Rosanna Esteller

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This study aims to determine whether there are any statistically significant effects in the intracranial EEG signal due to brain electrical stimulation that can be quantified by comparing the line length value computed in windows positioned before and after stimulated abnormal events versus windows before and after non-stimulated abnormal events. The line(More)
A graphical and analytical description of epileptic seizures based on amplitude modulation and frequency modulation components of intracranial EEG (iEEG) is proposed. This representation allows the characterization of seizures and their different stages from the iEEG by means of triangles whose vertexes are the centroids (cm) of the signal during preictal,(More)
The objective of this study is to (1) develop and apply efficient algorithms to simultaneous intracranial electroencephalographic signals recorded from multiple implanted electrode sites to evaluate the spatial and temporal behavior of seizure precursors and (2) to demonstrate the utility of multiple feature and channel synergy for predicting epileptic(More)
BACKGROUND Previous studies have shown that closed-loop or responsive neurostimulation can abort induced or spontaneous epileptiform discharges. OBJECTIVE To assess the effectiveness of a programmable cranially implanted closed-loop neurostimulation system in the control of seizures originating from an area relatively inaccessible by open craniotomy. (More)
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