idiocy

(id'J-o-s:) [G. ididteia, awkwardne , uncouthne .j Congenital mental deficiency of extreme degree; exaggerated imbecility. amaurot'ic fam'ily a condition marked by mental impairment leading to idiocy, by paralysis, impaired vision leading to blindne , a ociated with changes in the macula lutea and optic nerve atrophy, by marasmus, and finally death; the disease appears in infancy, often affecting several children in the same family, and usually terminates fatally about the end of the second year. Az'tec i., microcephalic i., marked by receding forehead and chin, the profile having a triangular form, cret'inoid i., cretinism, diple'gic i., paralytic i. in which the paralysis affects all four extremities, epilep'tic i., i. a ociated with epilepsy. gen'etous i., congenital i. of obscure causation, hemiple'gic i., paralytic in which the paralysis has the form of hemiplegia, hydrocephal'ic i., i. a ociated with chronic hydrocephalus, intra so'cial i., a condition in which the mental state pemjits the exercise of some calling; imbecility, microcephal'ic i., I. occurring in a child with small skull and brain, without paralysis or other signs of a focal lesion. Mongo'lian or mon'goloid i., i. marked by cheerfulne of disposition, vivaciousne , and imitativene , abnormal shortne