Intellectual disability was called mental retardation in former times. A mean of 100 is used for the standardized measure of IQ in the general population. Systems of classifying intellectual disability in the United States use the terms mild, moderate, severe and profound. People with profound ID have an IQ below 20 and cannot live independently. They require supervision and often have congenital syndromes and associated medical conditions.
Mental retardation has different levels. There is Mild intellectual disability; moderate intellectual disability; severe intellectual disability; and Profound intellectual disability.https://www.floridahospital.com/mental-retardation-mr/symptoms-and-signs-mental-retardation
International Sports Federation for Persons with Intellectual Disability was created in 1986.
integration and sexual education in people with intellectual disability
The worst category for a disorder/disability would be profound.
developmental disability
Deep, erudite, intellectual
The lowest IQ level is typically considered to be around 40-50, which is classified as profound intellectual disability. This level of IQ is associated with significant limitations in adaptive functioning and daily living skills.
Intellectual Disability...............
It was a profound change in intellectual thought in the 16th and 17th centuries.
The term "mentally retarded" is considered outdated and is now more appropriately referred to as intellectual disability. According to the American Association on Intellectual and Developmental Disabilities, about 1-3% of the population is estimated to have an intellectual disability. This prevalence can vary depending on the definitions and criteria used in different studies and regions.
MARK RAPLEY has written: 'SOCIAL CONSTRUCTION OF INTELLECTUAL DISABILITY'
Not as a rule. Of course, kids with intellectual disabilities can be psychotics just like average kids or really smart kids.