Fig. 2
From: Contagious itch can be induced in humans but not in rodents
Pain video paradigm failed to induce contagious pain in mice. a Pain-related behavior (continuous licking and biting the paw in which formalin was injected, left) and control (right) displayed in the video. b In four iPads paradigm, the video of pain-related behavior failed to induce pain related behavior in observer mice compared with those watched normal behavior of demonstrator mouse (p = 0.50, n = 12 for each group, Student’s t-test)