MEG study of short-term plasticity following multiple digit frequency discrimination training in humans.

abstract：:Many meditation exercises aim at increased awareness of ongoing experiences through sustained attention and at detachment, i.e., non-engaging observation of these ongoing experiences by the intent not to analyze, judge or expect anything. Long-term meditation practice is believed to generalize the ability of increased...

journal_title：Brain topography

authors： Tei S,Faber PL,Lehmann D,Tsujiuchi T,Kumano H,Pascual-Marqui RD,Gianotti LR,Kochi K

更新日期：2009-11-01 00:00:00

abstract：:Metastability is currently considered a fundamental property of the functional configuration of brain networks. The present study sought to generate a normative reference framework for the metastability of the major resting-state networks (RSNs) (resting-state metastability dataset) and discover their association with...

journal_title：Brain topography

authors： Lee WH,Moser DA,Ing A,Doucet GE,Frangou S

更新日期：2019-01-01 00:00:00

abstract：:Facilitation and inhibition of return (IOR) are, respectively, faster and slower responses to a peripherally cued target. In a spatially uninformative peripheral cueing task, facilitation is normally observed when the interval between the cue and target stimulus, the stimulus onset asynchrony (SOA), is shorter than 25...

journal_title：Brain topography

authors： Tian Y,Klein RM,Satel J,Xu P,Yao D

更新日期：2011-06-01 00:00:00

abstract：:The present study examined whether the excitability of the corticospinal pathway and the GABA-mediated inhibitory circuits of the primary motor cortex that project onto the corticospinal neurons in the tonically contracting hand muscle are changed by tonic contraction of the adjacent hand muscle. The motor evoked pote...

journal_title：Brain topography

authors： Jono Y,Iwata Y,Mizusawa H,Hiraoka K

更新日期：2016-11-01 00:00:00

abstract：:Understanding the neural mechanisms of disorders of consciousness (DOC) is essential for estimating the conscious level and diagnosing DOC patients. Although previous studies reported brain functional connectivity (FC) and spontaneous neural activity patterns associated with consciousness, the relationship between the...

journal_title：Brain topography

authors： Wu X,Xie Q,Liu X,Huang H,Ma Q,Wang J,Zhong M,He Y,Niu C,Chen Y,Deng F,Ni X,He Y,Guo Y,Yu R,Huang R

更新日期：2019-05-01 00:00:00

abstract：:Motion artifacts are a well-known and frequent limitation during neuroimaging workup of cognitive decline. While head motion typically deteriorates image quality, we test the hypothesis that head motion differs systematically between healthy controls (HC), amnestic mild cognitive impairment (aMCI) and Alzheimer diseas...

journal_title：Brain topography

authors： Haller S,Monsch AU,Richiardi J,Barkhof F,Kressig RW,Radue EW

更新日期：2014-11-01 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：:Recent evidence suggests that type 2 diabetes (T2D) is associated with accelerated brain ageing, consistent with the observation of increased risk of cognitive impairment and dementia in affected individuals. Even non-diabetic individuals with impaired fasting plasma glucose (IFG) levels have shown increased cerebral ...

journal_title：Brain topography

authors： Shaw ME,Nettersheim J,Sachdev PS,Anstey KJ,Cherbuin N

更新日期：2017-05-01 00:00:00

abstract：:Previous studies showed that distinct components of higher cognitive processes like memorizing of words could be correlated with changes in different frequency bands of the human EEG. This study was designed in order to find out if 1) some frequency bands show power and coherence changes only due to the modality of pr...

journal_title：Brain topography

authors： Weiss S,Rappelsberger P

更新日期：1998-10-01 00:00:00

abstract：:The purpose of the present study was to investigate auditory stimulus feature processing and how neural generators might differ among the mismatch negativity (MMN) responses to intensity, frequency, and duration deviant stimuli. Data collected from 72 electrodes in twelve adult female subjects were analyzed. For each ...

journal_title：Brain topography

authors： Schairer KS,Gould HJ,Pousson MA

更新日期：2001-01-01 00:00:00

abstract：:Fibromyalgia (FM) is a chronic syndrome involving widespread pain of unclear pathophysiology. FM patients frequently complain about cognitive symptoms that interfere with their daily life activities. Several studies have reported attentional deficits and working memory impairment in FM patients. Nevertheless, the mech...

