How are developmental disabilities defined in terms of onset and duration?

How are developmental disabilities defined in terms of onset and duration?

• A. They are mild learning delays that resolve by adolescence.
• B. They are severe, chronic disabilities attributable to mental or physical impairment that manifest before age 18 and are likely to continue indefinitely.
• C. They are temporary conditions lasting less than one year.
• D. They are primarily physical injuries with no lasting impact.

Answer: (B)

Developmental disabilities are long-lasting conditions that begin during development, typically before age 18, and tend to persist throughout life due to mental or physical impairments that affect functioning in multiple areas. The description that emphasizes severe, chronic conditions starting before 18 and continuing indefinitely best fits this idea, because it captures both the early onset and the lasting nature of these disabilities. The other options describe temporary, mild, or non-lasting conditions that don’t align with the enduring impact these disabilities have on daily life.

Developmental disabilities are long-lasting conditions that begin during development, typically before age 18, and tend to persist throughout life due to mental or physical impairments that affect functioning in multiple areas. The description that emphasizes severe, chronic conditions starting before 18 and continuing indefinitely best fits this idea, because it captures both the early onset and the lasting nature of these disabilities. The other options describe temporary, mild, or non-lasting conditions that don’t align with the enduring impact these disabilities have on daily life.