Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
intellectual disability
Table of Contents
References & Edit History Quick Facts & Related Topics
Read Next
Runners competing at 800 m during the Special Olympics European Summer Games in Warsaw. Photo taken on: September 20, 2010 in Warsaw, Poland
Special Olympics World Games
Discover
Dancers at a Cinco de Mayo festival at the Mission District, San Francisco, California. (Photo dated 2019.) holidays
Is Cinco de Mayo Mexico's Independence Day?
Illustration for Demystified "How Dangerous is Quicksand"
How Deadly Is Quicksand?
Drinking water is poured into a glass.
Water Fluoridation: Just the Facts
Internet http://www blue screen. Hompepage blog 2009, history and society, media news television, crowd opinion protest, In the News 2009, breaking news
Who Invented the Internet?
US Marines firing at Fallujah, Iraq, during the Second Battle of Fallujah in November 2004. Operation Iraqi Freedom, Iraq War.
Timeline of the 2000s
Poker game. Card game. Royal Flush in poker. Hearts suit gambling
Poker Hands Ranked
Happy, smiling, flying pig
7 Everyday English Idioms and Where They Come From

intellectual disability: Facts & Related Content

verifiedCite
While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions.
Select Citation Style
Share
Share to social media
URL
https://www.britannica.com/facts/intellectual-disability
Written and fact-checked by
The Information Architects of Encyclopaedia Britannica

The Information Architects maintain a master list of the topics included in the corpus of  Encyclopædia Britannica, and create and manage the relationships between them.
The Information Architects of Encyclopaedia Britannica

News •

Best Buddies Friendship Walk in Natomas! • Apr. 26, 2025, 9:36 AM ET (CBS)

Facts

Also Known As mental retardation

Related Topics and References

Topics
Dig Deeper: More Articles That Discuss This Topic

Key People

Samuel Gridley Howe
Samuel Gridley Howe
American educator
Edouard Séguin
American psychiatrist
Jean-Marc-Gaspard Itard
French physician
Niels Erik Bank-Mikkelsen
Danish reformer
Walter E. Fernald
American doctor and administrator
A.R. Luria
Soviet neuropsychologist
Gunnar Dybwad
American author, administrator, and activist
Rosemary F. Dybwad
American author and activist
Jean-Étienne-Dominique Esquirol
French psychiatrist