First I want to link a video you might be interested in: https://youtu.be/3XeTXge6s3A?feature=shared Yea your right. I think the common consensus of why people stutter is structural deficiencies in the speech areas of the brian (brocas area, wernicke's area and basal ganglia like you said). Plus we see that the brain tries to compensate for these structural deficiencies by actiavting the right hemisphere. Of course the right hemisphere isn't built for speech so that's why we have blocked speech. And even when we're not stuttering, the brain is showing more activation of right hemisphere more than non stutterers. You mentioned the fact that speech requires the coordination between about 100 different muscles. There's research that speech sound stimulability helps improve the coordination between the different speech articulators. It's used mostly for children with speech difficulties but I've seen the application in adult therapy. Hollins Stuttering Institute's uses a form of it in their Pricision Fluency Shaping Program by slowing each speech sound to 2 seconds. It's being used in many new speech therapy clinics here in Canada. And famous actor Hrithik Roshan shared in an interview on YouTube that he would practice going through every sound in the English language for 1-2 hours a day before he became fluent. Plus there's a research study that looked at the brains of people who stuttered in the past and people who still stutter and found increased gray matter in the cerebellum in the group who lost their stutter in adulthood. This was mentioned in the video linked above. Not sure I understand why you think the structural deficiency assertion is ignorant. These are simply things observed from brain scans taken from stutterers when they speak and comparing them to non-stutterers. It's not some convenient excuse they made up because stuttering is so complex. It's just the current state of the research regarding stuttering which only started taking off in the early 2000's. I think it'll take more time and funding for researchers to make any further breakthroughs. I'll have have to go over the other research you mentioned regarding the role that the DMN and excess dopamine in the basal ganlia area plays in stuttering. Cause I'm not too well read in that area. Actually someone who has a YouTube channel posted a video on their views on overcoming stammering and he mentioned something similair. You wouldn't happen to be that person? The channel is called "Reverse Your stuttering". I had the short discussion in first video in the comments. Anway thank you for sharing some of the current research surrounding what's going on in the brain when we stutter. And glad to hear your co-workers are such amazing people for accepting your stutter and love for it! I'm of the opinion that people like that are rare to find. Where are you from btw? I'm curious.