Entropy analyses of spatiotemporal synchronizations in brain signals from patients with focal epilepsies

Details Entropy analyses of spatiotemporal synchronizations in brain signals from patients with focal epilepsies Entropy analyses of spatiotemporal synchronizations in brain signals from patients with focal epilepsies

2010-02-18

arxiv.org/abs/1002.3552v1

Physics

Biological Physics

30 pages 25 figures

Scientific paper

The electroencephalographic (EEG) data intracerebrally recorded from 20 epileptic humans with different brain origins of focal epilepsies or types of seizures, ages and sexes are investigated (nearly 700 million data). Multi channel univariate amplitude analyses are performed and it is shown that time dependent Shannon entropies can be used to predict focal epileptic seizure onsets in different epileptogenic brain zones of different patients. Formations or time evolutions of the synchronizations in the brain signals from epileptogenic or non epileptogenic areas of the patients in ictal interval or inter-ictal interval are further investigated employing spatial or temporal differences of the entropies.

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