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Title
Pain: Deep, deep in your head.
Abstract
The article cites a study which examines the brain image of volunteers given a sham ointment to relieve a mild burning pain. It highlighted that half of the subject had been treated with naloxone, a chemical that blocks opioid signalling. The researchers found that placebo-related brain activity occurs in the prefrontal cortex and more hard-wired areas, such as the amygdala, hypothalamus and parts of the brainstem.