What are the steps that cause the Babinski reflex?
Which of the following is the correct sequence of events leading to the Babinski reflex?

A) Stimulus to the sole of the foot, activation of motor neurons, extension of the big toe
B) Activation of motor neurons, stimulus to the sole of the foot, extension of the big toe
C) Extension of the big toe, activation of motor neurons, stimulus to the sole of the foot
D) Activation of motor neurons, extension of the big toe, stimulus to the sole of the foot