A Brain Implant Just Turned a Woman’s Thoughts Into Speech in Near Real Time

Image designed by freepik. Article by Tibi Puiu. ZME Science – updated April 2, 2025. Technical Report: Nature Neuroscience.

In a California hospital, a woman who hadn’t spoken in nearly two decades silently mouthed the words, “Why did he tell you?” Moments later, a synthetic voice — trained on a single clip recorded before a stroke robbed her of speech — spoke them aloud. The words weren’t typed or selected from a menu. They came directly from her brain. Researchers at the University of California, San Francisco, have unveiled a brain implant that translates thoughts into […]

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