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Do Longer Exhalations Increase HRV During Slow-Paced Breathing?
Meehan ZM, Shaffer F. Meehan ZM, et al. Appl Psychophysiol Biofeedback. 2024 Sep;49(3):407-417. doi: 10.1007/s10484-024-09637-2. Epub 2024 Mar 20. Appl Psychophysiol Biofeedback. 2024. PMID: 38507210 Free PMC article.
Three studies found no IE ratio effect (Cappo & Holmes in J Psychosom Res 28:265-273, 1984; Edmonds et al. in Biofeedback 37:141-146, 2009; Klintworth et al. in Physiol Meas 33:1717-1731, 2012). ...
Three studies found no IE ratio effect (Cappo & Holmes in J Psychosom Res 28:265-273, 1984; Edmonds et al. in Biofe …