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Table 1 Measured physiological parameters and subjective evaluation

From: The physiological effects of Shinrin-yoku (taking in the forest atmosphere or forest bathing): evidence from field experiments in 24 forests across Japan

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