Mismatch negativity with visual-only and audiovisual speech.

abstract：:The purpose of this study is to develop and quantitatively assess whether fusion of EEG and MEG (MEEG) data within the maximum entropy on the mean (MEM) framework increases the spatial accuracy of source localization, by yielding better recovery of the spatial extent and propagation pathway of the underlying generator...

journal_title：Brain topography

authors： Chowdhury RA,Zerouali Y,Hedrich T,Heers M,Kobayashi E,Lina JM,Grova C

更新日期：2015-11-01 00:00:00

abstract：:When evoked responses are used in clinical practice and research the measures that are most commonly considered are the latencies and amplitudes of EP components as measured at a single electrode site. Our recent studies have shown that multichannel recordings yield measures such as potential field asymmetry that may ...

journal_title：Brain topography

authors： Sidman RD,Ford MR,Ramsey G

更新日期：1994-04-01 00:00:00

abstract：:Although auditory information is processed in several subcortical nuclei, most fMRI studies focus solely on the auditory cortex and do not take brainstem responses into account. One common difficulty in obtaining clear functional brainstem recordings is due to heartbeat related motion, manifested in the rostro-caudal ...

journal_title：Brain topography

authors： Slabu LM

更新日期：2010-09-01 00:00:00

abstract：:Multisensory processes include the capacity to combine information from the different senses, often improving stimulus representations and behavior. The extent to which multisensory processes are an innate capacity or instead require experience with environmental stimuli remains debated. We addressed this knowledge ga...

journal_title：Brain topography

authors： Maitre NL,Key AP,Slaughter JC,Yoder PJ,Neel ML,Richard C,Wallace MT,Murray MM

更新日期：2020-09-01 00:00:00

abstract：:It is well known that, following an early visual deprivation, the neural network involved in processing auditory spatial information undergoes a profound reorganization. In particular, several studies have demonstrated an extensive activation of occipital brain areas, usually regarded as essentially "visual", when ear...

journal_title：Brain topography

authors： Collignon O,Davare M,Olivier E,De Volder AG

更新日期：2009-05-01 00:00:00

abstract：:While several studies have investigated interactions between the electroencephalography (EEG) and functional magnetic resonance imaging BOLD signal fluctuations, less is known about the associations between EEG oscillations and baseline brain haemodynamics, and few studies have examined the link between EEG power outs...

journal_title：Brain topography

authors： O'Gorman RL,Poil SS,Brandeis D,Klaver P,Bollmann S,Ghisleni C,Lüchinger R,Martin E,Shankaranarayanan A,Alsop DC,Michels L

更新日期：2013-07-01 00:00:00

abstract：:The neurobiological basis and temporal dynamics of communicative language processing pose important yet unresolved questions. It has previously been suggested that comprehension of the communicative function of an utterance, i.e. the so-called speech act, is supported by an ensemble of neural networks, comprising lexi...

journal_title：Brain topography

authors： Egorova N,Pulvermüller F,Shtyrov Y

更新日期：2014-05-01 00:00:00

abstract：:During active movement the somatosensory cortical responses are often attenuated. This attenuation is referred to as movement-related sensory gating. It is well known that patients with multiple sclerosis (MS) have sensory processing deficits, and recent work has also suggested that these patients display impaired mot...

journal_title：Brain topography

authors： Arpin DJ,Gehringer JE,Wilson TW,Kurz MJ

更新日期：2018-07-01 00:00:00

abstract：:We process information from the world through multiple senses, and the brain must decide what information belongs together and what information should be segregated. One challenge in studying such multisensory integration is how to quantify the multisensory interactions, a challenge that is amplified by the host of me...

journal_title：Brain topography

authors： Stevenson RA,Ghose D,Fister JK,Sarko DK,Altieri NA,Nidiffer AR,Kurela LR,Siemann JK,James TW,Wallace MT

更新日期：2014-11-01 00:00:00

abstract：:Neural activity within the human brain produces electrical potentials that are transmitted through the various tissues of the head to the scalp. A three-dimensional finite difference model has been applied to simulate this process and used as the basis for an inverse model, wherein known potentials on the scalp are us...

