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Table 2 Brain Region of activities related to Minimal(MI-EA) and Optimal(OI-EA) intensities of EA (Rt: right; Lt: Left; SI: Primary somatosensory cortex; SII: Secondary Somatosensory cortex)

From: The analgesic effect of electroacupuncture on acute thermal pain perception-a central neural correlate study with fMRI

EA Intensity Mode Regions of Activities
(Peak t-value)
BA (cluster size) Peak coordinate
x, y, z
  Activation
MI-EA Rt. Inferior frontal cortex (14.92) 44(3453) 47,10,1
  Rt. Dorsal lateral prefrontal cortex(10.71) 46(3233) 45,13,21
  Rt. Caudate Nucleus(6.40) (270) 17,3,0
  Lt. inferior frontal lobe(6.98) 44 (1514) -31,22,12
  Deactivation
MI-EA Rt. SI (-5.15) 1(324) 29,-35,48
  Rt. SII (-5.37) 5(374) 17,-42,51
  Rt. Thalamus (-5.02) (627) 4,-3,10
  Rt. cingulate cortex (-4.12) 31(15465) -13,-47,33
  Rt. Frontal lobe(-4.57) 9(591) 11,55,42
  Lt. Frontal lobe(-8.13) 31(8778) -7,-70,21
  Rt.SII(-4.81) 7(520) 14,-58,36
  Rt. Frontal lobe(-4.37) 10(272) 5,67,27
  Lt. Frontal lobe(-4.76) 10(325) -4,67,9
  Lt. SII(-4.59) 7(277) -7,-63,48
  Lt. Frontal lobe(-5.10) 10(540) -10,56,37
  Activation
OI-EA No significant finding
  Deactivation
OI-EA Rt. SII(-4.70) 7(273) 38,-68,57
  Lt. Anterior cingulate cortex(-4.20) 32(565) -10,28,17
  Lt. Premotor cortex(-4.74) 8(2240) -13,31,45
  Lt. Premotor cortex (-5.45) 6(420) -25, 13,57
  Lt. Raphe nucleus(-5.77) (1156) -1,-20,-15
  Lt. Parietal lobe(-4.41) 39 (374) -55,-47,48
  Rt. Amygdala (-5.512) (248) -68,-75,15
  Lt. Amygdala (-4.91) (173) -43,-11,-36