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Stuart Derbyshire on I feel your pain



The 2024 Global Year will examine what is known about sex and gender differences in pain perception and modulation and address sex-and gender-related disparities in both the research and treatment of pain.

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This post was chosen as an Editor's Selection for ResearchBlogging.org Several studies have demonstrated that people can share in the emotion of someone else’s pain. Typically, when seeing someone else injured, there is a tendency to share in the aversion and feel the unpleasantness of what is going on. But there have also been a few cases of people reporting not just a shared emotional experience but also a shared somatic experience. A patient with neuropathic pain, for example, reported feeling a painful flare when seeing his wife cut herself with a knife. We reasoned that there might be a small number of healthy people who might also feel the somatic component of someone else’s pain. We were surprised to find that around 30% of our undergraduate sample reported a definite pain experience when seeing someone else in pain. We took considerable steps to ensure that they weren’t just reporting a strong sense of unpleasantness or some sort of visceral, gut, reaction.

The imaging study clinched the findings. fMRI scans of the responders confirmed the involvement of sensory parts of the brain as while as emotional regions while fMRI scans of the non-responders revealed only emotional regions. Those findings confirm that the responders do have a somatic reaction to seeing others in pain, which means that they actually feel the pain physically and not just metaphorically. We are now interested in finding out more about the responders and what makes them respond. We are also interested in investigating whether patients with functional pain, that is pain without any obvious physical cause, show similar kinds of responses.

Dr Stuart DerbyshireDr Stuart Derbyshire is Senior lecturer at the School of Psychology, University of Birmingham, UK

Pain sensation evoked by observing injury in others

Jody Osborn and Stuart W.G. Derbyshire

Observing someone else in pain produces a shared emotional experience that predominantly activates brain areas processing the emotional component of pain. Occasionally, however, sensory areas are also activated and there are anecdotal reports of people sharing both the somatic and emotional components of someone else’s pain. Here we presented a series of images or short clips depicting noxious events to a large group of normal controls……
….In contrast with emotional images not containing noxious events the responders activated emotional and sensory brain regions associated with pain while the non-responders activated very little. These findings provide convincing evidence that some people can readily experience both the emotional and sensory components of pain during observation of other’s pain resulting in a shared physical pain experience.
For the full article see Osborn, J., & Derbyshire, S. (2009). Pain sensation evoked by observing injury in others. Pain. DOI: 10.1016/j.pain.2009.11.007.
Stuart Derbyshire (2009). Stuart Derbyshire on I feel your pain BodyInMind

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