Real-time fMRI neurofeedback: progress and challenges.

abstract：:This technical note describes some Bayesian procedures for the analysis of group studies that use nonlinear models at the first (within-subject) level - e.g., dynamic causal models - and linear models at subsequent (between-subject) levels. Its focus is on using Bayesian model reduction to finesse the inversion of mul...

journal_title：NeuroImage

authors： Friston KJ,Litvak V,Oswal A,Razi A,Stephan KE,van Wijk BCM,Ziegler G,Zeidman P

更新日期：2016-03-01 00:00:00

abstract：:Psychologists have been trying to understand differences in cognition and behavior between East Asian and Western cultures within a single cognitive framework such as holistic versus analytic or interdependent versus independent processes. However, it remains unclear whether cultural differences in multiple psychologi...

journal_title：NeuroImage

authors： Han S,Ma Y

更新日期：2014-10-01 00:00:00

abstract：:Most current functional Magnetic Resonance Imaging (fMRI) decoding analyses rely on statistical summaries of the data resulting from a deconvolution approach: each stimulation event is associated with a brain response. This standard approach leads to simple learning procedures, yet it is ill-suited for decoding events...

journal_title：NeuroImage

authors： Loula J,Varoquaux G,Thirion B

更新日期：2018-10-15 00:00:00

abstract：:Combining electroencephalogram (EEG) recording and functional magnetic resonance imaging (fMRI) offers the potential for imaging brain activity with high spatial and temporal resolution. This potential remains limited by the significant ballistocardiogram (BCG) artifacts induced in the EEG by cardiac pulsation-related...

journal_title：NeuroImage

authors： Krishnaswamy P,Bonmassar G,Poulsen C,Pierce ET,Purdon PL,Brown EN

更新日期：2016-03-01 00:00:00

abstract：:Virtual delineation of white matter bundles in the human brain is of paramount importance for multiple applications, such as pre-surgical planning and connectomics. A substantial body of literature is related to methods that automatically segment bundles from diffusion Magnetic Resonance Imaging (dMRI) data indirectly...

journal_title：NeuroImage

authors： Bertò G,Bullock D,Astolfi P,Hayashi S,Zigiotto L,Annicchiarico L,Corsini F,De Benedictis A,Sarubbo S,Pestilli F,Avesani P,Olivetti E

更新日期：2021-01-01 00:00:00

abstract：:Episodic memory deficits are proposed as a potential intermediate phenotype of schizophrenia. We examined deficits in visual episodic memory and associated brain activation differences among early course schizophrenia (n=22), first-degree relatives (n=16) and healthy controls without personal or family history of psyc...

journal_title：NeuroImage

authors： Stolz E,Pancholi KM,Goradia DD,Paul S,Keshavan MS,Nimgaonkar VL,Prasad KM

更新日期：2012-11-15 00:00:00

abstract：:In this study we examined spatiotemporal profiles of brain activity in the context of tasks designed to engage different verbal learning strategies (serial order, phonological, and semantic). The profile of activation associated with the serial-order strategy, which resulted in poor recall performance, featured early ...

journal_title：NeuroImage

authors： Maestú F,Simos PG,Campo P,Fernández A,Amo C,Paul N,González-Marqués J,Ortiz T

更新日期：2003-10-01 00:00:00

abstract：:Diffusion tensor imaging (DTI) studies in adolescents with autism spectrum disorders (ASD) indicate aberrant neurodevelopment of frontal white matter (WM), potentially underlying abnormal social cognition and communication in ASD. Here, we further use tract-based spatial statistics (TBSS) to examine the developmental ...

journal_title：NeuroImage

authors： Cheng Y,Chou KH,Chen IY,Fan YT,Decety J,Lin CP

更新日期：2010-04-15 00:00:00

abstract：:Picture-plane inversion dramatically impairs face recognition. Behavioral and event-related potential (ERP) studies suggest that this effect takes place during perceptual encoding of the face stimulus. However, the relationship between early electrophysiological responses to upright and inverted faces and the behavior...

journal_title：NeuroImage

authors： Jacques C,Rossion B

更新日期：2007-07-01 00:00:00

abstract：:Animal experiments indicate that after repeated pairings of palatable food receipt and cues that predict palatable food receipt, dopamine signaling increases in response to predictive cues, but decreases in response to food receipt. Using functional MRI and mixed effects growth curve models with 35 females (M age=15.5...

