Which Heart Rate Variability (HRV) Indices Should I Use for Psychophysiological Research? A Data-Driven Approach to Identifying Clusters of HRV Indices.

Heart Rate Variability (HRV) can be quantified using a myriad of mathematical indices, but the lack of systematic and empirical comparison between these indices complicates the evaluation and interpretation of HRV data. This study assessed the reliab…

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