Cardiac pulsation harmonic amplitudes

older age increases cardiac pulsation harmonic amplitudes in humans (q = 0.020).

“older adults exhibited higher harmonic amplitudes with the strongest result in the second harmonic in gray matter with FDR-corrected q = 0.020”

Humansgray matter

Ultrafast fMRI Detects Age-Related Changes in Harmonics of Cardiac Pulsations in the Brain at 7 T

Magnetic resonance in medicine·10 May 2026