Andrew N. Wilner, MD: The Babinski sign has been around for a long time. Looking at your poster, have you found a way to improve upon it? What did you do? Dr. Sohrab: The idea came from the work of Dr ...

- extension upward of the toes when the sole of the foot is stroked firmly on the outer side from the heel to the front; normal in infants under the age of two years but a sign of brain or spinal cord ...