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Babinski effect

British  
/ bəˈbɪnskɪ /

noun

  1. physiol the reflex curling upwards of the toes (instead of inwards) when the sole of the foot is stroked, normal in infants below the age of two but a pathological condition in adults

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Babinski effect

after Joseph Babinski (1857–1932), French neuropathologist

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.