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before the procedures and would have normalized with the 9. Santos L, Joaquim J, Barroso Macau EN, Godoy MF. Application of an automatic
adaptive filter for heart rate variability analysis. Med Eng Physics. 2013;35:1778–
training protocol. In this sense, using only linear HRV 1785.
indices without considering coherence and non-linear 10. Blackman RB, Tukey JW. The Measurement of Power Spectra From the Point of
View of Communication Engineering. Dover, New York, 1958.
aspects may provide wrong interpretation. 11. Tarvainen MP, Niskanen J-P, Lipponen JA, Ranta-Aho PO, Karjalainen PA.
Our data have relevant implications since it does not Kubios HRV–heart rate variability analysis software. Comput Methods Programs
Biomed. 2014;113:210-20.
support the following assumptions in the literature: (1) RSA 12. Tulppo MP, Mäkikallio TH, Seppänen T, Laukkanen RT, Huikuri HV. Vagal
in slow and deep breathing is due to an increase in vagal modulation of heart rate during exercise: effects of age and physical fitness. Am J
Physiol. 1998;274:H424–9.
activity; (2) slow and deep breathing always promotes an 13. Pivatelli FC, Dos Santos MA, Fernandes GB, et al. Sensitivity, specificity and
increase in vagal tone and HRV, and; (3) decreased predictive values of linear and nonlinear indices of heart rate variability in stable
angina patients. Int Arch Med. 2012;5:31.
parasympathetic tone and HRV are associated with loss of 14. Hoshi RA, Pastre CM, Vanderlei LC, Godoy MF. Poincaré plot indexes of heart
homeostasis and worsening of health status. rate variability: relationships with other nonlinear variables. Auton Neurosci.
2012;177:271-4.
In contrast, we hypothesized that slow, deep and 15. Schnettler WT, Goldberger AL, Ralston SJ, Costa M. Complexity analysis of fetal
rhythmic breathing (equal inspiratory and expiratory times) heart rate preceding intrauterine demise. Eur J Obstet Gynecol Reprod Biol.
2016;203:286-90.
leads to cardiorespiratory synchronization at 0.1 Hz and to 16. Santana MD, Pita Neto IC, Martiniano EC, et al. Non-linear indices of heart rate
the regulation of the ANS by synchronizing sympathetic and variability during endodontic treatment. Braz Oral Res. 2016;30:pii: S1806-
83242016000100220 DOI: 0.1590/1807-3107BOR-2016.vol30.0029.
parasympathetic components, adjusting the parasympathetic 17. Vanderlei FM, de Abreu LC, Garner DM, Valenti VE. Symbolic Analysis of Heart
tone up or down. Rate Variability During Exposure to Musical Auditory Stimulation. Altern Ther
Health Med. 2016;22:24-31.
Evidence of the benefits of respiratory modulation for 18. Souza NM, Giacon TR, Pacagnelli FL, Barbosa MP, Valenti VE, Vanderlei LC.
physiological regulation in preschool children supports slow Dynamics of heart rate variability analysed through nonlinear and linear
dynamics is already impaired in young type 1 diabetic subjects. Cardiol Young.
breathing exercise as a promising strategy in promoting self- 2016;26:1383-90.
regulation in educational contexts or health intervention 19. Silva AG, Guida HL, Antônio AM, Marcomini RS, et al. An exploration of heart
rate response to differing music rhythm and tempos. Complement Ther Clin Pract.
programs. Clinical studies that evaluate the effectiveness of 2014;20:130-4.
respiratory exercises in the prevention and complementary 20. Quintana DS. Statistical considerations for reporting and planning heart rate
variability case-control studies. Psychophysiology. 2017;54:344-349.
treatment of diseases are necessary to build a solid theoretical 21. McCraty R, Atkinson M, Tomasino D, Bradley RT. The coherent heart: heart-
foundation that supports the incorporation of these brain interactions, psychophysiological coherence, and the emergence of system-
wide order. Int Rev. 2009;5:10-115.
techniques in clinical and educational practice. 22. Bradley RT, McCraty R, Atkinson M, Arguelles L, Rees RA, Tomasino D.
