As used in this chapter:

1. (1) "Early intervention program" means the specialized education and related services provided in accordance with Public Law 94-142, as amended.
2. (2) "Preschool-age handicapped children" means all those children ages three, four, and five whose developmental progress substantially deviates from the norm to the extent that a program of early intervention is required to ensure their adequate preparation for school-age experiences, including those children who meet the State Board of Education's eligibility criteria for conditions of developmental delay, trainable mental handicap, profound mental handicap, visual handicap, hearing handicap, orthopedic handicap, other health impaired, and speech/language handicaps.
3. (3) "Developmental delay" means a significant deficit in the area of cognitive ability, language ability, motor ability, perceptual ability, or social/emotional maturity and is a handicapping condition if diagnosed as meeting the State Board of Education's eligibility criteria.