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Fig. 3 | BioMedical Engineering OnLine

Fig. 3

From: Adaptive filtering of physiological noises in fNIRS data

Fig. 3

a Bundled-optode configuration of 40 channels to detect right-finger movements in the left motor cortex (squares and circles represent emitters and detectors, respectively); b an example of short-/long-channel measurements (short: 1–2, 3–4, 5–6, 7–8; long: 1–4, 1–5, 1–6, 1–8, etc.; for instance, if Ch. 1 is composed of emitter 1 and detector 4, pairs 1–2 and 3–4 are used as a SS channel for Ch.1′s noise removal); and c experimental paradigm (five trials for thumb and little-finger movements each, which were randomly performed)

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