Heart Rate Variability as a Predictor of Speaking Anxiety

@article{MacIntyre2010HeartRV,
  title={Heart Rate Variability as a Predictor of Speaking Anxiety},
  author={Valerie A. MacIntyre and Peter D. MacIntyre and Geoff Carre},
  journal={Communication Research Reports},
  year={2010},
  volume={27},
  pages={286 - 297}
}
This study examines the relations among the perception of speaking anxiety and difficulties in emotion regulation with 2 measures of physiological activity: heart rate (HR) and heart rate variability (HRV). Results show significant changes in HR and state anxiety, but not HRV, among the 6 experimental conditions: quiet, reading in both sitting and standing positions, and speaking in both sitting and standing positions. HRV significantly and negatively correlated with difficulties in emotion… 
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