Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Medical Dictionary

Wada test

play
noun Wa·da test \ˈwä-də-\

Medical Definition of Wada test

  1. :  a procedure for identifying which hemisphere of the brain is dominant for language and memory function and that typically involves anesthetizing one hemisphere at a time (as by the injection of amobarbital into the internal carotid artery) and having the patient perform several cognitive tasks (such as identifying words or pictures or counting backwards) <… a Wada test, is performed before neurosurgery to protect important brain processing centers from disturbance.—Jamie Talan, Newsday, 29 Jan. 2002>



Biographical Note for wada test

Wada, Juhn Atsushi (born 1924), Canadian (Japanese-born) neurologist. Wada held the concurrent positions of professor of neurology at the University of British Columbia and attending neurologist at Vancouver General Hospital. His areas of research included epilepsy and the brain mechanisms of human behavior. He introduced the Wada test for determining which side of the brain is dominant for speech in 1960.


Seen and Heard

What made you want to look up Wada test? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a division or portion of a pool or whole

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1926873504

Which of the following best describes an easily irritated person?

gregarious tetchy flashy superficial
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