Anxiety positive subjects show altered processing in the anterior insula during anticipation of negative stimuli.

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：: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：: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：: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：:The registration of image volumes derived from different imaging modalities such as MRI, PET, SPECT, and CT has been described in numerous studies in which functional and morphological data are combined on the basis of macrostructural information. However, the exact topography of architectural details is defined by mi...

journal_title：Human brain mapping

authors： Schormann T,Zilles K

更新日期：1998-01-01 00:00:00

abstract：:We previously showed that dual-task cost (DTC) on gait speed in people with Parkinson's disease (PD) improved after 6 weeks of the Agility Boot Camp with Cognitive Challenge (ABC-C) exercise program. Since deficits in dual-task gait speed are associated with freezing of gait and gray matter atrophy, here we performed ...

journal_title：Human brain mapping

authors： Silva-Batista C,Ragothaman A,Mancini M,Carlson-Kuhta P,Harker G,Jung SH,Nutt JG,Fair DA,Horak FB,Miranda-Domínguez O

更新日期：2021-01-01 00:00:00

abstract：:Increased cerebral blood flow in the anterior cingulate cortex (ACC) has been noted in a range of cognitively demanding tasks studied with PET. A PET study of 10 normal males was carried out using the bolus H2(15)O intravenous injection technique to examine the effects of anticipation on blood flow to the ACC. In a se...

journal_title：Human brain mapping

authors： Murtha S,Chertkow H,Beauregard M,Dixon R,Evans A

更新日期：1996-01-01 00:00:00

abstract：:During the last 20 years, predictive modeling in epilepsy research has largely been concerned with the prediction of seizure events, whereas the inference of effective brain targets for resective surgery has received surprisingly little attention. In this exploratory pilot study, we describe a distributional clusterin...

journal_title：Human brain mapping

authors： Steimer A,Müller M,Schindler K

更新日期：2017-05-01 00:00:00

abstract：:Mind wandering (MW) has become a prominent topic of neuroscientific investigation due to the importance of understanding attentional processes in our day-to-day experiences. Emerging evidence suggests a critical role for three large-scale brain networks in MW: the default network (DN), the central executive network (C...

journal_title：Human brain mapping

authors： Denkova E,Nomi JS,Uddin LQ,Jha AP

更新日期：2019-10-15 00:00:00

abstract：:What basic visual structures underlie human face detection and how can we extract such structures directly from the amplitude of neural responses elicited by face processing? Here, we address these issues by investigating an extension of noise-based image classification to BOLD responses recorded in high-level visual ...

journal_title：Human brain mapping

authors： Nestor A,Vettel JM,Tarr MJ

更新日期：2013-11-01 00:00:00

abstract：:Recent research found lasting increases in personality trait Openness in healthy individuals and patients after administration of the serotonin 2A receptor (5-HT2A R) agonist psilocybin. However, no studies have investigated whether 5-HT2A R availability as imaged using positron emission tomography (PET) is associated...

journal_title：Human brain mapping

authors： Stenbaek DS,Kristiansen S,Burmester D,Madsen MK,Frokjaer VG,Knudsen GM,Fisher PM

更新日期：2019-05-01 00:00:00

abstract：:Transcranial magnetic stimulation (TMS) during positron emission tomography (PET) is a novel technique for in vivo measurements of connectivity and excitability of the human cerebral cortex. Here we describe tools that allow investigators to position the stimulating coil over a target region and to verify the actual p...

journal_title：Human brain mapping

authors： Paus T,Wolforth M

更新日期：1998-01-01 00:00:00

abstract：:Experienced video game players exhibit superior performance in visuospatial cognition when compared to non-players. However, very little is known about the relation between video game experience and structural brain plasticity. To address this issue, a direct comparison of the white matter brain structure in RTS (real...

journal_title：Human brain mapping

authors： Kowalczyk N,Shi F,Magnuski M,Skorko M,Dobrowolski P,Kossowski B,Marchewka A,Bielecki M,Kossut M,Brzezicka A

更新日期：2018-09-01 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：:The recent ability to measure in vivo beta-amyloid (Aβ), a marker of Alzheimer's disease (AD), has led to an increased focus on the significance of Aβ deposition in clinically normal adults. Evidence suggests that healthy adults with elevated cortical Aβ show differences in neural activity associated with memory encod...

journal_title：Human brain mapping

authors： Rieck JR,Rodrigue KM,Kennedy KM,Devous MD Sr,Park DC

更新日期：2015-07-01 00:00:00

abstract：:We used computer simulations to investigate finite element models of the layered structure of the human skull in EEG source analysis. Local models, where each skull location was modeled differently, and global models, where the skull was assumed to be homogeneous, were compared to a reference model, in which spongy an...

journal_title：Human brain mapping

authors： Dannhauer M,Lanfer B,Wolters CH,Knösche TR

更新日期：2011-09-01 00:00:00

abstract：OBJECTIVE:To assess the structural correlates of cognitive and behavioral impairment in motor neuron diseases (MND) using multimodal MRI. METHODS:One hundred one patients with sporadic MND (56 classic amyotrophic lateral sclerosis, 31 upper motor neuron phenotype, and 14 lower motor neuron phenotype) and 51 controls w...

journal_title：Human brain mapping

authors： Agosta F,Ferraro PM,Riva N,Spinelli EG,Chiò A,Canu E,Valsasina P,Lunetta C,Iannaccone S,Copetti M,Prudente E,Comi G,Falini A,Filippi M

