly heterogeneous. The relation between the activity levels and the pattern of causal interaction among the DMN areas remains unknown. In the present fMRI study...

journal_title：Human brain mapping

authors： Jiao Q,Lu G,Zhang Z,Zhong Y,Wang Z,Guo Y,Li K,Ding M,Liu Y

更新日期：2011-01-01 00:00:00

abstract：:Functional neuroimaging studies in adults show that aggression involves reduced brain communication between subcortical and cortical areas dedicated to motivation and control, respectively. Prior research indicates that sex steroid hormone production during adolescence negatively influences the rapid development of wh...

journal_title：Human brain mapping

authors： Peper JS,de Reus MA,van den Heuvel MP,Schutter DJ

更新日期：2015-03-01 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：:The cingulum bundle is a white matter fiber bundle in the human brain that is believed to be implicated in various neurological and psychiatric diseases. Subtle disease-related differences in metabolite concentrations in the cingulum tracts that may underlie these diseases may be detected using MR spectroscopic inform...

journal_title：Human brain mapping

authors： Mandl RC,van den Heuvel MP,Klomp DW,Boer VO,Siero JC,Luijten PR,Hulshoff Pol HE

更新日期：2012-07-01 00:00:00

abstract：:Previous studies have led to the proposal that patients with Alzheimer's disease (AD) may have disturbed functional connectivity between different brain regions. Furthermore, recent resting-state functional magnetic resonance imaging (fMRI) studies have also shown that low-frequency (<0.08 Hz) fluctuations (LFF) of th...

journal_title：Human brain mapping

authors： Wang K,Liang M,Wang L,Tian L,Zhang X,Li K,Jiang T

更新日期：2007-10-01 00:00:00

abstract：:Musical expertise is visible both in the morphology and functionality of the brain. Recent research indicates that functional integration between multi-sensory, somato-motor, default-mode (DMN), and salience (SN) networks of the brain differentiates musicians from non-musicians during resting state. Here, we aimed at ...

journal_title：Human brain mapping

authors： Alluri V,Toiviainen P,Burunat I,Kliuchko M,Vuust P,Brattico E

更新日期：2017-06-01 00:00:00

abstract：:Linking observed and executable actions appears to be achieved by an action observation network (AON), comprising parietal, premotor, and occipitotemporal cortical regions of the human brain. AON engagement during action observation is thought to aid in effortless, efficient prediction of ongoing movements to support ...

journal_title：Human brain mapping

authors： Cross ES,Stadler W,Parkinson J,Schütz-Bosbach S,Prinz W

更新日期：2013-02-01 00:00:00

abstract：:Previous investigations of the default-mode network (DMN) in persons with attention-deficit/hyperactivity disorder (ADHD) have shown reduced functional connectivity between the anterior and posterior aspects. This finding was originally demonstrated in adults with ADHD, then in youth with ADHD, and has been tentativel...

journal_title：Human brain mapping

authors： Wilson TW,Franzen JD,Heinrichs-Graham E,White ML,Knott NL,Wetzel MW

更新日期：2013-03-01 00:00:00

abstract：:Threshold-free cluster enhancement (TFCE) is a sensitive means to incorporate spatial neighborhood information in neuroimaging studies without using arbitrary thresholds. The majority of methods have applied TFCE to voxelwise data. The need to understand the relationship among multiple variables and imaging modalities...

journal_title：Human brain mapping

authors： Lett TA,Waller L,Tost H,Veer IM,Nazeri A,Erk S,Brandl EJ,Charlet K,Beck A,Vollstädt-Klein S,Jorde A,Kiefer F,Heinz A,Meyer-Lindenberg A,Chakravarty MM,Walter H

更新日期：2017-06-01 00:00:00

abstract：:The functional role of the left ventral occipito-temporal cortex (vOT) in visual word processing has been studied extensively. A prominent observation is higher activation for unfamiliar but pronounceable letter strings compared to regular words in this region. Some functional accounts have interpreted this finding as...

journal_title：Human brain mapping

authors： Schurz M,Kronbichler M,Crone J,Richlan F,Klackl J,Wimmer H

更新日期：2014-04-01 00:00:00

abstract：:Differences in brain activity of children with attention deficit hyperactivity disorder (ADHD) have been compared to normal healthy controls, suggesting neural correlates of cognitive/behavioral symptoms. Symptoms are improved with methylphenidate treatment but limited sources can be cited to show how brain activity i...

journal_title：Human brain mapping

authors： Lee JS,Kim BN,Kang E,Lee DS,Kim YK,Chung JK,Lee MC,Cho SC

更新日期：2005-03-01 00:00:00

abstract：:Dysfunction of corticostriatal loops has been proposed to underlie certain cognitive and behavioral problems associated with various neuropsychiatric disorders, such as obsessive-compulsive disorder (OCD) characterized by repetitive, unwanted thoughts, and behaviors. Although functional abnormalities in the loops invo...

journal_title：Human brain mapping

authors： Jung WH,Yücel M,Yun JY,Yoon YB,Cho KI,Parkes L,Kim SN,Kwon JS

更新日期：2017-01-01 00:00:00

abstract：:Own body perception, and differentiating and comparing one's body to another person's body, are common cognitive functions that have relevance for self-identity and social interactions. In several psychiatric conditions, including anorexia nervosa, body dysmorphic disorder, gender dysphoria, and autism spectrum disord...

journal_title：Human brain mapping

authors： Burke SM,Majid DSA,Manzouri AH,Moody T,Feusner JD,Savic I

更新日期：2019-02-01 00:00:00