Babinski reflex

noun Ba·bin·ski reflex \ bə-ˈbin(t)-skē- \
variants: or Babinski sign or less commonly Babinski's reflex play \-skēz-\ or Babinski's sign
|Updated on: 12 Jun 2018

Definition of Babinski reflex

: 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

Origin and Etymology of babinski reflex

J. F. F. Babinski †1932 French neurologist


Medical Dictionary

Babinski reflex

noun Ba·bin·ski reflex \ bə-ˌbin-skē- \
variants: also Babinski's reflex play \-skēz-\

medical Definition of Babinski reflex

: 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.

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illustration of babinski reflex


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