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