Figure 6From: Testing the potential of a virtual reality neurorehabilitation system during performance of observation, imagery and imitation of motor actions recorded by wireless functional near-infrared spectroscopy (fNIRS)Bilateral group recorded over left (black) and right (gray) hemisphere: diagram of the Δ[O 2 Hb] amplitude changes with standard error of the mean (SEM) and statistical significances of paired t-test are shown.Back to article page