Further evidence that chronic pain is essentially different from short-term pain, by showing that such pain is processed in a separate region of the brain.
The electrodes specifically targeted the OFC and the ACC, since prior studies had found that both regions light up during acute pain experiments, Shirvalkar said.
The patients then clicked a remote-control device that recorded their brain activity for about 30 seconds, providing a snapshot to compare to their self-reported pain, Shirvalkar said. “We learned that chronic pain can successfully be tracked, can actually successfully be predicted in the real world while patients aretheir dog, while patients are at home, when they get up in the morning, when they're going about their lives,” Shirvalkar said. “We actually developed an objective biomarker for that type of pain.”
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