Semiparametric detection of nonlinear causal coupling using partial directed coherence. - Lucas Massaroppe; Luiz Antonio Baccalá; Koichi Sameshima (EMBC, 2011)

Kernel-nonlinear-PDC extends Partial Directed Coherence to detecting nonlinear causal coupling. - Lucas Massaroppe; Luiz A. Baccalá (EMBC, 2015)

Kernel Methods for Nonlinear Connectivity Detection. - Lucas Massaroppe; Luiz A. Baccalá (Entropy, 2019)