Fact · Voice and AI
3,800hours
In the 2026 Nature Medicine study, the participant used the brain-computer interface at home for more than 3,800 hours with no researchers present.
Checked against its source on October 17, 2026
In the source's own words
“the participant used the BCI for more than 3,800 h at home with no researchers present”
Long-term independent use of an intracortical brain-computer interface for speech and cursor control, Nicholas S. Card et al., Nature Medicine, 2026, Abstract.
Open the original (DOI 10.1038/s41591-026-04414-6)- What it measures
- The study ran for about two years after surgery, and the participant used the system on most days.
- What it does not show
- Usage is one participant's own choice in one home. It shows that long-term home use is possible, not that it is routine or affordable.