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. 2011 Nov 29;34(3):738–752. doi: 10.1002/hbm.21471

Table III.

Areas of increased activity associated with placebo analgesia during stage 1a

Cluster no. Volume (mm3) X Y Z Hemisphere Label BA
1 520 38 0 32 R Precentral gyrus 6
2 328 −8 38 −2 L rACC
3 248 −6 22 30 L Anterior mid‐cingulate 32
4 80 26 44 0 R Lateral prefrontal cortex 10
5 64 −2 −26 −10 L PAG

aStage 1 (prestimulation pain expectation).

L, left; R, right; BA, Brodmann area; PAG, periaqueductal gray; rACC, rostral anterior cingulate.