Man In a Vegetative State for 15 Years Stirs After Brain Stimulation—But He's Not Awake Yet

Although scientists stress this case study is a one-off, it's still very promising.

from gizmodo http://www.gizmodo.co.uk/2017/09/man-in-a-vegetative-state-for-15-years-stirs-after-brain-stimulation-but-hes-not-awake-yet/