Sometimes just watching hurts -- and the signs of pain are seen in the brain

(Aalto University) Some people claim to experience pain just watching something painful to happen. In complex regional pain syndrome (CRPS) patients, both own movements and observing other persons' movements may aggravate the pain. Researchers found that when CRPS patients feel pain caused by observing other person's movements, their brains display abnormal activation in many areas that respond to normal physical pain. Thus the pain the CRPS patients felt during movement observation presented si...