TS, age 4, was referred for an evaluation by his parents due to concerns about his sensory processing and social-emotional development. He met developmental milestones within normal limits but his parents note sensitivity to loud noises and hand flapping when excited. The social history report describes TS's medical history, learning skills, and family background based on an interview with his mother. His parents' main concerns are his sensory issues and difficulties with socialization reported by his preschool.