Electrophysiological data according to emotional state
| Neutral | Positive | Negative | ||||
|---|---|---|---|---|---|---|
| F3 | F4 | F3 | F4 | F3 | F4 | |
| Resonant frequency (Hz), mean ± SD | 6.14 ± 2.23 | 5.82 ± 2.61 | 5.80 ± 2.02 | 6.30 ± 2.32 | 5.42 ± 1.61 | 5.12 ± 1.60 |
| Resonant frequency (Hz), range | 3–12.5 | 3.5–14 | 3–11.5 | 4–12.5 | 3–9 | 3–10.5 |
| Resonant frequency prominence (μV2/Hz), mean ± SD | 0.063 ± 0.060 | 0.082 ± 0.064 | 0.061 ± 0.072 | 0.045 ± 0.047 | 0.074 ± 0.062 | .107 ± 0.093 |
| Resonant frequency PSD (μV2/Hz), mean ± SD | 0.070 ± 0.066 | 0.084 ± 0.062 | 0.073 ± 0.070 | 0.058 ± 0.049 | 0.088 ± 0.074 | 0.112 ± 0.087 |
| Heart rate (beats/min), mean ± SD | 141.11 ± 12.08 | 136.44 ± 9.56 | 155.62 ± 12.42 | |||
The resonant frequency was defined as the most prominent peak in the 3–15 Hz range.