journal_title：Brain topography

authors： Teubner MD,Nixon JB,Rasser PE,Bottema MJ,Clark CR

更新日期：2005-07-01 00:00:00

abstract：:The magnetoencephalography (MEG) signal was recorded while subjects watched a video containing separate blocks of affective and cognitive advertisements and recalled slides extracted from the video a day later. An earlier behavioural study using the same video material showed that the affective advertisements were bet...

journal_title：Brain topography

authors： Ioannides AA,Liu L,Theofilou D,Dammers J,Burne T,Ambler T,Rose S

更新日期：2000-10-01 00:00:00

abstract：:Intracortical microstimulation and single cell recordings in non-human primates showed that both, muscles and movements are represented in primary motor cortex (M1). This was also suggested in humans using electrophysiological and neuroimaging techniques. Transcranial magnetic stimulation (TMS) thus far was used to st...

journal_title：Brain topography

authors： Zartl M,Kapfer T,Muellbacher W

更新日期：2014-03-01 00:00:00

abstract：:Electrical dipoles oriented perpendicular to the cortical surface are the primary source of the scalp EEGs and MEGs. Thus, in particular, gyri and sulci structures on the cortical surface have a definite possibility to influence the EEGs and MEGs. This was examined by comparing the spatial power spectral density (PSD)...

journal_title：Brain topography

authors： Ramon C,Freeman WJ,Holmes M,Ishimaru A,Haueisen J,Schimpf PH,Rezvanian E

更新日期：2009-11-01 00:00:00

abstract：:In elderly patients presenting to an ambulatory practice with complaints of cognitive disturbance, early dementia must be differentiated from depression. The present paper describes the application of standard electroencephalography and evoked potential testing (EEG/EP) and computerized electroencephalography with evo...

journal_title：Brain topography

authors： Jordan SE,Nowacki R,Nuwer M

更新日期：1989-07-01 00:00:00

abstract：:Tourette syndrome (TS) is a neuropsychiatric disorder with childhood onset characterized by chronic motor and vocal tics; however, the current diagnosis of TS patients is subjective, as it is mainly assessed based on the parents' description alongside specific evaluations. The early and accurate diagnosis of TS based ...

journal_title：Brain topography

authors： Duan K,Wu Q,Liao Y,Si Y,Bore JC,Li F,Tao Q,Lin L,Lei W,Hu X,Yao D,Pei C,Zhang T,Huang L,Xu P

更新日期：2021-01-01 00:00:00

abstract：:The event-related responses of 18 individuals were recorded while they were listening to 3 music clips of 6 s duration which were repeated 30 times each. The music clips differed in the level of their complex structure, induced mood, musical tempo and prominent frequency. They were taken from Mozart's sonata (K. 448),...

journal_title：Brain topography

authors： Jausovec N,Habe K

更新日期：2003-01-01 00:00:00

abstract：:Despite genetic, morphological and experimental in vivo, data implying fixed abnormalities in patients with absence seizures, attempts to find highly consistent features in the 3-Hz spike-and-wave pattern recorded during sequential seizures from the same subject have been largely unsuccessful. We used a new data decom...

journal_title：Brain topography

authors： McKeown MJ,Humphries C,Iragui V,Sejnowski TJ

更新日期：1999-01-01 00:00:00

abstract：:Cross-frequency phase-amplitude coupling (PAC) in neuronal oscillations network plays an important functional role in large scale neuronal communication and neuronal encoding. In the present study, a novel approach named permutation mutual information (PMI) was applied in measuring PAC. It is derived from the permutat...

journal_title：Brain topography

authors： Cheng N,Li Q,Wang S,Wang R,Zhang T

更新日期：2018-03-01 00:00:00

abstract：:The growing interest in brain networks to study the brain's function in cognition and diseases has produced an increase in methods to extract these networks. Typically, each method yields a different network. Therefore, one may ask what the resulting networks represent. To address this issue we consider electrocortico...

journal_title：Brain topography

authors： Hebbink J,van Blooijs D,Huiskamp G,Leijten FSS,van Gils SA,Meijer HGE

更新日期：2019-05-01 00:00:00

abstract：:The evoked gamma-band activity is an event related rhythmic response which persists within the first 100 ms after the stimulus onset. It shows spectral peaks between 30 and 40 Hz in the auditory, between 45 and 55 Hz in the somatosensory and between 100 and 110 Hz in the visual system. After separation of the wide-ban...

