Introduction
This study was conducted by Frenkel S. and B. Bourdin. They carried out this research to assess the various memory sytems (short term) from a developmental view of patients of Down’s syndrome (DS). The study compared the patients’ performance to those of normal individuals of similar mental age. Down’s syndrome is the most common cause of Intellectual Disability (ID). Down’s syndrome, also named Trisomy 21, is a genetic condition which is caused by the partial or full presence of an additional 21st chromosome (Frenkel and Bourdin, 2009). The extra chromosomal material delays the development of a child physically and ...
