Mental Retardation / Diagnostic criteria for mental retardation

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Mental Retardation / Diagnostic criteria for mental retardation

1 - significantly subaverage intellectual functioning is defined as an IQ of about 70 or below on an individually administered IQ test ( for infants, a clinical judgment of significantly subaverage intellectual functioning).

2 - concurrent deficits or impairment in present adaptive functioning ( i .e., the person's effectiveness in meeting the standards expected for his or her age by his or her culture group ) in at least two of the following area  : 

 communication, self-care, home living, social/interpersonal skills, use of community resources, self-direction, functional academic skills, work, leisure, health, and safety .

3 -  the onset must occur before age 18 years