Evaluating the perspectives of those with severe physical impairments while learning BCI control of a commercial augmentative and alternative communication paradigm.

Only four individuals with ALS took part, so the patterns may not apply to other people with ALS or other severe impairments. There was no comparison communication method or control group described, so the study cannot show that BCI-AAC improved communication compared with usual care. Results were analysed within each participant, so they describe individual patterns rather than a group effect. Some participants trained at home and some in a laboratory, and seating and setup differed, so conditions were not identical. The participants could speak and were not all AAC users, so their experience may differ from people who rely on AAC daily.

The supplied article text does not include a conflicts or funding declaration. The journal metadata lists non-U.S. government and NIH extramural research support.

Do not read this as proof that BCI-AAC works for people with ALS. Four participants had different results, and satisfaction was linked to accuracy for some and to frustration for others, with no control group.