journal_title：NeuroImage

authors： Burger KS,Stice E

更新日期：2014-10-01 00:00:00

abstract：:Intracellular iron is essential for many neurobiological mechanisms. However, at high concentrations, iron may induce oxidative stress and inflammation. Brain iron overload has been shown in various neurodegenerative disorders and in normal aging. Elevated brain iron in old age may trigger brain dysfunction and concom...

journal_title：NeuroImage

authors： Salami A,Papenberg G,Sitnikov R,Laukka EJ,Persson J,Kalpouzos G

更新日期：2021-01-23 00:00:00

abstract：:Application of magnetic or electrical stimulation to the motor cortex can result in a period of electromyography (EMG) silence in a tonically active peripheral muscle. This period of EMG silence is referred to as the silent period (SP). The duration of SP shows intersubject variability and reflects the integrity of co...

journal_title：NeuroImage

authors： Farzan F,Barr MS,Hoppenbrouwers SS,Fitzgerald PB,Chen R,Pascual-Leone A,Daskalakis ZJ

更新日期：2013-12-01 00:00:00

abstract：:The brainstem is the part of the human brain that plays a pivotal role in the maintenance of many critical body functions. Due to the elevated level of cardiogenic noise, few fMRI studies have investigated the brainstem so far. Cardiac-gated echo-planar imaging with acquisition of two echoes per excitation (dual-echo ...

journal_title：NeuroImage

authors： Beissner F,Deichmann R,Baudrexel S

更新日期：2011-04-15 00:00:00

abstract：:In this work we report findings from an in vivo diffusion tensor imaging (DTI) study of the human optic chiasm at sub-millimeter voxel resolution. Data were collected at 3 T using a diffusion-weighted radial-FSE sequence, which provides images free from typical magnetic susceptibility artifacts. The general DTI featur...

journal_title：NeuroImage

authors： Sarlls JE,Pierpaoli C

更新日期：2009-10-01 00:00:00

abstract：:Oscillatory activity in the beta range, in human primary motor cortex (M1), shows interesting dynamics that are tied to behaviour and change systematically in disease. To investigate the pathophysiology underlying these changes, we must first understand how changes in beta activity are caused in healthy subjects. We t...

journal_title：NeuroImage

authors： Bhatt MB,Bowen S,Rossiter HE,Dupont-Hadwen J,Moran RJ,Friston KJ,Ward NS

更新日期：2016-06-01 00:00:00

abstract：:Using contextual information to predict aversive events is a critical ability that protects from generalizing fear responses to safe contexts. Animal models have demonstrated the importance of spatial context representations within the hippocampal formation in contextualization of fear learning. The ventromedial prefr...

journal_title：NeuroImage

authors： de Voogd LD,Murray YPJ,Barte RM,van der Heide A,Fernández G,Doeller CF,Hermans EJ

更新日期：2020-02-01 00:00:00

abstract：:Chemical exchange between water and labile protons from amino-acids, proteins and other molecules can be exploited to provide tissue contrast with magnetic resonance imaging (MRI) techniques. Using an off-resonance Spin-Locking (SL) scheme for signal preparation is advantageous because the image contrast can be tuned ...

journal_title：NeuroImage

authors： Jin T,Wang P,Zong X,Kim SG

更新日期：2012-01-16 00:00:00

abstract：:There has been extensive work using early event-related potentials (ERPs) to study visual object processing. ERP analyses focus traditionally on mean amplitude differences, with the implicit assumption that all of the neuronal activity of interest is evoked by the stimulus in a time-locked manner from trial to trial. ...

journal_title：NeuroImage

authors： Rousselet GA,Husk JS,Bennett PJ,Sekuler AB

更新日期：2007-07-01 00:00:00

abstract：:In this work we demonstrate the feasibility of applying small-angle X-ray scattering computed tomography (SAXS-CT) for non-invasive molecular imaging of myelin sheaths in a rat brain. Our results show that the approach yields information on several quantities, including the relative myelin concentration, its periodici...

journal_title：NeuroImage

authors： Jensen TH,Bech M,Bunk O,Menzel A,Bouchet A,Le Duc G,Feidenhans'l R,Pfeiffer F

更新日期：2011-07-01 00:00:00

abstract：:Multi-band echo planar imaging (MB-EPI), a new approach to increase data acquisition efficiency and/or temporal resolution, has the potential to overcome critical limitations of standard acquisition strategies for obtaining high-resolution whole brain perfusion imaging using arterial spin labeling (ASL). However, the ...

