Evidence-Based Complementary and Alternative Medicine / 2015 / Article / Fig 1

Research Article

Analysis of Individual Variations in Autonomic Responses to Urban and Forest Environments

Figure 1

Histograms showing the high frequency component (lnHF) of heart rate variability in urban and forest environments. (a) lnHF at urban sites, (b) lnHF at forest sites, and (c) difference in lnHF between urban and forest sites.
(a) Urban environment
(b) Forest environment
(c) Difference (urban-forest)

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