Autonomic nervous activity | Pulse rate, systolic blood pressure, diastolic blood pressure |
Heart rate variability (HRV) HF component (parasympathetic nervous activity) LF/HF or LF/(LF + HF) (sympathetic nervous activity) | |
Endocrine system activity | Salivary cortisol concentration |
Immune system activity | Salivary immunoglobulin A concentration |