What Is the Current Explanation for Phantom Limb Pain

Multiple Choice

What is the current explanation for phantom limb pain?

A) The sensations amputees report are purely psychological.
B) In the somatosensory cortex,areas that once served the severed limb become sensitive to inputs that activate nearby portions of the somatosensory cortex.
C) Cutting sensory neurons in one part of the body increases the efficiency of neural pain gates.
D) Memory circuits continue to provide the brain with memories of pain experienced before the limb was severed)