Autism, delayed expressive and receptive skills, ADHD (Attention deficit hyperactive disorder), Intellectual disability, apraxia, Stuttering, Misarticulation, cerebral palsy, learning disability, dyslexia, Hearing disability
aphasia, apraxia, dysphagia, dysarthria, stuttering
Puberphonia, androphonia, spasmodic dysphonia, vocal fold paralysis
