Definitions for "Developmental Disability"
A mental or physical condition beginning in childhood manifesting the following: 1) the child acquires skills at a slower rate than his or her peers, 2) the condition is expected to go on indefinitely, and 3) the condition restricts the child's ability to function in society.
Any mental or physical disability with onset before age 22.
chronic disability caused by a mental or physical impairment and resulting in severe limitations in self-help, communication, learning, mobility, or independent living; for state eligibility purposes: autism, cerebral palsy, severe epilepsy, or mental retardation