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Calculated values visual cortex (VC) for younger (n = 9) and older subjects (n = 8) for a region of interest based on positive CBF ROI (mean ± standard error)
| Fractional change in % CMRO2 with activation | n | M (%) | |
|---|---|---|---|
| Younger (21‐ to 35‐years‐old) | 32.3 ± 5.4 | 2.3 ± 0.2 | 6.5 ± 0.8 |
| Older (45‐ to 60‐years‐old) | 32.1 ± 4.6 | 2.2 ± 0.1 | *4.6 ± 0.4 |
P < 0.04.
