Heart rate variability: Origins methods, and interpretive caveats

Psychophysiology

Volumn 34, Issue 6, 1997, Pages 623-648

  Berntson, Gary G ^a   Thomas Bigger Jr , J ^b   Eckberg, Dwain L ^c   Grossman, Paul ^d   Kaufmann, Peter G ^e   Malik, Marek ^f   Nagaraja, Haikady N ^a   Porges, Stephen W ^g   Saul, J Philip ^h   Stone, Peter H ⁱ   Van Der Molen, Maurits W ^j  

^a OHIO STATE UNIVERSITY   (United States)

^b Och Spine at New York Presbyterian Hospitals   (United States)

^c VIRGINIA COMMONWEALTH UNIVERSITY SCHOOL OF MEDICINE   (United States)

^d Lown Cardiovascular Center   (United States)

^e NATIONAL HEART LUNG AND BLOOD INSTITUTE   (United States)

^f ST GEORGE'S UNIVERSITY OF LONDON   (United Kingdom)

^g UNIVERSITY OF MARYLAND   (United States)

^h BOSTON CHILDREN S HOSPITAL   (United States)

ⁱ BRIGHAM AND WOMEN S HOSPITAL   (United States)

^j UNIVERSITY OF AMSTERDAM   (Netherlands)

more..

Author keywords

Autonomic nervous system; Cardiac chronotropic control; Electrocardiogram; Heart rate; Methodology; Parasympathetic; Respiratory sinus arrhythmia; Sympathetic; Vagal tone

Indexed keywords

CHRONOTROPISM; HEART INNERVATION; HEART RATE VARIABILITY; HUMAN; PARASYMPATHETIC INNERVATION; PRIORITY JOURNAL; REVIEW; SINUS ARRHYTHMIA; SINUS RHYTHM; SYMPATHETIC INNERVATION; VAGUS TONE;

EID: 0343416365     PISSN: 00485772     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1469-8986.1997.tb02140.x     Document Type: Review

References (269)

