[Changing of emotions by the stimulation of visual and auditory senses--an analysis of heart rate variability (HRV)].

The purpose of this study was to clarify the effect of visual and auditory stimulation on emotions and autonomic nervous systems. Four kinds of video films, which themes were humor, discomfort, fear or gentleness were presented to 14 subjects. Spectral analysis of heart rate variability (HRV) was observed as the autonomic nerve responses.