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) |
|---|---|---|---|
| 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 | |