An Intellectual Disability or Developmental Disability (ID/DD) is a neurological condition which significantly impacts activities of daily living and development.

ID/DD  is considered to be a lifelong condition and results in significant impairment in at least two areas of daily living such as:

  • self-care
  • communication
  • cognitive
  • mobility
  • self-direction
  • capacity for independent living and economic self sufficiency


ID/DD may include an Intelligence Quotient Scale (IQ) of below 70 but is not limited to this in the larger definition of Developmental Disabilities.

This definition would include, but is not limited to, the following of types of diagnosis: