What is Hand Flapping Autism? Hand flapping in autism, often categorized as a “stimming” or self-stimulatory behavior, involves quick, repetitive hand movements. This behavior can be a natural way for individuals with autism to express excitement, cope with stress, or regulate sensory input. Although it may draw attention in public settings, understanding the comfort hand flapping brings to those with autism is essential. For those seeking the best Autism treatment, consider visiting: Delhi Mind Clinic