Relationship between sexual attractiveness and heart rate variability in heterosexual men observing photos and self-introduction movies of women
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In recent years, the problem of declining birthrate has occurred, and how to increase the working-age population has been discussed as a problem to be tackled immediately. The rise in the unmarried rate also contributes to a decline in the birth rate. To solve these problems, you need a way to choose a partner appropriately. In this study, we investigated the relationship between heart rate variability (HRV) and sexual attractiveness while heterosexual men observed the photos and self-introduction movies of women. We measured the indicators of HRV, including low-frequency (LF) and high-frequency (HF) HRV, by computing R–R intervals of the heartbeat waveform. We also demonstrated the time-varying transition of HRV parameters during the self-introduction movies. We found that higher attractiveness evaluation scores were proportional to the transition of LF/HF. The LF/HF value increased when subjects watched videos of females who had been judged as having high attractiveness.
KeywordsHeart rate variability Attractiveness Engagement Bioengineering
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