Authors: Carola Dell'Acqua; Francesca Mura; Simone Messerotti Benvenuti; Elisabetta Patron; Daniela Palomba · Research

Can Your Heart Rate Patterns and Emotional Control Style Predict How You'll Handle Trauma?

New research suggests that heart rate variability and emotion suppression together may predict vulnerability to post-traumatic stress

Source: Dell'Acqua, C., Mura, F., Messerotti Benvenuti, S., Patron, E., & Palomba, D. (2022). Reduced heart rate variability and expressive suppression interact to prospectively predict COVID‑19 pandemic‑related post‑traumatic stress symptoms. Scientific Reports, 12, 21311. https://doi.org/10.1038/s41598-022-25915-7

What you need to know

  • People who tend to suppress their emotions and have lower heart rate variability may be more vulnerable to developing post-traumatic stress symptoms
  • Pre-existing anxiety levels can predict how severely someone may be affected by traumatic events
  • Understanding these biological and psychological risk factors could help identify those who need extra support during crises

The Body-Mind Connection in Trauma Response

When faced with a traumatic event, why do some people bounce back while others struggle to cope? This question has intrigued mental health researchers for decades. Now, exciting new research suggests that the answer may lie in the complex interplay between our hearts and our emotional coping styles.

Understanding Heart Rate Variability

Heart rate variability (HRV) measures the variation in time between your heartbeats. Think of it like a car’s engine - just as a well-tuned engine can smoothly adjust its speed, a healthy heart can flexibly respond to different situations. Higher HRV generally indicates better emotional regulation and stress resilience, while lower HRV may signal vulnerability to stress.

The Role of Emotion Suppression

We all have different ways of handling difficult emotions. Some people tend to suppress or bottle up their feelings - imagine pushing down a spring that wants to pop up. While this might seem helpful in the moment, research shows that chronically suppressing emotions can backfire, leading to increased stress and psychological difficulties.

The Dangerous Combination

The study found that people who regularly suppress their emotions AND have lower heart rate variability were more likely to develop post-traumatic stress symptoms during the pandemic. It’s like having two risk factors that amplify each other - the emotional suppression creates internal pressure, while the reduced heart rate variability makes it harder for the body to regulate this stress effectively.

What This Means for You

These findings have important practical implications:

  1. If you tend to bottle up your emotions, consider learning healthier emotion regulation strategies through therapy or counseling

  2. Regular exercise and stress-management techniques like meditation can help improve heart rate variability

  3. If you know you have these risk factors, be proactive about seeking support during challenging times

  4. Healthcare providers may want to screen for both physiological and psychological risk factors when assessing trauma vulnerability

Conclusions

  • Your biological stress response system (measured by HRV) and emotional coping style work together to influence trauma resilience
  • Having both low HRV and a tendency to suppress emotions may make you more vulnerable to post-traumatic stress
  • Understanding your personal risk factors can help you take proactive steps to build resilience and seek appropriate support
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