Persistent deficits in social communication and social interaction 1. Deficits in social-emotional reciprocity 2. Deficits in nonverbal communicative behaviors 3. Deficits in developing, maintaining, understanding relationships B. Restricted, repetitive patterns of behavior, interests, or activities 1. Stereotyped or repetitive motor movements, use of objects, or speech 2. Insistence on sameness, inflexible adherence to routines, ritualized patterns of verbal or nonverbal behavior 3. Highly restricted, fixated interests that are abnormal in intensity or focus 4. Hyper or hyporeactivity to sensory input or unusual interest in sensory aspects of the environment C. Symptoms presen