What is BABINSKI REFLEX?

Written by Pam MS, NCSP | Fact checked by Psychology Dictionary staff 

the innate reflex occurring in a healthy infant whereby the toes extend upward when the sole of the foot is gently stimulated. This response generally disappears by the time the baby walks, but it may reappear in adults if there is a loss in the function of the upper motor neurons. Also known as Babinski's sign. [Joseph F. Babinski (1857- 19321, French neurologist]

BABINSKI REFLEX: "The infant demonstrated the Babinski reflex when his or her sole was touched and his or her toes extended outwards in a splayed fashion."

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