Table 2 Summary of psycho-physiological measurements results without outliers (Subject 1 and Subject 8)
Visual | Auditory | AudioVisual | Description | |
|---|---|---|---|---|
feedback (VF) | feedback (VF) | feedback (VF) | ||
NASA TLX | AF < VF | AF > AVF | VF >AVF** | Significantly higher perceived workload in VF modality followed very closely by the AF modality |
Alpha Band | AF > VF** | AF > AVF** | VF < AVF* | Significantly higher attentional demand in VF modality |
Beta Band | AF > VF | AF < AVF | VF < AVF | Similar cognitive demand in all modalities. |
HR | AF < VF | AF > AVF* | VF > AVF* | Significant Higher Task difficulty and attentional demand in VF modality |
HRV | AF > VF | AF > VF | VF < AVF | No significant difference were found between modalities |
SCL | AF < VF | AF < VF | VF < AVF | No significant arousal during the tests |
SCR | AF < VF | AF < VF | VF < AVF | No significant arousal during the tests |
Respiration Rate | AF > VF** | AF > AVF** | VF < AVF | Couldn’t be related to mental effort |