intellectual impairment
1.MethodsThe epidemiological survey of intellectual impairment was carried out in various areas in Jiangshu. 9998 children were screened by Denver Development Screening Test(DDST),Gesell Development Scale and CCMD-2-R.
2.This disease is characterized by a general loss of intellectual ability and impairment of memory, judgment and abstract thinking, as well as changes in personality.
