Why the study?
Findings regarding adaptive changes in respiratory sinus arrhythmia reactivity in children responding to stressors and challenges have been mixed.
This review highlights the importance of contextual factors and dyadic approaches in understanding respiratory sinus arrhythmia reactivity as a physiological marker of emotion regulation in children.
Contextual factors shape RSA reactivity to emotional stress in children; leaves open dyadic approaches for future research and clinical translation.
Respiratory sinus arrhythmia (RSA) has been implicated in emotional responding in children and is susceptible to the influences of contextual factors. There are mixed findings regarding adaptive changes in RSA reactivity in response to stressors and challenges. This review identifies contextual factors that contribute to the variation in adaptive responses to emotional stressors and provides an outlet for the utility of dyadic approaches in understanding these patterns in children.
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Aghajani et al. (2025) studied this question.
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