British researchers used brain-imaging technology (影像工程学) to show that people who say they feel the pain of others have heightened activity in pain- sensing brain regions when they see someone else being hurt. For the study, the researchers exposed 108 college students to images of painful situation, ranging from athletes suffering sports injuries to patients receiving an injection. Nearly a third said that, for at least one image, they not only had an emotional reaction, but also felt pain in the same site as the injury in the image.

　　The researchers found that while viewing the painful images, both people who said they felt pain and those who did not showed activity in the emotional centers of the brain. But those who felt pain showed greater activity in pain-related brain regions compared with the others.

　　“Patients with functional pain experience pain in the absence of an obvious disease or injury to explain their pain. This confirms that at least some people have an actual physical reaction when observing others being injured or expressing pain,” Dr. Stuart Derbyshire of the University of Birmingham, one of the researchers, told reporters.

　　He noted that the people reported feeling pain also tended to say that they avoided horror movies and disturbing images on the news – so as to avoid being in pain.

　　The findings were published in the December issue of the journal Pain.

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