Determination of information flow direction among brain structures by a modified directed transfer function (dDTF) method

被引：286

作者：

Korzeniewska, A

Manczak, M

Kaminski, M

Blinowska, KJ

Kasicki, S

机构：

[1] Polish Acad Sci, M Nencki Inst Expt Biol, Dept Neurophysiol, PL-02093 Warsaw, Poland

[2] Warsaw Univ, Lab Med Phys, PL-00691 Warsaw, Poland

来源：

JOURNAL OF NEUROSCIENCE METHODS | 2003年 / 125卷 / 1-2期

关键词：

direct information flow; directed transfer function method (DTF); multichannel autoregressive model; EEG propagation; causal relations between structures; brain rhythms;

D O I：

10.1016/S0165-0270(03)00052-9

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A modification of directed transfer function-direct DTF-is proposed for the analysis of direct information transfer among brain structures on the basis of local field potentials (LFP). Comparison of results obtained by the analysis of simulated and experimental data with a new dDTF and DTF method is shown. A new measure to estimate direct causal relations between signals is defined. The present results demonstrate the effectiveness of the new dDTF method and indicate that the dDTF method can be used to obtain the reliable patterns of connections between various brain structures. (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：195 / 207

页数：13

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