Fig. 2From: Correlation between the ERD in grasp/open tasks of BCIs and hand function of stroke patients: a cross-sectional studyThe comparison of ERD in the affected hemisphere for the different tasks and groups with a histogram. A The comparison of ERD between group 1 and group 2 in the grasping task. B The comparison of ERD between group 1 and group 2 in the open taskBack to article page