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Spherical harmonic decomposition applied to spatial-temporal analysis of human high-density electroencephalogram.

作者信息

Wingeier B M, Nunez P L, Silberstein R B

机构信息

Brain Sciences Institute, Swinburne University of Technology, 400 Burwood Road, Hawthorn, Victoria 3122, Australia.

出版信息

Phys Rev E Stat Nonlin Soft Matter Phys. 2001 Nov;64(5 Pt 1):051916. doi: 10.1103/PhysRevE.64.051916. Epub 2001 Oct 26.

DOI:10.1103/PhysRevE.64.051916
PMID:11735977
Abstract

We demonstrate an application of spherical harmonic decomposition to the analysis of the human electroencephalogram (EEG). We implement two methods and discuss issues specific to the analysis of hemispherical, irregularly sampled data. Spatial sampling requirements and performance of the methods are quantified using simulated data. The analysis is applied to experimental EEG data, confirming earlier reports of an approximate frequency-wave-number relationship in some bands.

摘要

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