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Mental Retardation and Developmental Disabilities

  • By: Julie A. Kellowoy & Lee A. Rosen
  • In: Encyclopedia of Counseling
  • Edited by: Frederick T. L. Leong
  • Subject:General Counseling & Psychotherapy, Counseling Psychology

Developmental disability is an umbrella term that broadly refers to a set of severe and chronic physical or mental impairments characterized by an absence or delay in reaching certain developmental milestones that typify the normally developing person. ...

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