Table 2.
BOLD response, CBF response, Flow-consumption ratios (n=rCBF/rCMRO2), and CMRO2 changes (all in percent) measured during finger tapping, (mean ± standard error).
| Subject | BOLD | CBF | nFusion | nHypercapnia | CMRO2,fusion | rCMRO2,hypercapnia |
|---|---|---|---|---|---|---|
| 1 | 0.66 ± 0.04 | 62 ± 3 | 1.2 | 1.4 | 50 ± 2 | 44.0 ± 3 |
| 2 | 0.50 ± 0.03 | 45 ± 2 | 1.2 | 1.5 | 37 ± 2 | 29.4 ± 3 |
| 3 | 0.40 ± 0.02 | 53 ± 3 | 1.4 | 1.5 | 38 ± 3 | 35.0 ± 3 |
| 4 | 0.80 ± 0.16 | 45 ± 3 | 1.4 | 1.8 | 32 ± 3 | 24.8 ± 4 |
| 5 | 0.66 ± 0.06 | 31 ± 2 | 2.2 | 2.3 | 14 ± 2 | 13.4 ± 2 |
| 6 | 0.35 ± 0.03 | 36 ± 3 | 1.5 | 2.0 | 25 ± 2 | 18.2 ± 3 |
| 7 | 0.54 ± 0.05 | 26 ± 2 | 1.5 | 1.6 | 17 ± 1 | 16.7 ± 2 |
| 8 | 0.31 ± 0.03 | 19 ± 3 | 1.6 | 1.9 | 12 ± 2 | 9.8 ± 3 |
| Mean + Std | 0.53 ± 0.17 | 40 ± 14 | 1.5 ± 0.3 | 1.8 ± 0.3 | 28 ± 13 | 24 ± 12 |