Correlation between the ERD in grasp/open tasks of BCIs and hand function of stroke patients: a cross-sectional study.

"Declarations Ethics approval and consent to participateThis study was approved by the ethical committee of Huashan Hospital. Written informed consent was provided by all participants. Consent for publicationNot applicable. Competing interestsThe authors declare that they have no competing interests. Competing interests The authors declare that they have no competing interests."

"Funding This study was supported by the National Key Research and Development Program Project of China (No. 2018YFC2002300), the National Natural Integration Project (91948302), the National Natural Innovation Research Group Project (82021002), the National Natural Science Foundation of China (82202798, 52005321) and the Shanghai Sailing Program (No. 22YF1404200)."