Table 2 Effects of CL on HR and HRV indices.
From: Heart rate dynamics for cognitive load estimation in a driving simulation task
Window | Metric | Comparison | CL effect | t(891)* | p | Cohen’s d |
|---|---|---|---|---|---|---|
30 s | Mean IBI | Highway vs. Highway + Nback | ↓ | 22.719 | 0.000 | 0.24 |
Urban vs. Urban + Nback | ↓ | 4.506 | 0.000 | 0.06 | ||
Highway vs. Urban | ↓ | 32.046 | 0.000 | 0.48 | ||
SDNN | Highway vs. Highway + Nback | ↓ | 9.927 | 0.000 | 0.18 | |
Urban vs. Urban + Nback | ↓ | 4.120 | 0.000 | 0.08 | ||
Highway vs. Urban | NA | -1.709 | 0.088 | NA | ||
RMSSD | Highway vs. Highway + Nback | ↓ | 6.146 | 0.000 | 0.10 | |
Urban vs. Urban + Nback | NA | 1.485 | 0.138 | NA | ||
Highway vs. Urban | ↓ | 6.605 | 0.000 | 0.15 | ||
HF | Highway vs. Highway + Nback | NA | -1.028 | 0.304 | NA | |
Urban vs. Urban + Nback | NA | -1.306 | 0.192 | NA | ||
Highway vs. Urban | NA | -1.308 | 0.191 | NA | ||
30 IBIs | Mean IBI | Highway vs. Highway + Nback | ↓ | -22.077 | 0.000 | 0.25 |
Urban vs. Urban + Nback | ↓ | -4.453 | 0.000 | 0.06 | ||
Highway vs. Urban | ↓ | -31.974 | 0.000 | 0.49 | ||
PermEn | Highway vs. Highway + Nback | ↑ | 9.864 | 0.000 | 0.25 | |
Urban vs. Urban + Nback | ↑ | 2.904 | 0.004 | 0.07 | ||
Highway vs. Urban | ↑ | 4.441 | 0.000 | 0.13 | ||
SampEn | Highway vs. Highway + Nback | ↑ | 2.944 | 0.003 | 0.10 | |
Urban vs. Urban + Nback | NA | -0.322 | 0.748 | NA | ||
Highway vs. Urban | ↓ | -7.311 | 0.000 | 0.27 | ||
100 s | Mean IBI | Highway vs. Highway + Nback | ↓ | 21.458 | 0.000 | 0.24 |
Urban vs. Urban + Nback | ↓ | 3.471 | 0.001 | 0.05 | ||
Highway vs. Urban | ↓ | 30.862 | 0.000 | 0.47 | ||
SDNN | Highway vs. Highway + Nback | ↓ | 2.664 | 0.008 | 0.06 | |
Urban vs. Urban + Nback | NA | -0.004 | 0.996 | NA | ||
Highway vs. Urban | ↑ | -8.111 | 0.000 | 0.22 | ||
RMSSD | Highway vs. Highway + Nback | NA | 1.385 | 0.166 | NA | |
Urban vs. Urban + Nback | NA | -0.767 | 0.443 | NA | ||
Highway vs. Urban | ↓ | -4.276 | 0.000 | 0.12 | ||
LF | Highway vs. Highway + Nback | NA | 0.983 | 0.326 | NA | |
Urban vs. Urban + Nback | NA | -0.793 | 0.428 | NA | ||
Highway vs. Urban | NA | 0.951 | 0.342 | NA | ||
HF | Highway vs. Highway + Nback | NA | 0.993 | 0.321 | NA | |
Urban vs. Urban + Nback | NA | 0.507 | 0.612 | NA | ||
Highway vs. Urban | NA | 0.955 | 0.340 | NA | ||
LF/HF | Highway vs. Highway + Nback | NA | 1.929 | 0.054 | NA | |
Urban vs. Urban + Nback | NA | 0.473 | 0.637 | NA | ||
Highway vs. Urban | ↑ | -5.737 | 0.000 | 0.20 | ||
90 IBIs | Mean IBI | Highway vs. Highway + Nback | ↓ | -21.430 | 0.000 | 0.24 |
Urban vs. Urban + Nback | ↓ | -3.929 | 0.000 | 0.05 | ||
Highway vs. Urban | ↓ | -31.118 | 0.000 | 0.48 | ||
PermEn | Highway vs. Highway + Nback | ↑ | 10.724 | 0.000 | 0.27 | |
Urban vs. Urban + Nback | ↑ | 2.962 | 0.003 | 0.07 | ||
Highway vs. Urban | ↑ | 7.447 | 0.000 | 0.21 | ||
SampEn | Highway vs. Highway + Nback | ↑ | 3.246 | 0.001 | 0.10 | |
Urban vs. Urban + Nback | NA | 1.881 | 0.060 | NA | ||
Highway vs. Urban | ↓ | -14.262 | 0.000 | 0.48 |
