Table 5.
Indexes used for the estimation of ImitationEffectiveness and AdoptionFraction.
| Sensor | Index code | Index explanation |
|---|---|---|
| EMG | EMG-Z | Facial Electromyography zygomatic index |
| EMG | EMG-CS | Facial Electromyography corrugator index |
| GSR | SC_Mean | Mean value of Skin Conductance extracted from GSR |
| RSP | RSP_Amp | Respiration amplitude mean |
| RSP | RSP_Period | Respiration period mean |
| ECG + RSP | RSA | Respiratory sinus arrhythmia index |
| ECG | LFbyHF | LF/HF Ratio of low to high frequency power (Sympathovagal balance) |
| ECG | HF | HF Total spectral power of all NN intervals between 0.15 and 0.4 Hz |
| ECG | LF | LF Total spectral power of all NN intervals between 0.04 and 0.15 Hz |
| ECG | TOTPWR | Total spectral power of all NN intervals up to 0.04 Hz |
| ECG | pNN50 | Percentage of differences between adjacent NN intervals that are greater than 50 ms |
| ECG | rMSSD | Square root of the mean of the squares of differences between adjacent NN intervals |
| ECG | SDNN | Standard deviation of all NN intervals |
| ECG | AVNN | Average of all NN intervals |
| EEG | Alpha | Spectral power of EEG in the range 8–12 Hz |
| EEG | Beta | Spectral power of EEG in the range 13–30 Hz |
| EEG | EEG_Asym | EEG activation asymmetry measured as prevalence of alpha waves in the right hemisphere |
| Self-report | SUS_Post-Bas | Slater-Usoh-Steed Presence Questionnaire (SUS) [POST STIMULUS-BASELINE] (to check presence existence) |
| Self-report | PMQ_Anxiety_Post-Pre | Post Media Questionnaire (PMQ-ANXIETY SCALE) [POST STIMULUS-PRE STIMULUS] |
| Self-report | PMQ_Relax _Post-Pre | Post Media Questionnaire (PMQ-RELAX SCALE) [POST STIMULUS-PRE STIMULUS] |