People who find it difficult to speak due to a stroke or Parkinson’s disease could communicate more easily with the help of artificial intelligence. A new model constructs what a person is trying to say based on tiny vibrations in their throat, but also takes into account other factors, such as what time it is and the emotions they may be experiencing.

Some neurological conditions can result in dysarthria, where people lose fine control over their voice box, jaw or tongue. Previous solutions using brain-computer interfaces have…