47,XX,+21; 47,XY,+21; Trisomy 21
Mental retardation (also called mental handicap and the UK Mental Health Act (1983) defines mental impairment and severe mental impairment) is a term for a pattern of persistently slow learning of basic motor and language skills ("milestones") during childhood, and a significantly below-normal global intellectual capacity as an adult. One common criterion for diagnosis of mental retardation is a tested intelligence quotient (IQ) below 70.
A disorder caused by the presence of an extra chromosome 21 and characterized by mental retardation and distinguishing physical features.
Mental Retardation as related to Down Syndrome
- Mental Retardation / Down Syndrome - WebMD
This information is provided as a resource and does not constitute an endorsement for any group. It is the responsibility of the reader to decide whether a group is ...
- Down Syndrome IQ, Intelligence and mental retardation
Understanding and Treating Down Syndrome: Improving intelligence, Understanding IQ intelligence quotient scores and, the types and characteristics of developmental ...
- Intellectual disability - Wikipedia, the free encyclopedia
Among children, the cause is unknown for one-third to one-half of cases. Down syndrome, velocariofacial syndrome, and fetal alcohol syndrome are the three most …
- Down syndrome - Wikipedia, the free encyclopedia
Down syndrome (DS or DNS) or Down's syndrome, also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21.
- Mental Retardation - Coffin-Lowry Syndrome Foundation
The American Association on Mental Retardation (AAMR), arguably the leading professional organization in the field of mental retardation, offered the following ...
- mental retardation - definition of mental retardation …
Mental Retardation Definition. Mental retardation is a developmental disability that first appears in children under the age of 18. It is defined as an intellectual ...
- UVa Special Education: Resources on Mental Retardation
What is Mental Retardation. Definition. Mental Retardation refers to substantial limitations in present functioning. It is characterized by significantly subaverage ...
- Mental retardation - SlideShare
Transcript. 1. MENTAL RETARDATION; 2. What is Mental Retardation? Mental retardation is a developmental disability that ...
- Pediatric Mental Retardation - Medscape Reference
Pediatric Mental Retardation. A diagnosis of mental retardation carries with it certain unique treatment needs that must be understood and addressed.
- ERIC - Thesaurus - Mental Retardation
ERIC is an online library of education research and information, sponsored by the Institute of Education Sciences (IES) of the U.S. Department of Education.