journal_title：Brain topography

authors： Pantev C

更新日期：1995-07-01 00:00:00

abstract：:Functional near-infrared spectroscopy (fNIRS) has been proven reliable for investigation of low-level visual processing in both infants and adults. Similar investigation of fundamental auditory processes with fNIRS, however, remains only partially complete. Here we employed a systematic three-level validation approach...

journal_title：Brain topography

authors： Chen LC,Sandmann P,Thorne JD,Herrmann CS,Debener S

更新日期：2015-09-01 00:00:00

abstract：:In 148 patients with focal cerebral lesions the findings of EEG mapping, routine EEG and CT were compared. Regarding etiology 43 patients suffered from completed stroke (CS), 43 patients from transient ischemic attack (TIA), 33 patients had an intracerebral hemorrhage (ICH) and 29 an hemispheric tumor. In 37 patients ...

journal_title：Brain topography

authors： Logar C,Boswell M

更新日期：1991-07-01 00:00:00

abstract：:In this mapping study of the entire scalp area, the responses to flash (FL) and pattern reversal (PR) stimuli were studied in 34 normal subjects. The N70, P100, N135 and P180 were similar from both stimuli but with some differences in amplitude and latency, especially the variability of the latency of P100 from FL. A ...

journal_title：Brain topography

authors： Hughes JR,Kuruvilla A,Fino JJ

更新日期：1992-04-01 00:00:00

abstract：:Topographic mapping of brain electrical activity has become a commonly used method in the clinical as well as research laboratory. To enhance analytic power and accuracy, mapping applications often involve statistical paradigms for the detection of abnormality or difference. Because mapping studies involve many measur...

journal_title：Brain topography

authors： Duffy FH,Jones K,Bartels P,Albert M,McAnulty GB,Als H

更新日期：1990-10-01 00:00:00

abstract：:Temporal structure is ubiquitous in sensory signals, and the brain has been shown to robustly represent information about temporal structure in the phase of low frequency neural oscillations. In a related construct, the integration of information across the different senses has been proposed to be at least partly due ...

journal_title：Brain topography

authors： Simon DM,Wallace MT

更新日期：2017-09-01 00:00:00

abstract：:Detecting and discriminating subtle and rapid sound changes in the speech environment is a fundamental prerequisite of language processing, and deficits in this ability have frequently been observed in individuals with language-learning impairments (LLI). One approach to studying associations between dysfunctional aud...

journal_title：Brain topography

authors： Heim S,Choudhury N,Benasich AA

更新日期：2016-05-01 00:00:00

abstract：:Over the last 20 years, a body of techniques known as high resolution EEG has allowed precise estimation of cortical activity from non-invasive EEG measurements. The availability of cortical waveforms from non-invasive EEG recordings allows to have not only the level of activation within a single region of interest (R...

journal_title：Brain topography

authors： De Vico Fallani F,Astolfi L,Cincotti F,Mattia D,Tocci A,Marciani MG,Colosimo A,Salinari S,Gao S,Cichocki A,Babiloni F

更新日期：2007-04-01 00:00:00

abstract：:Automated structural magnetic resonance imaging (MRI) processing pipelines are gaining popularity for Alzheimer's disease (AD) research. They generate regional volumes, cortical thickness measures and other measures, which can be used as input for multivariate analysis. It is not clear which combination of measures an...

journal_title：Brain topography

authors： Westman E,Aguilar C,Muehlboeck JS,Simmons A

更新日期：2013-01-01 00:00:00

abstract：:Event related potentials (ERPs) to an auditory odd-ball paradigm were recorded with the linked earlobe reference (LER) and with a computer calculated average reference (AR), excluding the two linked earlobe derivations. The study was performed in 30 patients with lesions of frontal, parietal, occipital cortex, unilate...

journal_title：Brain topography

authors： Onofrj M,Fulgente T,Malatesta G,Locatelli T

更新日期：1994-07-01 00:00:00

abstract：:Early, middle and late latency somatosensory evoked potentials (SEPs) elicited by cutaneous electrical stimulation (painful vs. non-painful) of right and left hands were recorded. The aims were to study (1) if lifelong use of dominant right hand would result in different SEP topographies compared to non-dominant left ...

journal_title：Brain topography

authors： Niddam DM,Arendt-Nielsen L,Chen AC

更新日期：2000-01-01 00:00:00