Brain Implant Decodes Inner Speech with 74% Accuracy

Brain Implant Decodes Inner Speech with 74% Accuracy
Above: Stanford University campus in Stanford, Calif., on March 28, 2025. Image copyright: Justin Sullivan/Getty Images

The Spin

Techno-optimist narrative

This study offers unprecedented hope for speech impaired patients. Not only will brain chips be able to decode inner thoughts, but they also show promise for restoring natural speech in people with paralysis. By translating brain activity into near-real-time voice, bypassing physical barriers, these inventions could one day let patients speak fluently again.

Techno-skeptic narrative

While curing speech paralysis is undeniably a good thing, brain-computer interfaces could also be exploited for surveillance or manipulation. Past abuses, like Cold War mind-control experiments, show how decoding or altering thoughts could threaten mental privacy and autonomy.

Metaculus Prediction


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© 2025 Improve the News Foundation. All rights reserved.Version 6.14.0

© 2025 Improve the News Foundation.

All rights reserved.

Version 6.14.0