{"cited_by_count":1902345,"description":"This cluster of papers focuses on the analysis, applications, and implications of heart rate variability (HRV) in understanding autonomic nervous system function, physiological time series analysis using entropy methods, neurovisceral integration, its role as a marker of stress and health, and its associations with cardiovascular disease, emotion regulation, and baroreflex sensitivity. 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local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}