Scientific Publications

Shaffer, F., McCraty, R., & Zerr, C. L. (2014). A healthy heart is not a metronome: An integrative review of the heart’s anatomy and heart rate variability. Frontiers in Psychology. https://doi.org/10.3389/fpsyg.2014.01040. 835 citations. Altmetric Attention Score 64.

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Shaffer, F., & Ginsberg, J. P. (2017). An Overview of heart rate variability (HRV) metrics and norms. Frontiers in Public Health: Family Medicine and Primary Care.
https://doi.org/10.3389/fpubh.2017.00258. 1907 citations. Altmetric Attention Score 155.

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Shaffer, F., Meehan, Z. M., & Zerr, C. L. (2020). A critical review of ultra-short-term heart rate variability norms research. Frontiers in Neuroscience. https://doi.org/10.3389/fnins.2020.594880. 8 citations. Altmetric Attention Score 1.

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Shaffer, F., Moss, D., & Meehan, Z. M. (2022). Rhythmic skeletal muscle tension increases heart rate variability at 1 and 6 contractions per minute. Appl Psychophysiol Biofeedback. https://doi.org/10.1007/s10484-022-09541-7. 1 citation.

Shaffer, F., & Meehan, Z. M. (2022). An undergraduate program with heart: Thirty years of Truman HRV research. Appl Psychophysiol Biofeedback. https://doi.org/10.1007/s10484-022-09543-5. 0 citations.