Table 2.
Reading duration, EEG, eye tracking, EDA and HRV parameters in second and third grade—significant p values are marked as bold.
| Parameters | Grade | p Value * | |
|---|---|---|---|
| Second (n = 12) | Third (n = 12) | ||
| Reading duration | |||
| RD (s) | 43.38 ± 25.32 | 49.07 ± 27.63 | 0.628 |
| EEG parameters (median power band) | |||
| Alpha (μV2) | 13.19 ± 5.15 | 5.63 ± 4.28 | 0.001 |
| Beta (μV2) | 6.05 ± 2.81 | 3.33 ± 2.40 | 0.018 |
| Delta (μV2) | 64.45 ± 20.47 | 71.85 ± 63.54 | 0.707 |
| Theta (μV2) | 16.07 ± 7.14 | 8.35 ± 7.67 | 0.018 |
| Whole Range (μV2) | 113.3 ± 38.5 | 97.2 ± 80.5 | 0.540 |
| Eye tracking parameters | |||
| Fixation Count | 38.25 ± 19.62 | 35.00 ± 9.66 | 0.620 |
| Fixation Frequency (count/s) | 1.01 ± 0.36 | 0.99 ± 0.67 | 0.925 |
| Fixation Duration Total (s) | 40.87 ± 25.01 | 46.22 ± 26.32 | 0.631 |
| Fixation Duration Average (ms) | 1088.2 ± 542.9 | 1331.5 ± 730.9 | 0.381 |
| Saccade Count | 34.92 ± 19.16 | 28.70 ± 5.23 | 0.301 |
| Saccade Frequency (count/s) | 0.95 ± 0.38 | 0.86 ± 0.65 | 0.686 |
| Saccade Duration Total (ms) | 741.3 ± 449.4 | 680.0 ± 276.7 | 0.711 |
| Saccade Duration Average (ms) | 20.93 ± 2.76 | 23.22 ± 5.61 | 0.227 |
| EDA value | |||
| EDA (μS) | 9.41 ± 3.49 | 6.20 ± 4.38 | 0.060 |
| HRV parameters | |||
| Mean RR (ms) | 637.4 ± 59.8 | 680.5 ± 114.4 | 0.264 |
| SDNN (ms) | 35.14 ± 11.95 | 66.11 ± 46.15 | 0.043 |
| CVRR (n.u.) | 0.06 ± 0.02 | 0.10 ± 0.05 | 0.021 |
| Mean HR (beats/min) | 94.87 ± 8.69 | 90.26 ± 13.75 | 0.337 |
| STD HR (beats/min) | 5.12 ± 1.54 | 8.40 ± 3.85 | 0.016 |
| RMSSD (ms) | 42.50 ± 17.42 | 84.94 ± 74.74 | 0.079 |
| NN50 (beats) | 12.42 ± 9.44 | 19.67 ± 16.43 | 0.298 |
| pNN50 (%) | 23.40 ± 18.34 | 36.30 ± 25.88 | 0.236 |
* independent sample t test.