System Interpretation of Causality Measures in Frequency Domain Used in EEG Analysis

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F11%3A00182198" target="_blank" >RIV/68407700:21230/11:00182198 - isvavai.cz</a>
Result on the web
<a href="http://www.eurasip.org/Proceedings/Eusipco/Eusipco2011" target="_blank" >http://www.eurasip.org/Proceedings/Eusipco/Eusipco2011</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
System Interpretation of Causality Measures in Frequency Domain Used in EEG Analysis
Original language description
This paper suggests new measures for the evaluation of an absolute, ratio and relative causal relation in frequency domain in the context of multivariate autoregressive models. The idea is explained on four synoptic artificial data experiments. In each example, a model without causal connection is presented and then, a causal connection is added. The influence of this modification is analysed and interpreted in the scope of LTI digital filters. Using the proposed measures, a comparison of results of state-of-the-art frequency domain methods Generalized Partial Directed Coherence (GPDC) and Direct Directed Transfer Function (dDTF) is performed to evaluate their behavior. The concept is demonstrated on real EEG data of awake resting state of human brain.
Czech name
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Czech description
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Project
<a href="/en/project/GD102%2F08%2FH008" target="_blank" >GD102/08/H008: Analysis and modelling biomedical and speech signals</a><br>
Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)<br>S - Specificky vyzkum na vysokych skolach

Publication year
2011
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
19th European Signal Processing Conference (EUSIPCO 2011)
ISBN
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ISSN
2076-1465
e-ISSN
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Number of pages
5
Pages from-to
1539-1543
Publisher name
EURASIP
Place of publication
Herent
Event location
Barcelona
Event date
Aug 29, 2011
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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