TABLE 2.
Mean Facereader valence (2A) and electromyography delta (2B, standard deviations in parenthesis, 95% confidence intervals in square brackets, difference to baseline in arbitrary units [AU] or millivolt [mV]), separately for time windows and stimulus categories.
(2A) Facereader Valence [AU] | ||||||
Pleasant | Neutral | Unpleasant | F (2,84) | p-value | η2 | |
1st second | 0.11 (2.39) [−0.58; 0.83] | 0.41 (3.15) [−0.46; 1.38] | 0.60 (3.55) [−0.29; 1.77] | 0.63 | 0.536 | 0.02 |
2nd second | 0.46 (3.58) [−0.59; 1.52] | 0.55 (5.62) [−1.12; 2.20] | 0.14 (6.82) [−1.77; 2.32] | 0.20 | 0.200 | 0.01 |
3rd second | 2.10 (5.42) [0.55; 3.79] | −0.36 (6.28) [−2.26; 1.43] | −1.02 (8.04) [−3.33; 1.51] | 5.76 | 0.005 | 0.12 |
4th second | 3.00 (7.20) [0.96; 5.28] | −0.78 (6.73) [−2.80; 1.20] | −1.87 (7.97) [−4.08; 0.69] | 9.05 | <0.001 | 0.18 |
5th second | 2.26 (7.08) [0.30; 4.56] | −1.87 (5.52) [−3.51; −0.22] | −2.91 (5.81) [−4.57; −1.14] | 9.40 | <0.001 | 0.18 |
(2B) Electromyography Delta [mV] | ||||||
Pleasant | Neutral | Unpleasant | F (2,84) | p-value | η2 | |
1st second | 0.32 (1.20) [0.00; 0.71] | −0.17 (0.81) [−0.40; 0.07] | −0.77 (0.91) [−1.05; −0.51] | 21.83 | <0.001 | 0.34 |
2nd second | 1.54 (3.42) [0.64; 2.65] | −0.19 (1.31) [−0.57; 0.19] | −1.41 (1.87) [−1.97; −0.88] | 17.10 | <0.001 | 0.29 |
3rd second | 1.81 (4.43) [0.64; 3.24] | −0.14 (1.74) [−0.65; 0.39] | −1.10 (1.80) [−1.67; −0.58] | 13.44 | <0.001 | 0.24 |
4th second | 1.59 (3.69) [0.58; 2.75] | 0.05 (1.43) [−0.38; 0.47] | −0.82 (1.76) [−1.37; −0.33] | 12.02 | <0.001 | 0.22 |
5th second | 1.34 (2.75) [0.60; 2.23] | 0.31 (1.52) [−0.12; 0.77] | −0.42 (1.62) [−0.92; 0.04] | 8.92 | <0.001 | 0.18 |
Statistics correspond to ANOVA effects of the stimulus category.