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Official Journal of the Japan Wood Research Society

Fig. 5 | Journal of Wood Science

Fig. 5

From: Physiological effects of touching hinoki cypress (Chamaecyparis obtusa)

Fig. 5

Thirty-second averages and overall mean of the natural logarithm of the high-frequency (HF) component of heart rate variability (HRV) while touching hinoki or marble materials. a Changes in each 30-s average HF value over 90 s. b Overall mean HF values. Data are expressed as means ± standard error, n = 22, *p < 0.05 (comparing hinoki vs. marble materials) as determined by the paired t test (one sided); the Holm correction was applied

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