Table 1 Sample size (N), Mean, Standard Error of the Mean (SEM), and 95% Confidence Interval (CI) of Experience, Expressivity, and Physiological Arousal to Negative and Positive Images seen in the Unregulated condition

Experience (/100)

65

41.25

2.21

[36.84; 45.67]

41.24

1.84

[37.57; 44.91]

Expressivity (EMG, %baseline)

65

150.76

8.42

[133.94; 167.58]

152.66

6

[40.67; 164.65]

Heart Rate (Δbpm)

65

−1.67

0.2

[−2.07; −1.27]

−1.47

0.22

[−1.90; − 1.04]

Skin Conductance Level (ΔμS)

56

−0.04

0.014

[− 0.07; 0.01]

− 0.07

0.01

[− 0.09; − 0.04]

Respiratory Rate (Δc/min)

65

− 0.07

0.05

[− 0.18; 0.03]

0.10

0.05

[0.00; 0.20]

Respiratory Amplitude (ΔmV)

65

−0.03

0.019

[−0.064; 0.014]

− 0.02

0.019

[− 0.056; 0.019]