Identifying Anger Emotion Using BVP Sensor: Heart Rate Variability (HRV)
| Author | Zahra Dehghanizadeh | en |
| Author | Behrooz Dolatshahi | en |
| Author | Masoud Nosratabadi | en |
| Author | Hadi Moradi | en |
| Orcid | Zahra Dehghanizadeh [0000-0002-7902-2557] | en |
| Orcid | Behrooz Dolatshahi [0000-0003-2230-9562] | en |
| Accessioned Date | 2026-04-28T01:30:51Z | |
| Issued Date | 2026-04-25 | en |
| Abstract | Background: Accurate measurement tools are crucial for the early detection of emotional problems and dysregulation. Objectives: This study aimed to identify the emotion of anger using heart rate variability (HRV) as a biomarker. The diagnostic accuracy of five HRV-related subscales — HR, RR, HF, LF, and LF/HF — was evaluated among individuals with high and low anger. Methods: This descriptive (exploratory) quantitative study included adults aged 20 - 45 years living in Tehran. A total of 100 participants were initially recruited, but 24 were excluded due to insufficient or inaccurate HRV recordings, leaving a final sample of 76. Participants completed the Positive and Negative Affect Schedule (PANAS), and HRV data were collected via a blood volume pulse (BVP) sensor. Descriptive statistics and independent-sample t-tests were performed using SPSS, while receiver operating characteristic (ROC) and sensitivity analyses were conducted using MedCalc. Results: Significant differences were found between high- and low-anger groups in HR (P < 0.05) and RR (P < 0.001) scales, with higher mean scores in the high-anger group. Among the five HRV subscales, the RR scale had the highest discriminative accuracy (AUC = 0.71), performing significantly better than HR, HF, LF, and LF/HF. Conclusions: Heart rate variability, particularly the RR subscale, can serve as a reliable biological indicator for anger detection. These findings support the potential application of physiological markers in identifying emotional states. | en |
| DOI | https://doi.org/10.5812/ijpbs-162423 | en |
| URI | https://repository.brieflands.com/handle/123456789/67080 | |
| Keyword | Anger | en |
| Keyword | Biomarkers | en |
| Keyword | Emotion Dysregulation | en |
| Keyword | Heart Rate Variability | en |
| Publisher | Brieflands | en |
| Title | Identifying Anger Emotion Using BVP Sensor: Heart Rate Variability (HRV) | en |
| Type | Research Article | en |
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