"Developmental Disability" means a disability which originates before an individual attains the age 18, continues, or can be expected to continue, indefinitely, and constitutes a substantial handicap for such individual…shall include mental retardation, cerebral palsy, epilepsy, autism and handicapping conditions found to be closely related to mentally retarded individuals but shall not include other handicapping conditions that are solely physical in nature. For more information visit State Council on Developmental Disabilities (SCDD).