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Close-up of a person's head with glowing neural pathways, symbolizing brain-computer interface technology in a futuristic lab.

Brain-Computer Interface Trials Are Rapidly Expanding

The number of people with brain-computer interface (BCI) trial electrodes has more than doubled since 2024, now estimated at 150 individuals, according to MIT Technology Review .

Dr. Chloe O'Connell·June 19, 2026