Canadian Medical Guide > Psychiatry and Psychology > Mental Disorders > Mental Disorders Diagnosed in Childhood > Developmental Disabilities Terms and Definitions

Developmental Disabilities

Medical Definition:	Disorders in which there is a delay in development based on that expected for a given age level or stage of development. These impairments or disabilities originate before age 18, may be expected to continue indefinitely, and constitute a substantial impairment. Biological and nonbiological factors are involved in these disorders. (From American Psychiatric Glossary, 6th ed)
Guide Notes:	check also tag CHILD or specific
Also Called:	Child Development Deviations,Child Development Disorders, Specific
Previously Indexed:	Child Behavior Disorders (1966-1967),Child Psychology (1966-1967)

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