Key result
Respiratory sinus arrhythmia follows U-shaped trajectories, decreasing before children implement regulation behaviors.
Why the study?
How do dynamic fluctuations in respiratory sinus arrhythmia associate with the deployment of behavioural emotion regulation strategies in preschoolers?
Observational (n=63)
How do dynamic fluctuations in respiratory sinus arrhythmia associate with the deployment of behavioural emotion regulation strategies in preschoolers?
This study demonstrates that parasympathetic processes, measured via respiratory sinus arrhythmia, dynamically integrate with behavioural strategies during emotion regulation in young children.
RSA trajectories associate with preschool emotion regulation; leaves open causality and clinical relevance.
Dynamic fluctuations in respiratory sinus arrhythmia (RSA) were modelled throughout an emotionally challenging laboratory task, and direct associations between temporal variation in RSA responding and the deployment of specific behavioural emotion regulation (ER) strategies were assessed. Sixty‐three 2‐ to 6‐year‐old children (47% girls; M age = 46.54 months, SD age = 12.70 months; 67% White, 6% Hispanic, 6% Asian, and 20% multiracial) exhibited ER behaviour and provided RSA data. Children's RSA exhibited U‐shaped trajectories, such that RSA decreased before children implemented distraction, help‐seeking, and venting behaviours, and the decline in RSA attenuated after strategies were implemented. This study is the first, to our knowledge, to concurrently couple temporal trajectories in RSA during an emotionally charged context with the onset of multiple behavioural regulation strategies. Findings significantly extend current literature by helping to elucidate the way in which parasympathetic and behavioural processes integrate in the regulation of emotion.
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Tang et al. (2025) reported an observational. Emotionally challenging laboratory task was evaluated on Temporal variation in respiratory sinus arrhythmia responding and deployment of specific behavioural emotion regulation strategies. Respiratory sinus arrhythmia exhibited U-shaped trajectories during an emotional task, decreasing before children implemented regulation behaviors and attenuating afterward.
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