It is generally known as ID (Intellectual Disability). Intellectual Disability refers to substantial limitations in present functioning. It starts before the age of 18 and is characterized by significantly sub-average intellectual functioning, existing concurrently with related limitations.
It is applicable in the following adaptive skill areas:
It is generally defined by an IQ below 70%.
Mental Retardation (MR) is classified into four categories:
It becomes apparent during childhood and involves deficits in Activities of Daily Living (ADL).
Causes: Genetic conditions, problems during pregnancy, problems at birth, exposure to certain diseases or toxins, iodine deficiency, and malnutrition.
Management: Many psychologists can help treat Intellectual Disability through behaviour modification, special education, and training in Activities of Daily Living (ADL).