Cognitive Bias by Gender Interaction on N170 Response to Emotional Facial Expressions in Major and Minor Depression.

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：:Frontal lobe epilepsy has recently been associated with disrupted brain functional connectivity; variations among various resting-state networks (RSNs) across time remains largely unclear. This study applied dynamic functional network connectivity (dFNC) analysis to investigate functional patterns in the temporal and ...

journal_title：Brain topography

authors： Klugah-Brown B,Luo C,He H,Jiang S,Armah GK,Wu Y,Li J,Yin W,Yao D

更新日期：2019-05-01 00:00:00

abstract：:We applied the following methods to resting-state EEG data from patients with disorders of consciousness (DOC) for consciousness indexing and outcome prediction: microstates, entropy (i.e. approximate, permutation), power in alpha and delta frequency bands, and connectivity (i.e. weighted symbolic mutual information, ...

journal_title：Brain topography

authors： Stefan S,Schorr B,Lopez-Rolon A,Kolassa IT,Shock JP,Rosenfelder M,Heck S,Bender A

更新日期：2018-09-01 00:00:00

abstract：:Action generation relies on a widely distributed network of brain areas. However, little is known about the spatiotemporal dynamics of neuronal activity in the network that gives rise to voluntary action in humans. Here, we used magnetoencephalography (MEG) and source analysis (n = 15, 7 female subjects) to investigat...

journal_title：Brain topography

authors： Carl C,Hipp JF,König P,Engel AK

更新日期：2016-01-01 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

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 high temporal resolution of EEG/MEG data offers a way to improve source reconstruction estimates which provide insight into the spatio-temporal involvement of neuronal sources in the human brain. In this work, we investigated the performance of spatio-temporal regularization (STR) in a current density approach usi...

journal_title：Brain topography

authors： Dannhauer M,Lämmel E,Wolters CH,Knösche TR

更新日期：2013-04-01 00:00:00

abstract：:We trained four right-handed male subjects to detect small changes in the frequency of 21 Hz electrical stimulation applied to digits 2+3+4 of the right hand for 4 hours. Before and after the training, we recorded magnetoencephalographic (MEG) signals when the stimulation was applied to digit 2-5 separately using a wh...

journal_title：Brain topography

authors： Liu L,Ioannides AA

更新日期：2004-07-01 00:00:00

abstract：:Recent brain imaging studies suggest that semantic processing of words and images may share a common neural network, although modality-specific activation can also be observed. Other studies using event-related potentials (ERPs) report that brain responses to words and images may already differ at approximately 150 ms...

journal_title：Brain topography

authors： Khateb A,Pegna AJ,Michel CM,Landis T,Annoni JM

更新日期：2002-04-01 00:00:00

abstract：:Pain perception in the brain can be analyzed by neuroimaging (PET, fMRI) and electrophysiological parameter mapping (EEG, ERP/MEG, MEF). These studies have generally been focused on the localization of cerebral activation. Whether pain can be conceptualized as localized function or best be understood by distributed fu...

journal_title：Brain topography

authors： Chen AC,Rappelsberger P,Filz O

更新日期：1998-01-01 00:00:00

abstract：:The topography of the visual evoked magnetic response (VEMR) to pattern reversal stimulation was studied in four normal subjects using a single channel BTI magnetometer. VEMRs were recorded from 20 locations over the occipital scalp and the topographic distribution of the most consistent component (P100M) studied. A s...

journal_title：Brain topography

authors： Harding GF,Janday B,Armstrong RA

更新日期：1991-10-01 00:00:00

abstract：:Multiresolution analysis is a potentially useful tool to enhance the brain's electrical fields (spatial distributions of event-related potentials (ERP)), and to bring out spatial features which may not be seen in the fields before enhancement. For comparing different images (slices from ERP of different subjects or fr...

journal_title：Brain topography

authors： Wang K,Begleiter H,Porjesz B

更新日期：1998-04-01 00:00:00

abstract：:Mismatch negativity (MMN) and P300 to auditory stimuli was carried out using global field power (GFP) in 25 schizophrenics and 25 normal controls. The peak latencies of MMN and P300 were significantly longer in schizophrenics than in normal controls, and the differences in MMN were marked in the frontal regions. The p...

journal_title：Brain topography

authors： Shutara Y,Koga Y,Fujita K,Takeuchi H,Mochida M,Takemasa K

更新日期：1996-04-01 00:00:00

abstract：:A key question in neuroscience is how memory is selectively allocated to neural networks in the brain. This question remains a significant research challenge, in both rodent models and humans alike, because of the inherent difficulty in tracking and deciphering large, highly dimensional neuronal ensembles that support...

journal_title：Brain topography

authors： Bergstrom HC,McDonald CG,Dey S,Fernandez GM,Johnson LR

更新日期：2013-07-01 00:00:00

abstract：:Several fMRI studies have been performed to detect the neural correlates of stable bimanual coordination patterns in humans. Only few of those studies were accompanied by the on-line recording of the relative phase of fingers or hands, but none with high space and time resolutions. Conversely, the high-resolution reco...

