General anesthetics during surgery are presumed to block pain by dampening brain activity and promoting loss-of-consciousness. A new study shows that anesthetics activate an endogenous analgesia neural ensemble in the central nucleus of the amygdala.
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McCall, N.M., Wojick, J.A. & Corder, G. Anesthesia analgesia in the amygdala. Nat Neurosci 23, 783–785 (2020). https://doi.org/10.1038/s41593-020-0645-3
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DOI: https://doi.org/10.1038/s41593-020-0645-3