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. 2020 Feb 18;14:10. doi: 10.3389/fnbot.2020.00010

Figure 4.

Figure 4

Fitting of ΔHbO and ΔHbR signals for active (Ch. 18) and non-active (Ch. 3) channels at q = 1 for Sub. 1: (A,B,E,F) were obtained by using the RLS method; (C,D,G,H) were obtained by using the Gaussian-kernel RLS method.