Heart period to systolic arterial pressure coupling

Older-adults decrease heart period to systolic arterial pressure coupling in humans.

“Specifically, elderly subjects show significantly reduced coupling in both the low- and high-frequency bands compared to young subjects, across multiple time and frequency scales.”

Humansin low- and high-frequency bands across multiple time and frequency scales

Modified Fourier-Domain Transfer Entropy for Cardiovascular Analysis: Insights Into Aging Mechanisms

IEEE journal of biomedical and health informatics·16 Oct 2025