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

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/ecam/volume-2015/671094/figures/671094.fig.001a.svgz" name="671094.fig.001a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Urban environment</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/ecam/volume-2015/671094/figures/671094.fig.001b.svgz" name="671094.fig.001b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Forest environment</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/ecam/volume-2015/671094/figures/671094.fig.001c.svgz" name="671094.fig.001c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Difference (urban-forest)</td></tr></table>

<div>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.</div>

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Figure 1

Figure 1: Analysis of Individual Variations in Autonomic Responses to Urban and Forest Environments 