Definition of Mental retardation
1. Noun. Lack of normal development of intellectual capacities.
Generic synonyms: Stupidity
Specialized synonyms: Abnormality, Mental Defectiveness, Mental Deficiency, Moronity, Amentia, Idiocy, Imbecility
Derivative terms: Backward, Retard, Slow, Subnormal
Medical Definition of Mental retardation
1. Subnormal intellectual functioning which originates during the developmental period and is associated with impairment of one or more of the following: (1) maturation, (2) learning, (3) social adjustment. (12 Dec 1998)
Mental Retardation Pictures
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Lexicographical Neighbors of Mental Retardation
Literary usage of Mental retardation
Below you will find example usage of this term as found in modern and/or classical literature:
1. Handbook of Severe Disability: A Text for Rehabilitation Counselors, Other edited by Walter C. Stolov, Michael R. Clowers (2000)
"This ambiguity is particularly evident in the milder levels of mental retardation where an individual's behavior is judged to be "almost normal. ..."
2. Healthy People 2000: National Health Promotion & Disease Prevention by DIANE Publishing Company (2004)
"The estimated rate of serious mental retardation (IQ less than 50) was 2.7 ... A 25-percent reduction in the prevalence of serious mental retardation (IQ ..."
3. Continuity of Offender Treatment for Substance Use Disorders from by Gary Field (1998)
"Because inmates with mental retardation may have poor judgment, ... It is important to have experts in mental retardation involved in the transition. ..."
4. The Psychological Methods of Testing Intelligence by William Stern (1914)
"Abnormal Children (a) Mental arrest and mental retardation. The mental quotient. ... One of these theses refers to mental retardation and runs thus (38, p. ..."
5. American Physical Education Review by American Physical Education Association (1920)
"The belief prevails that malnutrition is one of the causes of mental retardation, also that mental tests of any group of malnourished with a like group of ..."
6. Death by Default: A Policy of Fatal Neglect in China's State Orphanages by Robin Munro (1996)
"In international and standard Chinese diagnostic practice, the four types of mental retardation are designated in reverse order by the letters i-iv, ..."
7. Backward Children by Arthur Holmes (1915)
"CHAPTER VI RETARDATION DUE TO ENVIRONMENT THE causes of mental retardation are resident either within the child himself or outside of him. ..."