journal_title：Brain topography

authors： González-Villar AJ,Pidal-Miranda M,Arias M,Rodríguez-Salgado D,Carrillo-de-la-Peña MT

更新日期：2017-07-01 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：: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：:The neural correlate of anterograde amnesia in Wernicke-Korsakoff syndrome (WKS) is still debated. While the capacity to learn new information has been associated with integrity of the medial temporal lobe (MTL), previous studies indicated that the WKS is associated with diencephalic lesions, mainly in the mammillary ...

journal_title：Brain topography

authors： Nahum L,Pignat JM,Bouzerda-Wahlen A,Gabriel D,Liverani MC,Lazeyras F,Ptak R,Richiardi J,Haller S,Thorens G,Zullino DF,Guggisberg AG,Schnider A

更新日期：2015-09-01 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 scalp topography of the middle latency auditory evoked potential (MLAEP) Pa component following left and right ear click stimulation was investigated in 15 normal hearing and neurologically intact right-handed subjects. An unbiased reference was employed. The Pa component showed a broad voltage field that was reco...

journal_title：Brain topography

authors： Jacobson GP,Grayson AS

更新日期：1988-10-01 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：:Most of the studies in long-range apparent movement have been concerned with the psychophysical properties in central vision. However, apparent movement in peripheral vision is not clearly understood. This study focuses on the properties of the perception of apparent movement between central and peripheral vision. The...

journal_title：Brain topography

authors： Tsuda R,Ueno S

更新日期：1996-04-01 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：:The functional organization of cortical speech processing is thought to be hierarchical, increasing in complexity and proceeding from primary sensory areas centrifugally. The current study used the mismatch negativity (MMN) obtained with electrophysiology (EEG) to investigate the early latency period of visual speech ...

journal_title：Brain topography

authors： Ponton CW,Bernstein LE,Auer ET Jr

更新日期：2009-05-01 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：: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：:Topographical analysis of cerebral electrical activity was performed in 44 patients with hepatic encephalopathy. These patients were classified in 5 groups according to clinical criteria. Eight healthy subjects were used as a control group. All were studied in an awake, eyes closed, condition and some [Control Group (...

journal_title：Brain topography

authors： Sagalés T,Gimeno V,de la Calzada MD,Casellas F,Dolors Macià M,Villar Soriano M

更新日期：1990-04-01 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：:Reaction time (RT), the most common measure of CNS efficiency, shows intra- and inter-individual variability. This may be accounted for by hemispheric specialization, individual neuroanatomy, and transient functional fluctuations between trials. To explore RT on these three levels, ERPs were measured in a visual 4-cho...

journal_title：Brain topography

authors： Antonova I,van Swam C,Hubl D,Dierks T,Griskova-Bulanova I,Koenig T

更新日期：2016-07-01 00:00:00

abstract：:Motor dysfunction and recovery following stroke and rehabilitation are associated with primary motor cortex plasticity. To better track these effects we studied two patients with sub-acute sub-cortical stroke causing hemiparesis, who underwent an effective behavioral treatment termed Constraint Induced Movement Therap...

journal_title：Brain topography

authors： Stark A,Meiner Z,Lefkovitz R,Levin N

更新日期：2012-04-01 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：:Aging and sensorineural hearing loss are known to be involved in the development of chronic tinnitus. This study explores the structural changes of gray matter using surface base methods and focuses more specifically on changes in cortical thickness in 127 tinnitus patients. The linear relationships between cortical t...

journal_title：Brain topography

authors： Yoo HB,De Ridder D,Vanneste S

更新日期：2016-11-01 00:00:00

abstract：:The use of tracers is an important technique available for studying cerebral function. Changes in 'signal' are large, but as a result of its photon limited nature, the measurement of this signal is limited: spatially, temporally and in terms of accuracy. The most commonly used single photon (SPECT) system (as apposed ...

journal_title：Brain topography

authors： Todd-Pokropek AE

更新日期：1992-01-01 00:00:00

abstract：:Fronto-temporal areas process shared elements of speech and music. Improvisational psychodynamic music therapy (MT) utilizes verbal and musical reflection on emotions and images arising from clinical improvisation. Music listening is shifting frontal alpha asymmetries (FAA) in depression, and increases frontal midline...

journal_title：Brain topography

authors： Fachner J,Gold C,Erkkilä J

更新日期：2013-04-01 00:00:00