Heart rate variability and impact of central pacemaker on cardiac activity

The study of heart rate variability (HRV) has become increasingly popular in the last decade, spanning from basic physiological mechanisms to psychosocial correlates and clinical applications. In this issue of Clinical Neurophysiology, Hamasaki et al. (2018) report on the coincidence of hemifacial spasm (HFS) and significant HRV increase in the low frequency (LF) band around 0.1 Hz and acceleration of heart rate. HFS caused by arterial compression of the facial nerve may be explained by various possible causes.

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