Search Results - "da Silva, F. Lopes"

Mu rhythm (de)synchronization and EEG single-trial classification of different motor imagery tasks by Pfurtscheller, G., Brunner, C., Schlögl, A., Lopes da Silva, F.H.

“…We studied the reactivity of EEG rhythms (mu rhythms) in association with the imagination of right hand, left hand, foot, and tongue movement with 60 EEG…”
Get full text

Beta rebound after different types of motor imagery in man by Pfurtscheller, G., Neuper, C., Brunner, C., da Silva, F. Lopes

“…We investigated the behavior of short-lasting beta bursts (beta rebound, beta ERS) induced after imagination of hand, foot or tongue movement. Nine able-bodied…”
Get full text

Brain (Hyper)Excitability Revealed by Optimal Electrical Stimulation of GABAergic Interneurons by Wendling, F, Gerber, U, Cosandier-Rimele, D, Nica, A, De Montigny, J, Raineteau, O, Kalitzin, S, Lopes da Silva, F, Benquet, P

“…Highlights • We combined computational, in vivo , in vitro and clinical data to analyse local field potential (LFP) responses to extracellular local bipolar…”
Get full text

Interactions between different EEG frequency bands and their effect on alpha–fMRI correlations by de Munck, J.C., Gonçalves, S.I., Mammoliti, R., Heethaar, R.M., Lopes da Silva, F.H.

“…In EEG/fMRI correlation studies it is common to consider the fMRI BOLD as filtered version of the EEG alpha power. Here the question is addressed whether other…”
Get full text

The hemodynamic response of the alpha rhythm: An EEG/fMRI study by de Munck, J.C., Gonçalves, S.I., Huijboom, L., Kuijer, J.P.A., Pouwels, P.J.W., Heethaar, R.M., Lopes da Silva, F.H.

“…EEG was recorded during fMRI scanning of 16 normal controls in resting condition with eyes closed. Time variations of the occipital alpha band amplitudes were…”
Get full text

Gene expression profile analysis of epilepsy-associated gangliogliomas by Aronica, E, Boer, K, Becker, A, Redeker, S, Spliet, W.G.M, van Rijen, P.C, Wittink, F, Breit, T, Wadman, W.J, Lopes da Silva, F.H, Troost, D, Gorter, J.A

“…Abstract Gangliogliomas (GG) constitute the most frequent tumor entity in young patients undergoing surgery for intractable epilepsy. The histological…”
Get full text

Electrical brain-stimulation paradigm for estimating the seizure onset site and the time to ictal transition in temporal lobe epilepsy by Kalitzin, S., Velis, D., Suffczynski, P., Parra, J., da Silva, F. Lopes

“…To explore and validate a novel stimulation and analysis paradigm proposed to monitor spatial distribution and temporal changes of the excitability state in…”
Get full text

A study of the brain's resting state based on alpha band power, heart rate and fMRI by de Munck, J.C., Gonçalves, S.I., Faes, Th.J.C., Kuijer, J.P.A., Pouwels, P.J.W., Heethaar, R.M., Lopes da Silva, F.H.

“…Considering that there are several theoretical reasons why fMRI data is correlated to variations in heart rate, these correlations are explored using…”
Get full text

Short-lived brain state after cued motor imagery in naive subjects by Pfurtscheller, G., Scherer, R., Müller-Putz, G. R., Lopes da Silva, F. H.

“…Multi‐channel electroencephalography recordings have shown that a visual cue, indicating right hand, left hand or foot motor imagery, can induce a short‐lived…”
Get full text

Gamma‐band phase clustering and photosensitivity: is there an underlying mechanism common to photosensitive epilepsy and visual perception? by Parra, J., Kalitzin, S. N., Iriarte, J., Blanes, W., Velis, D. N., Lopes da Silva, F. H.

