Yeah still meaningful but actually this article is kinda out-of-date cuz several yrs ago therapists have developed a therapy called Delayed Auditory Feedback which trains PWS to imagine a deaf but invisible listener next to their conversation partners and divert as much attentions as possible onto him/her to mitigate anxieties and fears caused from listeners' auditory feedbacks from PWS: [https://www.sciencedirect.com/search?qs=delayed%20auditory%20feedback%20stutter](https://www.sciencedirect.com/search?qs=delayed%20auditory%20feedback%20stutter)