 SLPs specialize in the evaluation, diagnosis, and treatment of communication disorders (speech disorders and language disorders), cognitive-communication disorders, voice disorders, and swallowing disorders.SLPs also play an important role in the diagnosis and treatment of autism spectrum disorder (often in a team with pediatricians and psychologists).Speech-language pathologists (SLPs) provide a wide range of services, mainly on an individual basis, but also as support for individuals, families, support groups, and providing information for the general public.