1. Airaksinen, K. E. J., Tahvanainen, K. U. O., Kussela, T. A., Huikuri, H. V., Niemelä, M. J., Karjalainen, P., & Eckberg, D. L. (1997). Cross spectral analysis in assessment of baroreflex gain in patients with coronary artery disease. Annals of Noninvasive Electrocardiology (in press).
2. Ahmed, M. W., Kadish, A. H., Parker, M. A., & Goldberger, J. J. (1994). Effect of physiologic and pharmacologic adrenergic stimulation on heart rate variability [see comments]. Journal of the American College of Cardiology, 24, 1082-1090.
3. Akselrod, S., Gordon, D., Madwed, J. B., Snidman, N. C., Shannon, D. C., & Cohen, R. J. (1985). Hemodynamic regulation: Investigation by spectral analysis. American Journal of Physiology, 18, H867-H875.
4. Akselrod, S., Gordon, D., Ubel, F. A., Shannon, D. C., Barger, A. C., & Cohen, R. J. (1981). Power spectrum analysis of heart rate fluctuations: A quantitative probe of beat-to-beat cardiovascular control. Science, 213, 220-222.
5. Albrecht, P., Cohen, R. J., & Mark, R. G. (1988). A stochastic characterization of chronic ventricular ectopic activity. IEEE Transactions on Biomedical Engineering, 35, 539-550.
6. Angelone, A., & Coulter, N. A. (1964). Respiratory sinus arrhythmia: A frequency dependent phenomenon. Journal of Applied Physiology, 19, 479-482.
7. Anrep, G. V., Pascual, W., & Rössler, R. (1936a). Respiratory variations of the heart rate. I. The reflex mechanism of the respiratory arrhythmia. Proceedings of the Royal Society of London B, 119, 191-217.
8. Anrep, G. V., Pascual, W., & Rössler, R. (1936b). Respiratory variations in heart rate. II. The central mechanism of the sinus arrhythmia and the inter-relationships between central and reflex mechanisms. Proceedings of the Royal Society of London B, 119, 218-230.
9. Arai, Y., Saul, J. P., Albrecht, P., Hartley, H., Lilly, L. S., Cohen, R. J., & Colucci, W. S. (1989). Modulation of autonomic activity during and immediately after exercise. American Journal of Physiology, 256, H132-H141.
10. Bainbridge, F. A. (1920). The relation between respiration and the pulse-rate. Journal of Physiology, 54, 192-202.
11. Barbieri, R., Waldmann, R. A., DiVirgilio, V., Triedman, J. K., Bianchi, A. M., Cerutti, S., & Saul, J. P. (1996). Continuous quantification of baroreflex and respiratory control of heart rate by use of bivariate autoregressive techniques. Annals of Noninvasive Electrocardiography, 1, 264-277.
12. Bartoli, F., Baselli, G., & Cerutti, S. (1982). Application of identification and linear filtering algorithms to the R-R interval measurements. Computers in Cardiology, 9, 485-488.
13. Baselli, G., Cerutti, S., Civardi, S., Lombardi, F., Malliani, A., Merri, M., Pagani, M., & Rizzo, G. (1987). Heart rate variability signal processing: A quantitative approach as an aid to diagnosis in cardiovascular pathologies. International Journal of Bio-medical Computing, 20, 51-70.
14. Baumert, J. H., Frey, A. W., & Adt, M. (1995). Analysis of heart rate variability. Background, method, and possible use in anesthesia. Anaesthetist, 44, 677-686.
15. Berger, R. D. (1987). Analysis of the cardiovascular control system using broad-band stimulation. Unpublished doctoral thesis, Massachusetts Institute of Technology, Cambridge.
16. Berger, R. D., Akselrod, S., Gordon, D., & Cohen R. J. (1986). An efficient algorithm for spectral analysis of heart rate variability. IEEE Transactions on Biomedical Engineering, 33, 900-904.
17. Berger, R. D., Saul, J. P., & Cohen, R. J. (1989). Transfer function analysis of autonomic regulation: I. The canine atrial rate response. American Journal of Physiology, 256, H142-H152.
18. Bernardi, L., Keller, F., Sanders, M., Reddy, P. S., Meno, F., & Pinsky, M. R. (1989). Respiratory sinus arrhythmia in the denervated human heart. Journal of Applied Physiology, 67, 1447-1455.
19. Bernardi, L., Leuzzi, S., Radaelli, A., Passino, C., Johnston, J. A., & Sleight, P. (1994). Low-frequency spontaneous fluctuations of R-R interval and blood pressure in conscious humans. A baroreceptor or central phenomenon? Clinical Science, 87, 649-654.
20. Bernardi, L., Rossi, M., & Ricordi, L. (1992). Clinical assessment of respiratory sinus arrhythmia by computerized analysis of RR interval and respiration. Gionale Italiano di Cardiologia, 22, 517-529.
21. Bernardi, L., Salvucci, F., Suardi, R., Solda, P. L., Calciati, A., Perlini, S., Falcone, C., & Ricciardi, L. (1990). Evidence for an intrinsic mechanism regulating heart rate variability in the transplanted and the intact heart during submaximal dynamic exercise? Cardiovascular Research, 24, 969-981.
22. Berntson, G. G., Cacioppo, J. T., Binkley, P. F., Uchino, B. N., Quigley, K. S., & Fieldstone, A. (1994). Autonomic cardiac control: III. Psychological stress and cardiac response in autonomic space as revealed by pharmacological blockades. Psychophysiology, 31, 599-608.
23. Berntson, G. G., Cacioppo, J. T., & Quigley, K. S. (1993a). Respiratory sinus arrhythmia: Autonomic origins, physiological mechanisms, and psychophysiological implications. Psychophysiology, 30, 183-196.
24. Berntson, G. G., Cacioppo, J. T., & Quigley, K. S. (1993b). Cardiac psychophysiology and autonomic space in humans: Empirical perspectives and conceptual implications. Psychological Bulletin, 114, 296-322.
