“…Intellectual and developmental disabilities are the major symptoms that are explored in the following works: [25,30,62,65,70,[75][76][77][78][79]. They address different problems related to DS adults and students such as: performing work tasks [27,30,74]; obtaining independent life skills [25,75,77]; improving long-term memory [76] and sensory stimulation [65]; experience of performing several of these, and finally; evaluation of vocational training [62].…”