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J. Haueisen, D. S. Tuch, C. Ramon, P.H. Schimpf, V. J. Wedeen, J. S. George, J.W. Belliveau. The influence of brain tissue anisotropy on human EEG and MEG. NeuroImage, 15(1):159-166, 2002.


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The influence of gray and white matter tissue anisotropy on the human electroencephalogram (EEG) and magnetoencephalogram (MEG) was examined with a high resolution finite element model of the head of an adult male subject. The conductivity tensor data for gray and white matter were estimated from magnetic resonance diffusion tensor imaging. Simulations were carried out with single dipoles or small extended sources in the cortical gray matter. The inclusion of anisotropic volume conduction in the brain was found to have a minor influence on the topology of EEG and MEG (and hence source localization). We found a major influence on the amplitude of EEG and MEG (and hence source strength estimation) due to the change in conductivity and the inclusion of anisotropy. We expect that inclusion of tissue anisotropy information will improve source estimation procedures


[ Adult ] [ Anisotropy ] [ Brain/*physiology ] [ Brain mapping ] [ *electroencephalography ] [ *finite element analysis ] [ Human ] [ *magnetoencephalography ] [ Male ] [ Reference values ] [ Signal processing ] [ Computer-assisted ] [ Support ] [ Non-u.s. gov't ] [ Support ] [ U.s. gov't ] [ Non-p.h.s. ]


J. Haueisen
D. S. Tuch
C. Ramon
P.H. Schimpf
V. J. Wedeen
J. S. George
J. W. Belliveau

BibTex Reference

   Author = {Haueisen, J. and Tuch, D. S. and Ramon, C. and Schimpf, P.H. and Wedeen, V. J. and George, J. S. and Belliveau, J.W.},
   Title = {The influence of brain tissue anisotropy on human {EEG} and {MEG}},
   Journal = {NeuroImage},
   Volume = {15},
   Number = {1},
   Pages = {159--166},
   Year = {2002}

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