Table 2.
Descriptive analysis on face processing characteristics among infants (mean, SD).
| Neutral | Unpleasant | Pleasant | F, P | |
|---|---|---|---|---|
| Fixation duration on whole face | 2.42 (1.02) | 2.45 (1.15) | 2.34 (1.01) | 0.78 (0.460) |
| Fixation duration on eye area (s) | 0.61 (0.77) | 0.59 (0.76) | 0.65 (0.65) | 4.12 (0.019)a |
| Fixation duration on mouth area | 0.19 (0.27) | 0.28 (0.34) | 0.32 (0.40) | 1.51 (0.225)a |
| Eye/mouth ratio | 0.63 (0.36) | 0.57 (0.38) | 0.60 (0.38) | 1.66 (0.195) |
| Pupil size change 0–2 s (mm) | −0.25 (0.16) | −0.25 (0.14) | −0.32 (0.18) | 11.30 (<0.001) |
| Pupil size change 2–5 s (mm) | −0.07 (0.18) | −0.12 (0.15) | −0.13 (0.19) | 3.39 (0.037) |
| Pupil size change 0–5 s (mm) | −0.14 (0.15) | −0.17 (0.14) | −0.20 (0.17) | 4.83 (0.010) |
aStatistical analysis was conducted on log-transformed data.
Significant results are marked in bold.