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Spinal modulation of nociception by music.
M Roy1, A Lebuis, L Hugueville
1BRAMS Laboratory, Department of Psychology, University of Montreal, Canada. mathieuroy311@gmail.com
European Journal of Pain (London, England)
|February 17, 2012
Summary
Unpleasant music increased pain perception and the nociceptive flexion reflex (RIII), suggesting descending pain modulation by musical emotions. Music
Area of Science:
- Neuroscience
- Psychology
- Pain Research
Background:
- Music is known to modulate pain perception.
- The underlying neurophysiological mechanisms are not fully understood.
- Descending pain modulatory pathways are implicated.
Purpose of the Study:
- To investigate the role of descending modulatory mechanisms in music-induced pain modulation.
- To examine the effects of music conveying different emotions on pain processing.
- To assess the influence of music arousal on pain.
Main Methods:
- Evaluation of the spinally mediated nociceptive flexion reflex (RIII).
- Measurement of pain ratings and skin conductance responses.
- Exposure to musical excerpts with varying emotional content (pleasant-stimulating, pleasant-relaxing, unpleasant-stimulating).
Main Results:
- The RIII reflex and pain ratings were significantly higher during unpleasant music compared to pleasant music.
- No significant differences in pain processing were observed between pleasant-stimulating and pleasant-relaxing music conditions.
- These findings suggest the involvement of descending pain-modulatory pathways.
Conclusions:
- Musical emotions, particularly unpleasantness, influence pain perception via descending pain modulation.
- The arousal level of music appears to have a minimal impact on pain processing.
- Further research into the neurophysiological basis of music and pain interaction is warranted.
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