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| HRV component | Rest | Stroop |
|---|---|---|
| lnHF | 5.53 ± 0.7 | 5.18 ± 0.17* |
| lnLF/HF | 1.32 ± 0.54 | 1.80 ± 0.53* |
| lnVLF | 7.87 ± 0.94 | 7.13 ± 0.58* |
Values are expressed as means ± standard deviation.
* p < 0.05 vs. rest (paired t-test).
ln = natural logarithm; HF = high-frequency component; LF = low-frequency component; VLF = very low-frequency component.
