Table 6.
Result of correlation analysis between psycho-physiological indicators and principal component scores.
| Indicators | PC1 | PC2 | PC3 | |
|---|---|---|---|---|
| Emotion | Vitality level | 0.27 | 0.12 | −0.27 |
| Stability level | 0.16 | 0.08 | −0.09 | |
| Pleasure level | 0.36 | 0.19 | −0.26 | |
| Arousal level | 0.16 | 0.05 | −0.17 | |
| Autonomic nervous activity | RR (ms) | 0.26 | −0.04 | 0.15 |
| HR (bpm) | −0.26 | 0.04 | −0.15 | |
| SDNN (ms) | −0.31 | 0.46 * | 0.03 | |
| RMSSD (ms) | 0.19 | 0.48 * | 0.12 | |
| SDNN/RMSSD | −0.42 | −0.22 | −0.07 | |
| LF (ms2) | −0.37 | 0.49 * | −0.12 | |
| HF (ms2) | 0.26 | 0.37 | 0.10 | |
| LF/HF | −0.29 | 0.16 | −0.16 | |
| Hormone | Oxytocin (pg/mL) | 0.00 | −0.02 | 0.12 |
| Cortisol (ng/mL) | −0.16 | 0.17 | 0.01 | |
The numbers in the table show Spearman’s correlation coefficients. * p < 0.05. p values smaller than 0.05 are shown in bold.