Brain (IMAGE) University of Turku Caption Red: the central nodes of the brain network identified based on stroke lesions causing stuttering Blue: structural changes correlated with the severity of persistent developmental stuttering ASt=amygdalostrital transition zone. Pu=Putamen. Cl=Claustrum. Credit Brain, awae059 / Clinical Neurosciences, University of Turku Usage Restrictions Please attribute this image to creator License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.