summation hyperpathia

summation hyperpathia

an exaggerated pain response that occurs only when the same area is stimulated simultaneously by two separate sensations or stimuli (that is, light touch and pain); a type of central pain.

sum·ma·tion hy·per·path·i·a

(sŭ-māshŭn hīpĕr-pathē-ă)
Exaggerated central pain response that occurs only when same area is stimulated simultaneously by two separate sensations or stimuli (i.e., light touch and pain).