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Table 3 Brain regions of activities related to Heat Pain given under Minimal and Optimal intensities of EA(MI-EA: minimal intensity electrical acupuncture; OI-EA: optimal intensity electrical acupuncture; Rt: Right; Lt: Left)

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

EA Intensity Regions of Activities (Peak t-value) BA (cluster size) Peak coordinate (x, y, z)
  Activation
MI-EA Lt. Dorsal lateral prefrontal cortex (3.908) 46(618) -33,58,21
  Rt. Caudate Nucleus (2.003) (647) 8, 6, 15
  Rt. Prefrontal Cortex (2.211) 10 (381) 28,49,27
  Rt. Frontal lobe (4.868) 47(298) 41,31,-9
  Rt. Visual Cortex (5.618) 19 (515) 50,-62,6
  Lt. Visual Cortex (3.096) 19 (2090) -57,-59,27
  Rt. Limbic Area (1.459) 29(506) 5,-26,-9
  Activation
OI-EA Rt. Premotor (8.225) 44(4703) 47,10,-3
  Rt. Parietal Cortex (3.144) 39(921) 56,-44,24
  Rt. Occipital Cortex (2.194) 37(559) 56,-44,0
  Deactivation
OI-EA Lt. Secondary Visual Cortex (-2.289) 18(682) 26,-95,-12
  Lt. Secondary Visual Cortex (-3.498) 18(736) -4,-77,24
  Lt. Premotor Cortex (-1.228) 8(595) -19,25,33
  Lt. Premotor Cortex (-1.776) 6(421) -22,7,39
  Lt. SI (-1.699) 3 (416) -28,-17,48
  Lt. SII (-1.645) 7(334) -37,-38,33