What exactly is the conflict between neocortex and basal ganglia in stuttering?

What exactly is the conflict between neocortex and basal ganglia in stuttering? Research discussion #3: What exactly is the conflict between neocortex and basal ganglia in stuttering? (as seen in [these ](https://docs.google.com/document/d/1yykx0T3_r21MExtsncXVcsAXOLa-5CHQJAY8tGQanDc/edit?usp=sharing)research studies)