"Developmental Disabilities" is an umbrella term that includes intellectual disability but also includes other disabilities that are apparent during childhood.
Developmental disabilities are considered to be lifelong, severe chronic cognitive and physical disabilities that that appear before the age of 22.
Developmental disabilities include but are not limited to:
Intellectual disabilities fall under the same definition of developmental disabilities due to the chronic cognitive nature of the diagnoses. Intellectual disabilities display significant limitations in intellectual functioning, adaptive behavior and have an onset before the age of 18.
Intellectual disabilities include but are not limited to: