Fact · Voice and AI
The 2026 Nature Medicine study of a speech and cursor brain-computer interface reports results from one participant, a man with paralysis and severe dysarthria due to ALS.
Checked against its source on October 17, 2026
In the source's own words
“decoders by a man with paralysis and severe dysarthria due to amyotrophic lateral sclerosis”
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
- Dysarthria is difficulty speaking caused by weakness of the muscles used for speech. The study used intracortical microelectrode implants, which record activity from inside the brain.
- What it does not show
- A single participant. Results may not carry over to other people, other implants or other stages of ALS.