Mental retardation definition

Mental retardation means a condition of arrested or incomplete development of mind of a person which is specially characterized by sub normality of intelligence;
Mental retardation means signifi- cantly subaverage general intellectual functioning, existing concurrently with deficits in adaptive behavior and mani- fested during the developmental pe- riod, that adversely affects a child’s educational performance.
Mental retardation means significantly sub-average general intellectual functioning defined as IQ’s under 70 as measured by a qualified professional and existing concurrently with significant impairment in adaptive behavior that are manifested during the developmental period, prior to 18 years of age. Individuals of borderline intelligence, IQ’s 70-75, may be considered to have mental retardation if there is also significant impairment of adaptive behavior as diagnosed and measured by a qualified professional. The adaptive behavior must be directly related to the issues of mental retardation. Definitions and classifications must be consistent with the "Manual of Terminology and Classification in Mental Retardation" by the American Association on Mental Deficiency, 1977 Revision.

Examples of Mental retardation in a sentence

  • Mental retardation was the terminology used in the Landrigan report.MethodologyThe methodology used throughout this report was developed at the Mt. Sinai School of Medicine and is based primarily on methodology published by Landrigan et al.

  • Mental retardation was the terminology used in the Landrigan report.

  • Mental retardation (unless part of a syndrome that is a covered birth defect).


More Definitions of Mental retardation

Mental retardation means significantly sub-average general intellectual functioning existing concurrently with significant impairments in adaptive behavior that are manifested during the developmental period, prior to 18 years of age. Definitions and classifications must be consistent with the "Manual of Terminology and Classification in Mental Retardation" by the American Association on Mental Deficiency, 1977 Revision.
Mental retardation means that the person has, as determined by a PASRR level II evaluation, substantial limitations in functional ability due to significantly sub- average intellectual functioning related to an event occurring before the age of 18.
Mental retardation means a diagnosis of mental retardation under this division which shall be made only when the onset of the person’s condition was prior to the age of 18 years and shall be based on an assessment of the person’s intellectual functioning and level of adaptive skills. The diagnosis shall be made by a person who is a psychologist or psychiatrist who is professionally trained to administer the tests required to assess intellectual functioning and to evaluate a person’s adaptive skills. A diagnosis of mental retardation shall be made in accordance with the criteria provided in the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, published by the American Psychiatric Association.