Stroke, traumatic brain injury, and neurodegenerative diseases can all cause the loss of the ability to speak. Some people with severe speech disabilities learn to spell out their thoughts letter-by-letter using assistive devices capable of tracking very small eye or facial muscle movements. However, producing text or synthesized speech with such devices is laborious, error-prone, and painfully slow.  Now, a study from researchers at UCSF … Continue reading Synthetic speech generated from brain signals.