Examples of Sensory Stimulation
Dr. Smith explains that not all children with autism (but many) engage in an array of unsual behaviors related to sensory interests, including oral, auditory, visual and tactile fixations. Making repetitive finger movements in front of the eyes is a classic symptom of autism that also likely has a sensory component.
" ...some children with autism will engage in only one or two kinds of sensory stimulation behavior while others will engage in many..."
— Christopher Smith, PhD