Do we really understand the role of the prefrontal cortex in placebo analgesia?

Several reviews have strongly implicated prefrontal cortical engagement in expectation-based placebo analgesia. We recently found a robust placebo analgesic response and associated decreases in pain-related cortical activations, without observable prefrontal engagement. We hypothesized our substantial conditioning and weak verbal instructions diminished expectation-related prefrontal activation….

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Source: bioRxiv
Categories: General Medicine Journals and Societies, Latest Headlines
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