Self-stimulatory behaviors, also called stimming, are one of the typical features of autism. They are repetitive, stereotyped movements of the whole body (rocking, spinning) or just one part of it (flapping hands, snapping fingers, spinning objects). Stimming is not unique to autistic people. Also typically developed persons, in some situation, use self-stimulatory behaviors. Tapping your fingers on the desk, repetitively move your foot up and down, playing with your hair… they are all behaviors people normally engage in when nervous or …