PET Scans And Saxitoxin Allow Researchers To "See" Pain, Stanford University Study

Published: Dec 18, 2013

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Scientists have long struggled to understand the science behind pain. At present, most diagnoses rely on subjective methods, such as self-reporting from patients and physical examinations. But there is currently no existing method of measuring pain intensity objectively. Pain is always a subjective experience, as no one really knows how much pain another person is feeling. What one person describes as agonizing, another may call excruciating.

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