The term developmental disability means a severe, chronic disability of an individual 5 years of age or older that:

1. is attributable to a mental or physical impairment or combination of mental and physical impairments
2. is manifested before the individual attains age 22
3. is likely to continue indefinitely
4. results in substantial functional limitations in three or more of the following areas of major life activity: self-care, receptive and expressive language, learning, mobility, self-direction, capacity for independent living, and economic self-sufficiency
5. reflects the individual's need for a combination and sequence of special, interdisciplinary, or generic services, supports, or other assistance that is of lifelong or extended duration and is individually planned and coordinated

except that such term, when applied to infants and young children means individuals from birth to age 5, inclusive, who have substantial developmental delay or specific congenital or acquired conditions with a high probability of resulting in developmental disabilities if services are not provided.

Types of disabilities which often meet all these conditions include mental retardation, cerebral palsy, epilepsy, autism and a variety of neurological impairments (such as spina bifida, brain injury, etc).

^*As defined by the Developmental Disabilities Assistance and Bill of Rights Act of 1994.

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