Neuralink voiced the thoughts of a person who cannot speak

A patient with amyotrophic lateral sclerosis (ALS) has been able to produce speech thanks to a brain chip that converts neural signals into words and vocalizes them through a computer. The company Neuralink released a video demonstrating the N1 device, implanted in Kenneth Shock in January 2026.

How the Brain-Computer Interface Works

The implant detects activity in brain regions responsible for controlling the speech apparatus and maps these signals to phonemes — the smallest units of sound. The system gradually learns to recognize the patient’s intent to speak, eventually eliminating the need for physical lip or vocal movements. Previously, such devices only allowed users to control a cursor or a robotic arm, but now they enable direct communication powered solely by thought.

Step-by-Step Training of the Patient

Initially, Shock spoke phrases aloud so the system could “learn” the correlation between neural activity and words. Then he repeated the phrases silently, moving only his lips. At the final stage, Neuralink’s software learned to recognize speech even when the patient made no movements at all. Engineers emphasize that the ultimate goal is to decode the intention to speak directly into voice.

Clinical and Technical Aspects

The demonstration is part of the VOICE clinical trial. The technology still requires refinement, particularly to increase signal processing speed: currently, the system may take several minutes to interpret words. Developers plan to increase the number and precision of sensors to achieve real-time speech transmission. Broad implementation of these solutions is expected only in a few years after further development and large-scale testing.