Let's say that you have a painful ache in your hand. If you rub your hand, the pain will be diminished and may disappear for a while. Most likely, this reflects the operation of

Question

Quizplus · Accepted Answer

The gate control theory of pain suggests that non-painful input closes the "gates" to painful input, which prevents pain sensation from traveling to the central nervous system. Rubbing your hand can serve as non-painful input, thus reducing the perception of pain.

Let's Say That You Have a Painful Ache in Your