Answer:
Autism.
Explanation:
Autism: In psychology, the term autism is also referred to as autism spectrum disorder or ASD. Autism is defined as a medical condition that is being distinguished based on a child's challenging social skills, nonverbal communication, speech, and repetitive behaviors.
Characteristics:
1. Need for sameness.
2. Repeated actions.
3. Problems in interacting with others.
Types: Asperger's Syndrome, Autistic Disorder, etc.