Massaroppe L, Baccala LA. Kernel-nonlinear-PDC extends Partial Directed Coherence to detecting nonlinear causal coupling.
ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2015;
2015:2864-2867. [PMID:
26736889 DOI:
10.1109/embc.2015.7318989]
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Abstract
Here we investigate a new concept, kernel-nonlinear-Partial Directed Coherence, whereby a kernel feature space representation of the data allows detecting nonlinear causal links that are otherwise undetectable through linear modeling. We show that adequate connectivity detection is achievable by applying asympotic decision criteria similar to the ones developed for linear models.
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