journal_title：NeuroImage

authors： Li X,Wang D,Auerbach EJ,Moeller S,Ugurbil K,Metzger GJ

更新日期：2015-02-01 00:00:00

abstract：:Magnetic resonance imaging (MRI) has become an established and invaluable tool in the diagnosis of numerous diseases through its ability to show pathologic contrast in images of soft tissue. More recently, MRI has found application in the study of organ function, principally in the brain and heart. This article deals ...

journal_title：NeuroImage

authors： Jezzard P,Song AW

更新日期：1996-12-01 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：:The processing of motion changes throughout the visual hierarchy, from spatially restricted 'local motion' in early visual cortex to more complex large-field 'global motion' at later stages. Here we used functional magnetic resonance imaging (fMRI) to examine spatially selective responses in these areas related to the...

journal_title：NeuroImage

authors： Hughes AE,Greenwood JA,Finlayson NJ,Schwarzkopf DS

更新日期：2019-10-01 00:00:00

abstract：:Habituation enables the organism to attend selectively to novel stimuli by diminishing no-longer necessary responses to repeated stimuli. Because the prefrontal cortex (PFC) has a core role in monitoring attention and behavioral control especially under novelty, neural habituation responses may be modified in drug add...

journal_title：NeuroImage

authors： Goldstein RZ,Tomasi D,Alia-Klein N,Zhang L,Telang F,Volkow ND

更新日期：2007-03-01 00:00:00

abstract：:Multiple sclerosis (MS) is an inflammatory, demyelinating and neurodegenerative disease of the central nervous system (CNS). Despite progress in understanding immunogenetic aspects of this disease, the mechanisms involved in lesion formation are unknown. To gain new insights into the neuropathology of MS, we used an i...

journal_title：NeuroImage

authors： Heraud P,Caine S,Campanale N,Karnezis T,McNaughton D,Wood BR,Tobin MJ,Bernard CC

更新日期：2010-01-15 00:00:00

abstract：:Friston et al. (1995, NeuroImage 2:45-53) presented a method for detecting activations in fMRI time-series based on the general linear model and a heuristic analysis of the effective degrees of freedom. In this communication we present corrected results that replace those of the previous paper and solve the same probl...

journal_title：NeuroImage

authors： Worsley KJ,Friston KJ

更新日期：1995-09-01 00:00:00

abstract：:The 1990s were designated "The Decade of the Brain" by U.S. Congress, perhaps in great anticipation of the impact that functional neuroimaging techniques would have on advancing our understanding of how the brain is functionally organized. While it is impossible to overestimate the impact of functional MRI in neurosci...

journal_title：NeuroImage

authors： Silva AC

更新日期：2012-08-15 00:00:00

abstract：:One of the most compelling challenges for modern neuroscience is the influence of awareness on behavior. We studied prefrontal correlates of conscious and subconscious motor adjustments to changing auditory rhythms using regional cerebral blood flow measurements. At a subconscious level, movement adjustments were perf...

journal_title：NeuroImage

authors： Stephan KM,Thaut MH,Wunderlich G,Schicks W,Tian B,Tellmann L,Schmitz T,Herzog H,McIntosh GC,Seitz RJ,Hömberg V

更新日期：2002-02-01 00:00:00

abstract：:Clinical and preclinical evidence suggests anxiolytic-like efficacy of pregabalin (PGB, Lyrica). However, its mechanism of action remains under investigation. The current study applied [(14)C]-iodoantipyrine cerebral blood flow (CBF) mapping to examine the effect of PGB on neural substrates underlying unconditioned fe...

journal_title：NeuroImage

authors： Wang Z,Pang RD,Hernandez M,Ocampo MA,Holschneider DP

更新日期：2012-02-15 00:00:00

abstract：:While the precise role of the anterior cingulate cortex (ACC) is still being discussed, it has been suggested that ACC activity might reflect the amount of mental effort associated with cognitive processing. So far, not much is known about the temporal dynamics of ACC activity in effort-related decision making or audi...

journal_title：NeuroImage

authors： Mulert C,Seifert C,Leicht G,Kirsch V,Ertl M,Karch S,Moosmann M,Lutz J,Möller HJ,Hegerl U,Pogarell O,Jäger L

更新日期：2008-08-01 00:00:00