A new technique could relieve pain for individuals with various chronic and neurological conditions. Researchers have found that electrical stimulation of the body combined with sound activates the brain’s somatosensory or “tactile” cortex, increasing the potential for using the technique to trea
A University of Minnesota Twin Cities-led team has found that electrical stimulation of the body combined with sound activates the brain’s somatosensory cortex, increasing the potential for using the technique to treat chronic pain and other sensory disorders.
In their experiments, the researchers used needle stimulation. However, similar results could be achieved using electrical stimulation devices, such as transcutaneous electrical nerve stimulation units. These are widely available for anyone to buy at pharmacies and other stores. The scientists hope that their results will lead to a therapy for chronic pain that’s safer and more accessible than drug treatments.
“A lot of people have been using acupuncture or electrical stimulation—non-invasive or invasive—to try to alter brain activity for pain,” said Hubert Lim, senior author on the paper and a professor in the University of Minnesota Twin Cities Department of Biomedical Engineering and Department of Otolaryngology. “Our research shows that when you combine this with sound, the brain lights up even more.
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