British political scientists once had difficulty understanding how the unbalancing effects of affording greater representation to the wealthy was once the means of preserving the______of the commonwealth.

(A) The parts of the brain known as the somatosensory cortex, where the sensations of pain are processed
(B) The parts of the brain whose function is to distinguish the sensory aspects of pain from it suffering aspect
(C) The parts of the brain associated with pain, which appear to be insusceptible to placebo effects
(D) The parts of the brain that are less active in poorly hypnotizable subjects than in easily hypnotizable subjects
(E) The part of the brain known as the anterior cingulate cortex, whose activity is suppressed by hypnosis

(A) How can researchers reproduce the useful effects of hypnosis in a medical setting
(B) How are experiments devoted to disproving the "vivid imagination" objection to hypnosis different from those devoted to disproving the "placebo effect" thesis
(C) What research guarantees the reality of the effects that hypnosis has on brain activity, and what is their causal mechanism
(D) What technical advances have permitted researchers to reject skeptical explanations of the phenomenon of hypnosis
(E) What relationship does brain activity have to the subjective experience of the hypnosis phenomenon