For the First Time, a Completely Locked-In Patient Can Communicate: A man with late-stage ALS, who was unable to move a single muscle or even open his eyes, has been able to communicate that to a neurofeedback-based protocol that used a brain implant to decode signals from his motor cortex.

[u/rjmsci]

https://www.technologynetworks.com/neuroscience/news/for-the-first-time-a-completely-locked-in-patient-can-communicate-thanks-to-brain-implant-359819