Fig. 3.

TD-NIRS typical signal. In red: oxy-hemoglobin (O₂Hb), in blue: de-oxyhemoglobin (HHb). a) Whole time courses. In the inset the initial transient when the arm movement starts. b) Time courses after the removal of the baseline, the first 5 seconds of the movement and the final part when no movement was performed.