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Neuroscience

Unbearable lightness of touch

Following inflammation or nerve injury, stimuli that are normally perceived as innocuous can evoke persistent pain. A population of neurons that contributes to this syndrome has now been identified.

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Figure 1: Schematic view of peripheral sensory neurons terminating in the spinal-cord dorsal horn.

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Drew, L., MacDermott, A. Unbearable lightness of touch. Nature 462, 580–581 (2009). https://doi.org/10.1038/462580a

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