Fig. 3From: Brain computer interface training with motor imagery and functional electrical stimulation for patients with severe upper limb paresis after stroke: a randomized controlled pilot trialDistribution of scores on Action Research Arm Test (ARAT) at baseline (blue) and 3Â months post-stroke for the BCI group and the control group. The green bars denote patients with improvement of at least 6 points on ARAT, the red bars with a change of less than 6 on ARATBack to article page