更新日期：2016-04-01 00:00:00

abstract：:Word production is a complex multistage process linking conceptual representations, lexical entries, phonological forms and articulation. Previous studies have revealed a network of predominantly left-lateralized brain regions supporting this process, but many details regarding the precise functions of different nodes...

journal_title：Human brain mapping

authors： Wilson SM,Isenberg AL,Hickok G

更新日期：2009-11-01 00:00:00

abstract：BACKGROUND:While acceleration in age-related cerebral atrophy has been well documented in Alzheimer's disease, the cerebellar contributions to this effect have not been thoroughly investigated. OBJECTIVE:This study investigated cerebellar volume and atrophy rate using magnetic resonance imaging in individuals with nor...

journal_title：Human brain mapping

authors： Tabatabaei-Jafari H,Walsh E,Shaw ME,Cherbuin N,Alzheimer's Disease Neuroimaging Initiative (ADNI).

更新日期：2017-06-01 00:00:00

abstract：:Migraine sufferers with aura often report photosensitivity and visual discomfort outside of attacks and many consider bright or flickering light an attack-precipitating factor. The nature of this visual hypersensitivity and its relation to the underlying pathophysiology of the migraine aura is unknown. Using fMRI meas...

journal_title：Human brain mapping

authors： Hougaard A,Amin FM,Hoffmann MB,Rostrup E,Larsson HB,Asghar MS,Larsen VA,Olesen J,Ashina M

更新日期：2014-06-01 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

abstract：:Deficits in information processing speed (IPS) are among the earliest and most prominent cognitive manifestations in mild traumatic brain injury (mTBI). We investigated the impact of white matter fiber location on IPS outcome in an individual basis assessment. A total of 112 acute mild TBI with all CT negative underwe...

journal_title：Human brain mapping

authors： Bai L,Bai G,Wang S,Yang X,Gan S,Jia X,Yin B,Yan Z

更新日期：2020-07-13 00:00:00

abstract：:Patients with advanced Parkinson's disease (PD) develop disabling axial symptoms, including gait disturbances, freezing and postural instability poorly responsive to levodopa replacement therapy. The pedunculopontine nucleus (PPN) is involved in locomotion, control of posture, and behavioral states [i.e. wakefulness, ...

journal_title：Human brain mapping

authors： Ballanger B,Lozano AM,Moro E,van Eimeren T,Hamani C,Chen R,Cilia R,Houle S,Poon YY,Lang AE,Strafella AP

更新日期：2009-12-01 00:00:00

abstract：:It has been suggested that in humans the mirror neuron system provides a neural substrate for imitation behaviour, but the relative contributions of different brain regions to the imitation of manual actions is still a matter of debate. To investigate the role of the mirror neuron system in imitation we used fMRI to e...

journal_title：Human brain mapping

authors： Molenberghs P,Brander C,Mattingley JB,Cunnington R

更新日期：2010-09-01 00:00:00

abstract：:Although reduced working memory brain activation has been reported in several brain regions of cocaine-dependent subjects compared with controls, very little is known about whether there is altered connectivity of working memory pathways in cocaine dependence. This study addresses this issue by using functional magnet...

journal_title：Human brain mapping

authors： Ma L,Steinberg JL,Hasan KM,Narayana PA,Kramer LA,Moeller FG

更新日期：2014-03-01 00:00:00

abstract：:The arcuate fasciculus (AF) connects cortical regions important in language processing, but how fiber coherence and organization relates to gray matter macrostructure remains uncharacterized. We used high-resolution structural and 30-direction diffusion imaging data from 36 healthy adults (24 male/12 female; mean age,...

journal_title：Human brain mapping

authors： Phillips OR,Clark KA,Woods RP,Subotnik KL,Asarnow RF,Nuechterlein KH,Toga AW,Narr KL

更新日期：2011-11-01 00:00:00

abstract：:It has previously been demonstrated that there is a negative correlation between the amplitude of the BOLD response and resting γ amino-butyric acid (GABA) concentration in visual cortex. The work here is the first to empirically characterize individual variability in the haemodynamic response functions (HRFs) in resp...

journal_title：Human brain mapping

authors： Muthukumaraswamy SD,Evans CJ,Edden RA,Wise RG,Singh KD

更新日期：2012-02-01 00:00:00

abstract：:Electroencephalography (EEG) and functional magnetic resonance imaging (fMRI) are important tools in cognitive and clinical neuroscience. Combined EEG-fMRI has been shown to help to characterise brain networks involved in epileptic activity, as well as in different sensory, motor and cognitive functions. A good unders...

journal_title：Human brain mapping

authors： Murta T,Leite M,Carmichael DW,Figueiredo P,Lemieux L

更新日期：2015-01-01 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：:Months, days of the week, and numbers differ from other verbal concepts because they are ordered in a sequence, whereas no order is imposed on members of other categories, such as animals or tools. Recent studies suggest that numbers activate a representation of their quantity within the intraparietal sulcus (IPS) aut...

journal_title：Human brain mapping

authors： Ischebeck A,Heim S,Siedentopf C,Zamarian L,Schocke M,Kremser C,Egger K,Strenge H,Scheperjans F,Delazer M

更新日期：2008-08-01 00:00:00