Israel’s BrainQ (reported here May 2018) reported that the double-blind trial of its AI-based electromagnetic therapy shows that patients recovered 77% faster from the disabilities caused by the stroke and were able to resume normal life. The therapy now has FDA Breakthrough Device Designation.

https://www.timesofisrael.com/study-of-25-stroke-patients-shows-brainqs-wave-therapy-can-reduce-disability/