Forbidden ordinal patterns of periictal intracranial EEG indicate deterministic dynamics in human epileptic seizures
نویسندگان
چکیده
منابع مشابه
Ordinal patterns in epileptic brains: Analysis of intracranial EEG and simultaneous EEG-fMRI
Epileptic seizures are associated with high behavioral stereotypy of the patients. In the EEG of epilepsy patients characteristic signal patterns can be found during and between seizures. Here we use ordinal patterns to analyze EEGs of epilepsy patients and quantify the degree of signal determinism. Besides relative signal redundancy and the fraction of forbidden patterns we introduce the fract...
متن کاملForbidden ordinal patterns in higher dimensional dynamics
Forbidden ordinal patterns are ordinal patterns (or ‘rank blocks’) that cannot appear in the orbits generated by a map taking values on a linearly ordered space, in which case we say that the map has forbidden patterns. Once a map has a forbidden pattern of a given length L0, it has forbidden patterns of any length L ≥ L0 and their number grows superexponentially with L. Using recent results on...
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Epilepsy is the most common brain diseases that cause many problems in the daily life of the patient. In most attempts to automatic detection, the attack used an EEG. In this paper, The complete data set consists of five sets recorded from normal and epileptic patients. Each set containing 100 single-channel EEG segments. Here we used first and last sets (A and E). Set A consisted of segments r...
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Epilepsy is often called a window to the brain because it offers a unique opportunity for scientists to study and understand the function of the circuitry of the human brain during a fairly well defined and relatively simpler state, the epileptic seizure. We have previously shown that electrical activity recorded from cerebral cortex and generated by human epileptogenic foci exhibits certain ma...
متن کاملTermination patterns of complex partial seizures: An intracranial EEG study
PURPOSE While seizure onset patterns have been the subject of many reports, there have been few studies of seizure termination. In this study we report the incidence of synchronous and asynchronous termination patterns of partial seizures recorded with intracranial arrays. METHODS Data were collected from patients with intractable complex partial seizures undergoing presurgical evaluations wi...
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ژورنال
عنوان ژورنال: Epilepsia
سال: 2011
ISSN: 0013-9580
DOI: 10.1111/j.1528-1167.2011.03202.x