Got this from Facebook via Tom Myers:
“Patrick Wall suggested that pain may be likened to a “need” state, like thirst or hunger. Both of these are uncomfortable states that require action for their downregulation, i.e., a “consummatory act.”
If you are thirsty, to get a drink is the “consummatory act” that will satisfy that particular “need” state.
If you are hungry, to find and eat some food is the “consummatory act” that will satisfy that particular “need” state.
If you have pain, to find a way to move that will dispel the sense that you can’t, will be the “consummatory act” that will satisfy that particular need state.”