All the following are recognized stereotypic movements EXCEPT

(B). Eye blinking considered as simple motor tic, others are sterotypic movements. Unlike tic disorders,the Stereotypic movements typically begin within the first 3 yr of life. These movements resolveover time. Among individuals with intellectual disability, the stereotyped behaviors may persist for years. Stereotypic movements are a common manifestation of a variety of neurogenetic disorders, such as Lesch-Nyhan syndrome,Rett syndrome,fragile X syndrome,Cornelia de Lange syndrome, and Smith: Magenis syndrome