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. 2019 Feb 28;12:841–850. doi: 10.2147/JPR.S189390

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© 2019 Xiang et al. This work is published and licensed by Dove Medical Press Limited

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Map of brain functional changes before and after AA.

Notes: Brain areas showing increased (red and yellow) and decreased (blue) ALFF during ankle acupuncture (rest₂) contrast to those showing changes after tactile stimulation (rest₁) with GRF threshold (voxel-wise P<0.05, cluster-wise P<0.05, and two-tailed testing).

Abbreviations: AA, ankle acupuncture; ALFF, amplitude of low-frequency fluctuation; GRF, Gaussian random field.