Table 1. Percent HP 129Xe signal change in four brain regions*.
Cingulate | SS1 fl | SS1 | SS2 | |
A1 | 76.72 | 6.19 | 16.45 | 12.33 |
A2 | 40.70 | 42.69 | 27.65 | 5.05 |
A3 | 31.37 | 112.59 | 67.93 | −14.07 |
A4 | −26.07 | −15.06 | 0.44 | 106.17 |
A5 | 23.23 | −9.31 | 0.32 | −24.77 |
A6 | 22.82 | 24.87 | 21.71 | 4.32 |
*Measured from regions of interest (ROIs) in hemisphere contralateral to pain stimulus.