Pain might flicker, flash, prickle, drill, lancinate, pinch, cramp, tug, scald, sear, or itch. It might be blinding, or gruelling, or annoying, and it might, additionally, radiate, squeeze, or tear with an intensity that is mild, distressing, or excruciating. Yet understanding someone else’s pain is like understanding another person’s dream. The dreamer searches out the right words to communicate it; the words are always insuffcient and imprecise. In 1971, the psychologist Ronald Melzack developed a vocabulary for pain, to make communication less cloudy. His McGill Pain Questionnaire, versions of which are still in use today, comprises seventy-eight words, divided into twenty groups, with an additional five words to describe intensity and nine to describe pain’s relationship to time, from transient to intermittent to constant. Not included in the M.P.Q. is…