“…Photosensitive epilepsy (PSE) is the most common form of human reflex epilepsy, appearing in up to 10% of epileptic children. It also offers a highly…”
Get full text

Interaction of nucleus reuniens and entorhinal cortex projections in hippocampal field CA1 of the rat by Dolleman-van der Weel, M. J., Lopes da Silva, F. H., Witter, M. P.

“…The nucleus reuniens (RE) and entorhinal cortex (EC) provide monosynaptic excitatory inputs to the apical dendrites of pyramidal cells and to interneurons with…”
Get full text

Verbal memory decline after temporal epilepsy surgery? : A 6-year multiple assessments follow-up study by ALPHERTS, W. C. J, VERMEULEN, J, VAN RIJEN, P. C, LOPES DA SILVA, F. H, VAN VEELEN, C. W. M

“…To assess the long-term effects of temporal lobe epilepsy surgery on verbal memory. We assessed verbal memory performance as measured by a verbal learning test…”
Get full text

Event-related EEG/MEG synchronization and desynchronization : basic principles by PFURTSCHELLER, G, LOPES DA SILVA, F. H

“…An internally or externally paced event results not only in the generation of an event-related potential (ERP) but also in a change in the ongoing EEG/MEG in…”
Get full text

Computational model prospective on the observation of proictal states in epileptic neuronal systems by Kalitzin, Stiliyan, Koppert, Marcus, Petkov, George, Velis, Demetrios, da Silva, F. Lopes

“…Abstract Epilepsy is a pathological condition of the human central nervous system in which normal brain functions are impaired by unexpected transitions to…”
Get full text

Enhancement of phase clustering in the EEG/MEG gamma frequency band anticipates transitions to paroxysmal epileptiform activity in epileptic patients with known visual sensitivity by Kalitzin, S., Parra, J., Velis, D.N., Lopes da Silva, F.H.

“…A new analytical method for quantifying brain activity from magnetoelectroencephalogram (MEG) and electroencephalogram (EEG) recordings during periodic light…”
Get full text

Nucleus Reuniens Thalami Modulates Activity in Hippocampal Field CA1 through Excitatory and Inhibitory Mechanisms by Dolleman-Van der Weel, M. J, Lopes da Silva, F. H, Witter, M. P

“…The nucleus reuniens thalami (RE) originates dense projections to CA1, forming asymmetrical synapses on spines (50%) and dendrites (50%). The hypothesis that…”
Get full text

Correlating the alpha rhythm to BOLD using simultaneous EEG/fMRI: Inter-subject variability by Gonçalves, S.I., de Munck, J.C., Pouwels, P.J.W., Schoonhoven, R., Kuijer, J.P.A., Maurits, N.M., Hoogduin, J.M., Van Someren, E.J.W., Heethaar, R.M., Lopes da Silva, F.H.

“…Simultaneous recording of electroencephalogram/functional magnetic resonance images (EEG/fMRI) was applied to identify blood oxygenation level-dependent (BOLD)…”
Get full text

Dynamics of non-convulsive epileptic phenomena modeled by a bistable neuronal network by Suffczynski, P., Kalitzin, S., Lopes Da Silva, F.H.

“…It is currently believed that the mechanisms underlying spindle oscillations are related to those that generate spike and wave (SW) discharges. The mechanisms…”
Get full text

In vivo measurement of the brain and skull resistivities using an EIT-based method and realistic models for the head by Goncalves, S.I., de Munck, J.C., Verbunt, J.P.A., Bijma, F., Heethaar, R.M., Lopes da Silva, F.

“…In vivo measurements of equivalent resistivities of skull (/spl rho//sub skull/) and brain (/spl rho//sub brain/) are performed for six subjects using an…”
Get full text

Perirhinal cortex input to the hippocampus in the rat: evidence for parallel pathways, both direct and indirect. A combined physiological and anatomical study by Naber, P. A., Witter, M. P., Da Silva, F. H. Lopes

“…The possibility of a direct projection from the perirhinal cortex (PER) to areas CA1 and subiculum (SUB) in the hippocampus has been suggested on the basis of…”
Get full text