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Intellectual disability (ID), also known as general learning disability (in the United Kingdom), [3] and formerly mental retardation (in the United States), [4] [5] [6] is a generalized neurodevelopmental disorder characterized by significant impairment in intellectual and adaptive functioning that is first apparent during childhood.
There are a variety of disabilities affecting cognitive ability.This is a broad concept encompassing various intellectual or cognitive deficits, including intellectual disability (formerly called mental retardation), deficits too mild to properly qualify as intellectual disability, various specific conditions (such as specific learning disability), and problems acquired later in life through ...
Qualified Mental Retardation Professional (QMRP) was the term first used in federal standards developed in the late 1970s and early 1980s for intermediate care facilities for developmentally disabled people. [13] In 2010, Rosa's Law [14] changed the terminology from "Mental Retardation" to "Intellectual Disability."
The bill changed references in federal law; the term mental retardation was replaced by mental disability. Additionally, the phrase "mentally retarded individual" was replaced with "an individual with an intellectual disability". [14] Rosa's Law was named after Rosa Marcellino, a nine-year-old girl with Down syndrome.
Developmental disability is a diverse group of chronic conditions, comprising mental or physical impairments that arise before adulthood. Developmental disabilities cause individuals living with them many difficulties in certain areas of life, especially in "language, mobility, learning, self-help, and independent living". [1]
The concept is closely associated with psychology, psychiatry, criminology, and eugenics. However, the term imbecile quickly passed into vernacular usage as a derogatory term. It fell out of professional use in the 20th century in favor of mental retardation .
In 1939, it expanded beyond the annual conference report and became known as American Journal of Mental Deficiency. From 1987 until 2007, it was titled the American Journal of Mental Retardation, after which it was given its current title. It is focused primarily on scientific and medical studies and reviews.
Alpha-thalassemia mental retardation syndrome (ATRX), also called alpha-thalassemia X-linked intellectual disability syndrome, nondeletion type or ATR-X syndrome, [1] is an X-linked recessive condition associated with a mutation in the ATRX gene. [2]