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Related Experiment Video

Updated: Apr 25, 2026

Psychophysiological Assessment of the Effectiveness of Emotion Regulation Strategies in Childhood
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Does Baseline Heart Rate Variability Reflect Stable Positive Emotionality?

Paul J Silvia1, Bryonna A Jackson1, Rachel S Sopko1

  • 1Department of Psychology, University of North Carolina at Greensboro.

Personality and Individual Differences
|August 23, 2014
PubMed
Summary

This study found no significant linear or nonlinear relationship between heart rate variability (HRV) and positive psychological functioning in young adults. Effect sizes were near zero, suggesting further research is needed.

Keywords:
Heart rate variabilitypersonalitypositive emotionsrespiratory sinus arrhythmiawell-being

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Area of Science:

  • Psychophysiology
  • Positive Psychology
  • Behavioral Science

Background:

  • Previous research indicated correlations between heart rate variability (HRV) and positive functioning.
  • Some studies suggested nonlinear effects and an optimal HRV level.

Purpose of the Study:

  • To investigate the relationship between baseline HRV and positive psychological functioning in a diverse sample of young adults.
  • To examine both linear and nonlinear associations.

Main Methods:

  • 239 young adults completed measures of personality, positive emotions, and psychological distress.
  • Heart rate variability (HRV) was assessed using a 6-minute baseline recording and various metrics.
  • Potential confounding variables like BMI, caffeine, nicotine use, and sleep quality were controlled.

Main Results:

  • No significant linear or nonlinear effects were detected between HRV and measures of positive psychological functioning.
  • Observed effect sizes were small and close to zero.
  • Findings contrast with some prior research suggesting medium effect sizes.

Conclusions:

  • The cross-sectional relationship between HRV and positive experience requires further investigation.
  • A meta-analytic synthesis may be beneficial to clarify existing findings.
  • Current data do not support a strong association between HRV and positive functioning in this sample.