Linearity of the fMRI response in category-selective regions of human visual cortex.

abstract：:Altered serotonergic neurotransmission has been found to cause impulsive and aggressive behavior, as well as increased motor activity, all exemplifying key symptoms of ADHD. The main objectives of this positron emission tomography (PET) study were to investigate the serotonin transporter binding potential (SERT BPND )...

journal_title：Human brain mapping

authors： Vanicek T,Kutzelnigg A,Philippe C,Sigurdardottir HL,James GM,Hahn A,Kranz GS,Höflich A,Kautzky A,Traub-Weidinger T,Hacker M,Wadsak W,Mitterhauser M,Kasper S,Lanzenberger R

更新日期：2017-02-01 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：: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：:Subcortical functions for language capacities are poorly defined, but may be investigated in the context of deep brain stimulation. Here, we studied event-related potentials recorded from electrodes in the subthalamic nucleus (STN) and the thalamic ventral intermediate nucleus (VIM) together with surface-EEG. Particip...

journal_title：Human brain mapping

authors： Tiedt HO,Ehlen F,Krugel LK,Horn A,Kühn AA,Klostermann F

更新日期：2017-01-01 00:00:00

abstract：:Baseline hematocrit fraction (Hct) is a determinant for baseline cerebral blood flow (CBF) and between-subject variation of Hct thus causes variation in task-based BOLD fMRI signal changes. We first verified in healthy volunteers (n = 12) that Hct values can be derived reliably from venous blood T1 values by compariso...

journal_title：Human brain mapping

authors： Xu F,Li W,Liu P,Hua J,Strouse JJ,Pekar JJ,Lu H,van Zijl PCM,Qin Q

更新日期：2018-01-01 00:00:00

abstract：:Recent studies have shown that resting-state functional networks as studied with fMRI, EEG, and MEG may be so-called small-world networks. We investigated to what extent the characteristic features of small-world networks are genetically determined. To represent functional connectivity between brain areas, we measured...

journal_title：Human brain mapping

authors： Smit DJ,Stam CJ,Posthuma D,Boomsma DI,de Geus EJ

更新日期：2008-12-01 00:00:00

abstract：:The concept of brain maintenance refers to the preservation of brain integrity in older age, while cognitive reserve refers to the capacity to maintain cognition in the presence of neurodegeneration or aging-related brain changes. While both mechanisms are thought to contribute to individual differences in cognitive f...

journal_title：Human brain mapping

authors： Anatürk M,Kaufmann T,Cole JH,Suri S,Griffanti L,Zsoldos E,Filippini N,Singh-Manoux A,Kivimäki M,Westlye LT,Ebmeier KP,de Lange AG

更新日期：2020-12-14 00:00:00

abstract：:Several studies have shown activation of the mirror neuron system (MNS), comprising the temporal, posterior parietal, and sensorimotor areas when observing plausible actions, but far less is known on how these cortical areas interact during the recognition of a plausible action. Here, we recorded neural activity with ...

journal_title：Human brain mapping

authors： Pavlidou A,Schnitzler A,Lange J

更新日期：2014-02-01 00:00:00

abstract：:This paper describes a Bayesian method for three-dimensional registration of brain images. A finite element approach is used to obtain a maximum a posteriori estimate of the deformation field at every voxel of a template volume. The priors used by the MAP estimate penalize unlikely deformations and enforce a continuou...

journal_title：Human brain mapping

authors： Ashburner J,Andersson JL,Friston KJ

更新日期：2000-04-01 00:00:00

abstract：:The Stroop interference test requires a person to respond to specific elements of a stimulus while suppressing a competing response. Previous positron emission tomography (PET) work has shown increased activity in the right anterior cingulate gyrus during the Stroop test. It is unclear, however, whether the anterior c...

journal_title：Human brain mapping

authors： George MS,Ketter TA,Parekh PI,Rosinsky N,Ring H,Casey BJ,Trimble MR,Horwitz B,Herscovitch P,Post RM

