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MENTAL RETARDATION
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I. (noun)
Sense 1
Meaning:
Lack of normal development of intellectual capacities
Synonyms:
backwardness; mental retardation; retardation; slowness; subnormality
Classified under:
Nouns denoting cognitive processes and contents
Hypernyms ("mental retardation" is a kind of...):
stupidity (a poor ability to understand or to profit from experience)
Hyponyms (each of the following is a kind of "mental retardation"):
abnormality; mental defectiveness (retardation sufficient to fall outside the normal range of intelligence)
mental deficiency; moronity (mild mental retardation)
amentia; idiocy (extreme mental retardation)
imbecility (retardation more severe than a moron but not as severe as an idiot)
Context examples:
A rare, genetic disorder marked by developmental problems, being shorter than normal, mental retardation, heart problems, unusual facial features, and extra folds of skin around the neck, hands, and feet.
(Costello syndrome, NCI Dictionary)
A rare syndrome characterized by low birth weight, delayed growth, mental retardation, behavioral problems, and a distinctive facial appearance (thin, arched eyebrows, low set ears, small teeth, and small nose).
(Cornelia De Lange Syndrome, NCI Thesaurus)
It is characterized by a cat-like cry in infancy, microcephaly, mental retardation, growth failure, round face, hypertelorism, and cardiac failure.
(Cri du Chat Syndrome, NCI Thesaurus)
Mutational inactivation of XPG causes Cockayne syndrome, which is characterized by severe growth defects, mental retardation, and cachexia.
(DNA Excision Repair Protein ERCC-5, NCI Thesaurus)
Signs and symptoms include neurologic damage, mental retardation, skeletal abnormalities, hepatosplenomegaly, and ichthyosis.
(Multiple Sulfatase Deficiency Disease, NCI Thesaurus)
The neuronal migration defects result in brain abnormalities that are usually manifested with mental retardation and epilepsy.
(Neuronal Migration Disorder, NCI Thesaurus)
Mutations and deletions of the gene are associated with severe mental retardation, stereotypic movements, epilepsy, and cerebral malformation.
(MEF2C wt Allele, NCI Thesaurus)
It is characterized by cholestatic jaundice in infancy, hepatosplenomegaly, distinctive facial features (prominent forehead, elongated nose, and pointed chin), cardiac murmurs, bone malformations, and sometimes mild mental retardation.
(Alagille syndrome, NCI Thesaurus)
It is associated with short stature, hypotonia, mental retardation, and hand, foot, skull and facial abnormalities.
(Deletion 18q Syndrome, NCI Thesaurus)
It is characterized by xeroderma pigmentosum, mental retardation, dwarfism, hypogonadism, and neurologic abnormalities.
(De Sanctis-Cacchione Syndrome, NCI Thesaurus)
