Spatial sampling of MEG and EEG based on generalized spatial-frequency analysis and optimal design.
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ABSTRACT:
SUBMITTER: Iivanainen J
PROVIDER: S-EPMC8752968 | biostudies-literature | 2021 Dec
REPOSITORIES: biostudies-literature
Publications
Spatial sampling of MEG and EEG based on generalized spatial-frequency analysis and optimal design.
Iivanainen Joonas J Mäkinen Antti J AJ Zetter Rasmus R Stenroos Matti M Ilmoniemi Risto J RJ Parkkonen Lauri L
NeuroImage 20211128
In this paper, we analyze spatial sampling of electro- (EEG) and magnetoencephalography (MEG), where the electric or magnetic field is typically sampled on a curved surface such as the scalp. By simulating fields originating from a representative adult-male head, we study the spatial-frequency content in EEG as well as in on- and off-scalp MEG. This analysis suggests that on-scalp MEG, off-scalp MEG and EEG can benefit from up to 280, 90 and 110 spatial samples, respectively. In addition, we sug ...[more]
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