This study investigated the disfluencies and phonic tics in an 18- year-old male with Tourette syndrome before and after a 3-week period of speech therapy. The subject's speech pattern did not completely conform to the classic pattern of stuttering but bore more resemblance to cluttering. A limited number of therapy sessions resulted in a…

A panel of speech professionals was randomly presented with speech samples from four neurogenic and four developmental stutterers and was asked to classify them accordingly without any patient knowledge. Results support the view that, based on the patient's verbal output only, it is difficult to distinguish between neurogenic and developmental…