journal_title：Brain topography

authors： De Luca C,Comani S,Di Donato L,Caulo M,Bertollo M,Romani GL

更新日期：2007-04-01 00:00:00

abstract：:Task-irrelevant information is constantly present in our environment and may interfere with the processing of the information necessary to achieve goal-directed behavior. While task goals determine which information must be suppressed, the demand for inhibitory control depends on the strength of the interference induc...

journal_title：Brain topography

authors： Chouiter L,Dieguez S,Annoni JM,Spierer L

更新日期：2014-03-01 00:00:00

abstract：:Magnetoencephalography provides precise information about the temporal dynamics of brain activation and is an ideal tool for investigating rapid cognitive processing. However, in many cognitive paradigms visual stimuli are used, which evoke strong brain responses (typically 40-100 nAm in V1) that may impede the detect...

journal_title：Brain topography

authors： Mills T,Lalancette M,Moses SN,Taylor MJ,Quraan MA

更新日期：2012-07-01 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：:The objectives of this study were to examine the association of stride time variability (STV) with gray and white matter volumes in healthy older adults, and to determine the specific location of any parenchymal loss associated with higher STV. A total of 71 participants (mean age 69.0 ± 0.8 years; 59.7 % female) were...

journal_title：Brain topography

authors： Beauchet O,Annweiler C,Celle S,Bartha R,Barthélémy JC,Roche F

更新日期：2014-03-01 00:00:00

abstract：:This study aimed to finding modality-independent event-related potentials (ERP) modulations related to spatial attention by minimising several possible methodological constrains which may account for the rareness of this finding in past spatial attention ERP research. ERP were recorded while subjects performed a shift...

journal_title：Brain topography

authors： Martin-Loeches M,Barceló F,Rubia FJ

更新日期：1997-10-01 00:00:00

abstract：:We studied the magnetic field maps generated by six dipoles in the temporal region of a plastic skull filled with conducting gel. The data were processed with two mathematical models. One, using Biot-Savart's law, considered only the magnetic field generated by a localized current dipole, and the other considered a di...

journal_title：Brain topography

authors： Rose DF,Ducla-Soares E,Sato S

更新日期：1989-04-01 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：:In an earlier experiment, we have used the BTi twin MAGNES system (2 x 37 channels) to record the evoked magnetic field from five healthy right-handed male volunteers using two tasks: visual recognition of complex objects including faces and facial expressions of emotion. We have repeated the experiment with one of th...

journal_title：Brain topography

authors： Liu L,Ioannides AA,Streit M

更新日期：1999-07-01 00:00:00

abstract：:The accuracy and precision of topographic maps depicting scalp potentials and scalp potentials squared have been examined. Electrode placement was that specified by the International 10-20 System and the methods of interpolation bilinear and bicubic spines. The results indicate that, for these interpolation methods, t...

journal_title：Brain topography

authors： Koles ZJ,Paranjape RB

更新日期：1988-01-01 00:00:00

abstract：:Emotionally arousing events can distort our sense of time. We used mixed block/event-related fMRI design to establish the neural basis for this effect. Nineteen participants were asked to judge whether angry, happy and neutral facial expressions that varied in duration (from 400 to 1,600 ms) were closer in duration to...

journal_title：Brain topography

authors： Tipples J,Brattan V,Johnston P

更新日期：2015-01-01 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：:Event-related potentials (ERPs) during a visual oddball paradigm with button-pressing responses were recorded in 12 right-handed subjects from 32 scalp electrodes. The single equivalent current dipole (ECD) of the target C1 (weak occipito-parietal negativity from 30-80 ms) was consistently located at the primary visua...

journal_title：Brain topography

authors： Yamazaki T,Kamijo K,Kenmochi A,Fukuzumi S,Kiyuna T,Takaki Y,Kuroiwa Y

更新日期：2000-04-01 00:00:00

abstract：:The term "magnetic source image" (MSI) describes the distribution of neuronal activity in the brain that can be deduced from measurements of the field pattern it produces across the scalp. The signals which provide the basis for an MSI are obtained from the magnetoencephalogram (MEG) which is conventionally recorded w...

journal_title：Brain topography

authors： Williamson SJ,Lü ZL,Karron D,Kaufman L

更新日期：1991-01-01 00:00:00

abstract：:Posterior cortical atrophy (PCA), considered a visual variant of Alzheimer's disease, has similar pathological characteristics yet shows a selective visual manifestation with relative preservation of other cortical areas, at least at early stages of disease. Using a gamut of imaging methods, we aim to evaluate the glo...

journal_title：Brain topography

authors： Glick-Shames H,Keadan T,Backner Y,Bick A,Levin N

更新日期：2020-09-01 00:00:00

abstract：:Spontaneous EEG signal can be parsed into sub-second periods of stable functional states (microstates) that assumingly correspond to brief large scale synchronization events. In schizophrenia, a specific class of microstate (class "D") has been found to be shorter than in healthy controls and to be correlated with pos...

journal_title：Brain topography

authors： Diaz Hernandez L,Rieger K,Baenninger A,Brandeis D,Koenig T

更新日期：2016-03-01 00:00:00