Intellectual disability (ID), once called mental retardation, is characterized by below-average intelligence or mental ability and a lack of skills necessary for day-to-day living. People with. Intellectually disabled adults may be employed at minimum wage jobs and can likely be self-supporting. The majority who work favor independent living over group or supervised living situations. Moderately intellectually disabled typically live with relatives or .
Mentally challenged adults are also known as mentally retarded adults. Their IQ (intelligent quotient) score is below Mental retardation can be graded into four categories. It can be mild, moderate, severe and profound retardation. The symptoms vary accordingly. IQ of is considered to be within normal range, with an average of Mentally challenged is a broad term for adults who suffer from developmental disabilities that impair their cognitive functioning and behavior, such as autism, dementia or cerebral palsy, to name a few examples.