Healthy biological systems exhibit complex patterns of variability that can be described by
mathematical chaos. Heart rate variability (HRV) consists of changes in the time intervals …

Psychophysiological research integrating heart rate variability (HRV) has increased during
the last two decades, particularly given the fact that HRV is able to index cardiac vagal tone …

In recent years, increasing interest has been devoted to the physiological basis of self and
other-oriented compassion. Heart rate variability (HRV) represents a promising candidate for …

Among adults, depression is associated with reduced vagal activity, as indexed by high
frequency heart rate variability [HF-HRV]), which correlates inversely with depression …

Abstract This Committee Report provides methodological, interpretive, and reporting
guidance for researchers who use measures of heart rate (HR) and heart rate variability …

Background: Despite strong reservations regarding the validity of a number of heart rate
variability (HRV) measures, these are still being used in recent studies. Aims: We aimed to …

Purpose: Epilepsy is associated with near‐fatal and fatal arrhythmias, and sudden
unexpected death in epilepsy (SUDEP) is partly related to cardiac events. Dysfunction of the …

Transcutaneous vagus nerve stimulation (tVNS) is a non‐invasive neurostimulation
technique that is currently being tested as a potential treatment for a myriad of neurological …

Objectives The goal of the present study was to probe the effects of mindfulness practice in a
naturalistic setting as opposed to a lab-based environment in the presence of continuous …

Borderline personality disorder (BPD) is the most common personality disorder in clinical
settings. It is characterized by negative affectivity, emotional liability, anxiety, depression, as …