Estimation of Cortical Connectivity From EEG Using State-Space Models

A state-space formulation is introduced for estimating multivariate autoregressive (MVAR) models of cortical connectivity from noisy, scalp-recorded EEG. A state equation represents the MVAR model of cortical dynamics, while an observation equation describes the physics relating the cortical signals...

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Veröffentlicht in:	IEEE transactions on biomedical engineering Jg. 57; H. 9; S. 2122 - 2134
Hauptverfasser:	Cheung, Bing Leung Patrick, Riedner, Brady Alexander, Tononi, Giulio, Van Veen, Barry D.
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	New York, NY IEEE 01.09.2010 Institute of Electrical and Electronics Engineers The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Schlagworte:	Algorithms Analytical models Biological and medical sciences Brain modeling Cerebral Cortex - physiology Computer Simulation Computerized, statistical medical data processing and models in biomedicine Covariance matrix Economic models Effective connectivity Electrodiagnosis. Electric activity recording Electroencephalography Electroencephalography - methods Equations expectation-maximization (EM) algorithm Expectation-maximization algorithms Fundamental and applied biological sciences. Psychology General aspects. Models. Methods Granger causality Humans Integrated approach Investigative techniques, diagnostic techniques (general aspects) Medical management aid. Diagnosis aid Medical sciences Models, Neurological Multivariate Analysis multivariate autoregressive (MVAR) models Nervous system Noise Noise measurement Physics Regression Analysis Signal analysis Signal Processing, Computer-Assisted Spatial distribution State estimation state-space models Studies Vertebrates: nervous system and sense organs Human expectation-maximization (EM) algorithm Multivariate process Cerebral cortex Central nervous system Electrophysiology Electroencephalography Autoregressive model state-space models State space method Modeling Encephalon multivariate autoregressive (MVAR) models Connectedness Causality EM algorithm Granger causality Biomedical engineering Effective connectivity
ISSN:	0018-9294, 1558-2531, 1558-2531
Online-Zugang:	Volltext
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