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

Babinski reflex

play
noun Ba·bin·ski reflex \bə-ˈbin(t)-skē-\

Definition of Babinski reflex

  1. :  a reflex movement in which when the sole is tickled the big toe turns upward instead of downward and which is normal in infancy but indicates damage to the central nervous system (as in the pyramidal tracts) later in life —called also Babinski sign, Ba*bin*ski's reflex, \-skēz-\



Origin of babinski reflex

J.F.F. Babinski †1932 French neurologist


First Known Use: 1900


Medical Dictionary

Babinski reflex

play
noun Ba·bin·ski reflex \bə-ˌbin-skē-\

Medical Definition of Babinski reflex

  1. :  a reflex movement in which when the sole is tickled the great toe turns upward instead of downward and which is normal in infancy but indicates damage to the central nervous system (as in the pyramidal tracts) when occurring later in life—called also Babinski, Babinski sign, Babinski's sign; compare plantar reflex



Biographical Note for babinski reflex

Babinski, Joseph–François–Felix (1857–1932), French neurologist. One of the leading neurologists of his time, Babinski published more than 200 papers, making many important contributions to clinical neurology. In 1896 he made his most famous contribution, his original description of the plantar reflex. He is also known for his critical analysis of cerebellar physiology and symptomatology. He introduced the concept of asynergia and described adiadokokinesis, the inability to perform rapid alternating movements.

Illustration of babinski reflex

Variants of babinski reflex

also Ba·bin·ski's reflex \-skēz-\play

Learn More about babinski reflex


Seen and Heard

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

WORD OF THE DAY

February 8, 2016

to clear from accusation or blame

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

spindrift pince-nez kittly-benders duvet
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