 Other much less common causes of stuttering include neurogenic stuttering (stuttering that occurs secondary to brain damage, such as after a stroke) and psychogenic stuttering (stuttering related to a psychological condition).Other disorders with symptoms resembling stuttering include autism, cluttering, Parkinson's disease, essential tremor, palilalia, spasmodic dysphonia, selective mutism, and social anxiety.Stuttering is typically a developmental disorder beginning in early childhood and continuing into adulthood in at least 20% of affected children.