Reducing test anxiety and improving test performance in America’s schools:
results from the testedge national demonstration study. Boulder Creek (CA):
CONCLUSION HeartMath Research Center 2007.
Slow breathing training exercise induced increased 23. Phongsuphap S, Pongsupap Y, Chandanamattha P, Lursinsap C. Changes in heart
rate variability during concentration meditation. Int J Cardiol. 2008;130:481-484.
cardiorespiratory coherence and increased nonlinear 24. Cysarz,D, Büssing A. Cardiorespiatory synchronization during Zen meditation.
Eur J Appl Phys. 2005;95:88-95.
behavior of heart rate dynamics. This is because the state of 25. Takahashi T, Murata T, Hamada T, et al. Changes in EEG and autonomic nervous
cardiorespiratory coherence is associated with improvements activity during meditation and their association with personality traits. Int J
Psychophysiol. 2005;55:199-207.
in health status. Increased cardiorespiratory coherence also 26. Wu SD, Lo PC. Inward-attention meditation increases parasympathetic activity: a
reinforces the importance of including respiratory exercises study based on heart rate variability. Biomed Res. 2008;29:245-250.
in strategies that aim to promote physical health and 27. Lehrer P, Sasaki Y, Saito Y. Zazen and cardiac variability. Psychosom Med. 1999;
61:812-821.
self-regulation skills in educational settings. 28. Billman GE. The LF/HF ratio does not accurately measure cardiac sympatho-
vagal balance. Front Physiol. 2013;4:1-5.
29. McCraty R, Atkinson M, Tomasino D, Bradley RT. The coherent heart: heart-
ACKNOWLEDGEMENTS brain interactions, psychophysiological coherence, and the emergence of system-
We declare no conflict of interest. This study received financial support from CAPES wide order. Integ Rev. 2009;5:10-115.
– CNPq, which provided grants to the PhD thesis of MZC. 30. Grossman P, Taylor EW. Toward understanding respiratory sinus arrhythmia:
Relations to cardiac vagal tone, evolution and biobehavioral functions. Biol
Psychol. 2007;74:263-285.
REFERENCES 31. Pal GK, Madanmohan S. Effect of short-term practice of breathing exercises on
1. Jonas WB. Dictionary of complementary and alternative medicine. J Alt Comp autonomic functions in normal human volunteers. Indian J Med Res. 2004;120:
Med. 2005;11:739-740. 115–22.
2. Bradley RT, Galvin P, Atkinson M, Tomasino D. Efficacy of an emotional self- 32. Peng CK, Henry IC, Mietus JE, Hausdorff JM, Khalsa G, Benson H, Goldberger
regulation program for promoting development in preschool children. Glob Adv AL. Heart rate dynamics during three forms of meditation. Int J of Cardiol.
Health Med. 2012;1:36-50. 2004;95:19-27.
3. WHO – World Health Organization. Life skills for children and adolescents in
schools. Geneve: OMS,1997.
4. Courtney R. The functions of breathing and its dysfunctions and their relationship
to breathing therapy. Int J Osth Med. 2009;12:78-85.
5. Jerath R, Edry JW, Barnes VA, Jerath V. Physiology of long pranayamic breathing:
neural respiratory elements may provide a mechanism that explains how slow deep
breathing shifts the autonomic nervous system. Med Hypotheses. 2006;67:566-571.
6. Vanderlei LC, Pastre CM, Hoshi RA, Carvalho TD, Godoy MF. Basic notions of
heart rate variability and its clinical applicability. Rev Bras Cir Cardiovasc.
2009;24:205-17.
7. Valenti, V.E. The recent use of heart rate variability for research. J Hum Growth
Dev. 2015;25:137-140.
8. Camm AJ, Malik M, Bigger JT, et al. Heart rate variability: standards of
measurement, physiological interpretation and clinical use. Task Force of the
European Society of Cardiology and the North American Society of Pacing and
Electrophysiology. Circulation. 1996;93:1043-65.

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