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- Eini I Niskanen, Mika P Tarvainen, Mervi Kononen, Hilkka Soininen, and Pasi A Karjalainen.
- Department of Physics, University of Kuopio, Kuopio, Finland.
- Conf Proc IEEE Eng Med Biol Soc. 2007 Jan 1;2007:5485-8.
AbstractIn this paper, we present a subspace approach for functional magnetic resonance imaging (fMRI) time series analysis. The signal subspace is formed of the eigenvectors of data correlation matrix. The approach is utilized both for single-trial estimation of blood oxygenation level dependent (BOLD) responses in fMRI time series and for studying the functional connectivity of BOLD responses from different spatial areas.
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