A paralysed woman communicates through an avatar using cutting-edge technology that translates brain signals into speech and facial expressions.
Source : Wired
Brain-computer-interfaces (BCIs) hold promise for those who've lost the ability to speak due to conditions like strokes and ALS, offering a potential breakthrough.
Source : Wired
Traditional speech synthesisers relying on slow methods like eye tracking hinder natural conversation, making the new technology a game-changer.
Source : Wired
Tiny electrodes implanted on the brain's surface detect electrical activity in speech and facial movement areas, enabling direct conversion to an avatar's expressions.
Source : Wired
Professor Edward Chang's team at the University of California, San Francisco pioneers the technology, aiming to restore natural communication.
Source : USCF health
Severe paralysis patient Ann, relying on movement-tracking, is now using the avatar to convey thoughts and hopes to work as a counsellor.
Source : Wired
A paper-thin rectangle of 253 electrodes is implanted on Ann's brain surface, capturing signals that would control her speech and facial muscles.
Source : Wired
AI algorithms decode Ann's brain signals for various speech sounds, trained on phrases to control an avatar with a personalized voice.
Source : Wired
Although not flawless, the technology's advancements in accuracy and speed indicate practical usability for patients in the near future.
Source : Wired
The next challenge involves developing a wireless version of the BCI for implantation beneath the skull, potentially enhancing independence and social interactions.