A broad range of conditions characterized by challenges with social skills, repetitive behaviors, and nonverbal communication.

A genetic disorder that occurs when a person has a partial or complete third copy of chromosome 21.

A speech disorder in which a child has difficulty making accurate and consistent movements when speaking.

When a child has difficulties making the sounds that become words. A challenge with the physical act of talking.

An impairment of the articulation of speech sound production, voice, resonance, or fluency (the flow of speech).

Difficulties understanding and/or using spoken language.

Impaired comprehension and/or use of spoken, written, and/or other symbol systems.

Deficits in the neural processing of auditory information in the central auditory nervous system not due to high order language or cognition.