更新日期：1994-01-01 00:00:00

abstract：:From birth to 5 years of age, brain structure matures and evolves alongside emerging cognitive and behavioral abilities. In relating concurrent cognitive functioning and measures of brain structure, a major challenge that has impeded prior investigation of their time-dynamic relationships is the sparse and irregular n...

journal_title：Human brain mapping

authors： Dai X,Hadjipantelis P,Wang JL,Deoni SCL,Müller HG

更新日期：2019-10-01 00:00:00

abstract：:In BOLD fMRI data analysis, robust and accurate estimation of the Hemodynamic Response Function (HRF) is still under investigation. Parametric methods assume the shape of the HRF to be known and constant throughout the brain, whereas non-parametric methods mostly rely on artificially increasing the signal-to-noise rat...

journal_title：Human brain mapping

authors： Marrelec G,Benali H,Ciuciu P,Pélégrini-Issac M,Poline JB

更新日期：2003-05-01 00:00:00

abstract：:An important function of the brain's orienting response is to enable the evaluation of novel, environmental events in order to prepare for potential behavioral action. Here, we assessed the event-related hemodynamic (erfMRI) correlates of this phenomenon using unexpected (i.e., novel) environmental sounds presented wi...

journal_title：Human brain mapping

authors： Friedman D,Goldman R,Stern Y,Brown TR

更新日期：2009-04-01 00:00:00

abstract：:Developmental dyslexia affects 40-60% of children with a familial risk (FHD+) compared to a general prevalence of 5-10%. Despite the increased risk, about half of FHD+ children develop typical reading abilities (FHD+Typical). Yet the underlying neural characteristics of favorable reading outcomes in at-risk children r...

journal_title：Human brain mapping

authors： Yu X,Zuk J,Perdue MV,Ozernov-Palchik O,Raney T,Beach SD,Norton ES,Ou Y,Gabrieli JDE,Gaab N

更新日期：2020-07-01 00:00:00

abstract：:Here, we ask whether frontotemporal cortex is functionally dissociated into distributed lexical and category-specific semantic networks. To this end, fMRI activation patterns elicited during the processing of words from different semantic categories were categorized using k-means cluster algorithms. Results showed a d...

journal_title：Human brain mapping

authors： Pulvermüller F,Kherif F,Hauk O,Mohr B,Nimmo-Smith I

更新日期：2009-12-01 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：:3,4-Methylenedioxymethamphetamine (MDMA; 'Ecstasy') is a psychostimulant drug producing heightened mood and facilitated social communication. In animal studies, MDMA effects are primarily mediated by serotonin (5-HT), but also by dopamine (DA) and possibly noradrenaline (NA). In humans, however, the neurochemical and ...

journal_title：Human brain mapping

authors： Frei E,Gamma A,Pascual-Marqui R,Lehmann D,Hell D,Vollenweider FX

更新日期：2001-11-01 00:00:00

abstract：:The posteromedial cortex (PMC) is a key region involved in the development and progression of Alzheimer's disease (AD). Previous studies have demonstrated a heterogenous functional architecture of the region that is composed of discrete functional modules reflecting a complex pattern of functional connectivity. Howeve...

journal_title：Human brain mapping

authors： Khan W,Amad A,Giampietro V,Werden E,De Simoni S,O'Muircheartaigh J,Westman E,O'Daly O,Williams SCR,Brodtmann A,Alzheimer's Disease Neuroimaging Initiative.

更新日期：2020-04-15 00:00:00

abstract：:Cross-modal processing enables the utilization of information received via different sensory organs to facilitate more complicated human actions. We used functional MRI on early-blind individuals to study the neural processes associated with cross auditory-spatial learning. The auditory signals, converted from echoes ...

journal_title：Human brain mapping

authors： Chan CC,Wong AW,Ting KH,Whitfield-Gabrieli S,He J,Lee TM

更新日期：2012-11-01 00:00:00

abstract：:Adverse childhood experiences (ACEs) have been acknowledged as risk factors for increased mental health complications in adulthood, specifically increasing susceptibility to developing psychopathology upon exposure to trauma. Yet, little is known regarding the impact of mild ACEs on highly functioning population. In t...

