Asperger syndrome is a neurodevelopmental disorder that affects social interaction and nonverbal communication. It is diagnosed through observations of the child, interviews with parents, and cognitive and language testing. Symptoms include intense interests, difficulty with social skills, changes in routines, and sensory processing issues. While the cause is unknown, research examines biological and structural aspects of the brain. Effective teaching strategies provide structure, predictability, social skills training, and support for sensory needs.