His research focus is the contribution of phonological, phonetic, and linguistic factors to stuttering in children and adults. Current projects include differences in working memory skills and word-learning abilities in adults who do and do not stutter. Dr. Coalson also teaches introductory and intensive courses in Fluency Disorders at LSU, serves as chapter leader for the New Orleans chapter of the National Stuttering Association (NSA), and is an active member of the two neighboring NSA chapters in the Southern Louisiana (Baton Rouge and Lafayette).