Heart rate variability results of Experiment 2.

<p>The acoustic stimuli decreased most of the heart rate variability parameters compared to silence, thus generally reproducing the results of Experiment 1. Note the similar results of the slow (90 bpm) and fast (120 bpm) versions of pleasant music and unpleasant music. This indicates that such a tempo difference does not entrain different heart rate variability. <i>Lg</i>: indicates logarithmized data where transformation was applied; <i>Pleasant</i>: pleasant music; <i>Unpleas</i>.: unpleasant music; *: <i>p</i> < .05; **: <i>p</i> < .01; ***: <i>p</i> < .001. For description of HRV parameters see <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0126224#pone.0126224.t001" target="_blank">Table 1</a>.