Correlation-dimension and autocorrelation fluctuations in epileptic seizure dynamics

Y C  Lai; I  Osorio; M A F  Harrison; M G  Frei; Ying-Cheng Lai

doi:10.1103/PhysRevE.65.031921

Correlation-dimension and autocorrelation fluctuations in epileptic seizure dynamics

Y C Lai, I Osorio, M A F Harrison, M G Frei, Ying-Cheng Lai

Physics

Research output: Contribution to journal › Article › peer-review

30 Citations (Scopus)

Abstract

We focus on an anomalous scaling region in correlation integral [C(epsilon)] analysis of electrocorticogram in epilepsy patients. We find that epileptic seizures typically are accompanied by wide fluctuations in the slope of this scaling region. An explanation, based on analyzing the interplay between the autocorrelation and C(epsilon), is provided for these fluctuations. This anomalous slope appears to be a sensitive measure for tracking (but not predicting) seizures.

Original language	English
Article number	031921
Pages (from-to)	-
Number of pages	5
Journal	Physical Review. E, Statistical, Nonlinear and Soft Matter Physics
Volume	65
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevE.65.031921
Publication status	Published - Mar 2002

Keywords

CHAOTIC TIME-SERIES
BRAIN ELECTRICAL-ACTIVITY
HUMAN ELECTROENCEPHALOGRAM
CORRELATION INTEGRALS
PREDICTION
COMPLEXITY
ONSET

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10.1103/PhysRevE.65.031921

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abstract = "We focus on an anomalous scaling region in correlation integral [C(epsilon)] analysis of electrocorticogram in epilepsy patients. We find that epileptic seizures typically are accompanied by wide fluctuations in the slope of this scaling region. An explanation, based on analyzing the interplay between the autocorrelation and C(epsilon), is provided for these fluctuations. This anomalous slope appears to be a sensitive measure for tracking (but not predicting) seizures.",

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AU - Osorio, I

AU - Harrison, M A F

AU - Frei, M G

AU - Lai, Ying-Cheng

PY - 2002/3

Y1 - 2002/3

N2 - We focus on an anomalous scaling region in correlation integral [C(epsilon)] analysis of electrocorticogram in epilepsy patients. We find that epileptic seizures typically are accompanied by wide fluctuations in the slope of this scaling region. An explanation, based on analyzing the interplay between the autocorrelation and C(epsilon), is provided for these fluctuations. This anomalous slope appears to be a sensitive measure for tracking (but not predicting) seizures.

AB - We focus on an anomalous scaling region in correlation integral [C(epsilon)] analysis of electrocorticogram in epilepsy patients. We find that epileptic seizures typically are accompanied by wide fluctuations in the slope of this scaling region. An explanation, based on analyzing the interplay between the autocorrelation and C(epsilon), is provided for these fluctuations. This anomalous slope appears to be a sensitive measure for tracking (but not predicting) seizures.

KW - CHAOTIC TIME-SERIES

KW - BRAIN ELECTRICAL-ACTIVITY

KW - HUMAN ELECTROENCEPHALOGRAM

KW - CORRELATION INTEGRALS

KW - PREDICTION

KW - COMPLEXITY

KW - ONSET

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DO - 10.1103/PhysRevE.65.031921

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JO - Physical Review. E, Statistical, Nonlinear and Soft Matter Physics

JF - Physical Review. E, Statistical, Nonlinear and Soft Matter Physics

IS - 3

M1 - 031921

ER -

Correlation-dimension and autocorrelation fluctuations in epileptic seizure dynamics

Abstract

Keywords

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