Fact · Voice and AI
In the 2025 Nature study, the voice synthesized from the participant's neural activity was often intelligible, but not consistently so.
Checked against its source on October 17, 2026
In the source's own words
“The resulting synthesized voice was often (but not consistently) intelligible”
An instantaneous voice synthesis neuroprosthesis, Maitreyee Wairagkar et al., Nature, 2025, Abstract.
Open the original (DOI 10.1038/s41586-025-09127-3)- What it measures
- Human listeners transcribed the synthesized voice in a listening test, and the paper compares that with the participant's own residual speech.
- What it does not show
- One participant with ALS and severe dysarthria. Intelligibility varied from trial to trial, so the voice is not yet reliable for everyday talk.