journal_title：Human brain mapping

authors： Mirman A,Bick AS,Kalla C,Canetti L,Segman R,Dan R,Ben Yehuda A,Levin N,Bonne O

更新日期：2021-02-15 00:00:00

abstract：:Auditory steady-state responses (ASSRs) are evoked brain responses to modulated or repetitive acoustic stimuli. Investigating the underlying neural generators of ASSRs is important to gain in-depth insight into the mechanisms of auditory temporal processing. The aim of this study is to reconstruct an extensive range o...

journal_title：Human brain mapping

authors： Farahani ED,Wouters J,van Wieringen A

更新日期：2021-02-15 00:00:00

abstract：:Adolescence is a time period associated with marked brain maturation that coincides with an enhanced risk for onset of psychiatric disorder. White matter tract myelination, a process that continues to unfold throughout adolescence, is reported to be abnormal in several psychiatric disorders. Here, we ask whether psych...

journal_title：Human brain mapping

authors： Vanes LD,Moutoussis M,Ziegler G,Goodyer IM,Fonagy P,Jones PB,Bullmore ET,NSPN Consortium.,Dolan RJ

更新日期：2020-02-15 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：OBJECTIVE:Poor decision-making is a hallmark of addiction, whether to substances or activities. Performance on a widely used test of decision-making, the Iowa Gambling Task (IGT), can discriminate controls from persons with ventral medial frontal lesions, substance-dependence, and pathological gambling. Positron emissi...

journal_title：Human brain mapping

authors： Tanabe J,Thompson L,Claus E,Dalwani M,Hutchison K,Banich MT

更新日期：2007-12-01 00:00:00

abstract：:Compared with complex coordinated orofacial actions, few neuroimaging studies have attempted to determine the shared and distinct neural substrates of supralaryngeal and laryngeal articulatory movements when performed independently. To determine cortical and subcortical regions associated with supralaryngeal motor con...

journal_title：Human brain mapping

authors： Grabski K,Lamalle L,Vilain C,Schwartz JL,Vallée N,Tropres I,Baciu M,Le Bas JF,Sato M

更新日期：2012-10-01 00:00:00

abstract：:Voluntary movements require control of multiple kinematic parameters, a task carried out by a distributed brain architecture. However, it remains unclear whether regions along the motor system encode single, or rather a mixture of, kinematic parameters during action execution. Here, rapid event-related functional magn...

journal_title：Human brain mapping

authors： Stark-Inbar A,Dayan E

更新日期：2017-12-01 00:00:00

abstract：:Action observation leads to the automatic activation of the corresponding motor representation in the observer through "mirror-matching." This constitutes a "shared representational system," which is thought to subserve social understanding by motor simulation. However, it is unclear how these shared representations c...

journal_title：Human brain mapping

authors： Spengler S,von Cramon DY,Brass M

更新日期：2009-11-01 00:00:00

abstract：:People tend to lie in varying degrees. To advance our understanding of the underlying neural mechanisms of this heterogeneity, we investigated individual differences in self-serving lying. We performed a functional magnetic resonance imaging study in 37 participants and introduced a color-reporting game where lying ab...

journal_title：Human brain mapping

authors： Yin L,Weber B

更新日期：2019-03-01 00:00:00

abstract：:Ten healthy adults encountered pictures of unfamiliar archaic tools and successfully learned either their name, verbal definition of their usage, or both. Neural representation of the newly acquired information was probed with magnetoencephalography in an overt picture-naming task before and after learning, and in two...

journal_title：Human brain mapping

authors： Hultén A,Vihla M,Laine M,Salmelin R

更新日期：2009-03-01 00:00:00

abstract：:Recently, it has been suggested that backwardly masked, and thus subliminally presented, fearful eyes are processed by the amygdala. Here, we investigated in four functional magnetic resonance imaging experiments whether the amygdala responds to subliminally presented fearful eyes per se or whether an interaction of m...

journal_title：Human brain mapping

authors： Straube T,Dietrich C,Mothes-Lasch M,Mentzel HJ,Miltner WH

更新日期：2010-10-01 00:00:00