25. Berntson, G. G., Cacioppo, J. T., & Quigley, K. S. (1994). Autonomic cardiac control. I. Estimation and validation from pharmacological blockades. Psychophysiology, 31, 572-585.
26. Berntson, G. G., Cacioppo, J. T., & Quigley, K. S. (1995). The metrics of cardiac chronotropism: Biometric perspectives. Psychophysiology, 32, 162-171.
27. Berntson, G. G., Cacioppo, J. T., Quigley, K. S., & Fabro, V. J. (1994). Autonomic space and psychophysiological response. Psychophysiology, 31, 44-61.
28. Berntson, G. G., Quigley, K. S., Fabro, V. T., & Cacioppo, J. T. (1992). Vagal stimulation and cardiac chronotropy in rats. Journal of the Autonomic Nervous System, 41, 221-226.
29. Berntson, G. G., Quigley, K. S., Jang, J., & Boysen, S. T. (1990). An approach to artifact identification: Application to heart period data. Psychophysiology, 27, 586-598.
30. Berntson, G. G., & Stowell, J.R. (in press). ECG artifacts and heart period variability: Don't miss a beat! Psychophysioloy.
31. Bianchi, A., Bontempi, B., Cerutti, S., Gianooglio, P., Comi, G., & Natali Sora, M. G. (1990). Spectral analysis of heart rate variability signal and respiration in diabetic subjects. Medical and Biological Engineering and Computing, 28, 205-211.
32. Bigger, J. T., Jr., Fleiss, J. L., Steinman, R. C., Rolnitzky, L. M., Kleiger, R. E., & Rottman, J. N. (1992). Frequency domain measures of heart period variability and mortality after myocardial infarction. Circulation, 85, 164-171.
33. Bigger, J. T., Jr., Fleiss, J. L., Steinman, R. C., Rolnitzky, L. M., Schneider, W., & Stein, P. K. (1995). RR variability in healthy, middle-aged persons compared with patients with chronic coronary heart disease or recent acute myocardial infarction. Circulation, 91, 1936-1943.
34. Bigger, J. T., Jr., Rolnitzky, L. M., Steinman, R. C., & Fleiss, J. L. (1994). Predicting mortality after myocardial infarction from the response of RR variability to antiarrhythmic drug therapy. Journal of the American College of Cardiology, 23, 733-740.
35. Bigger, J. T., Jr., & Schwartz, P. J. (1994). Markers of vagal activity and the prediction of cardiac death after myocardial infarction. In M. N. Levy & P. J. Schwartz (Eds.), Vagal control of the heart: Experimental basis and clinical implications (pp. 481-508). Armonk, NY: Futura Publishing.
36. Bigger, J. T., Jr., Steinman, R. C., Rolnitzky, L. M., Fleiss, J. L., Albrecht, P., & Cohen, R. J. (1996). Power law behavior of RR-interval variability in healthy middle-aged persons, patients with recent acute myocardial infarction, and patients with heart transplants. Circulation, 93, 2142-2151.
37. Binkley, P. F., Orsinelli, D. A., Nunziata, E., Patterson, S. P., Khot, U. N., Puri, R., Latcham, A. P., & Pearson, A. C. (1995). Differing autonomic response to dobutamine in the presence and absence of ischemia: Implications for the autonomic contribution to positive inotropic intervention. American Heart Journal, 130, 1054-1061.
38. Bonaduce, D., Marciano, F., Petretta, M., Migaux, M. L., Morgano, G., Bianchi, V., Salemme, L., Valva, G., & Condorelli, M. (1994). Effects of converting enzyme inhibition on heart period variability in patients with acute myocardial infarction. Circulation, 90, 108-113.
39. Bootsma, M., Swenne, C. A., Van Bolhuis, H. H., Chang, P. C., Cats, V. M., & Bruschke, A. V. (1994). Heart rate and heart rate variability as indexes of sympathovagal balance. American Journal of Physiology, 266, H1565-H1571.
40. Borst, C., & Karemaker, J. M. (1983). Time delays in the human baroreceptor reflex. Journal of the Autonomic Nervous System, 9, 399-409.
41. Brillinger, D. R. (1975). Time series: Data analysis and theory. New York: Holt, Reinhart, and Winston.
42. Brockwell, P. J., & Davis, R. A. (1991). Time series: Theory and methods. New York: Springer-Verlag.
43. Brown, T. E., Beightol, L. A., Koh, J., & Eckberg, D. L. (1993). The important influence of respiration on human R-R interval power spectra is largely ignored. Journal of Applied Physiology, 75, 2310-2317.
44. Burke, D., Sundlöf, G., & Wallin, B. G. (1977). Postural effects on muscle nerve sympathetic activity in man. Journal of Physiology, 272, 399-414.
45. Burkholder, T., Chambers, M., Hotmire, K., Wurster, R. D., Moody, S., & Randall, W. C. (1992). Gross and microscopic anatomy of the vagal innervation of the rat heart. Anatomical Record, 232, 444-452.
46. Byrne, E. A., & Porges, S. W. (1993). Data-dependent filter characteristics of peak-valley respiratory sinus arrhythmia estimation: A cautionary note. Psychophysiology, 30, 397-404.
47. Cacioppo, J. T. Berntson, G. G., Binkley, P. F., Quigley, K. S., Uchino, B. N., & Fieldstone, A. (1994). Autonomic cardiac control. II. Basal response, noninvasive indices, and autonomic space as revealed by autonomic blockades. Psychophysiology, 31, 586-598.
48. Cacioppo, J. T., & Tassinary, L. G. (1990). Inferring psychological significance from physiological signals. American Psychologist, 45, 16-28.
49. Carlson, M. D., Gcha, A., Hsu, J., Martin, P. M., Levy, M., Jacobs, G., & Waldo, A. L. (1992). Selective stimulation of parasympathetic nerve fibers to the human sinoatrial node. Circulation, 85, 1311-1317.
50. Carlsten, A., Folkow, B., & Hamberger, C.-A. (1957). Cardiovascular effects of direct vagal stimulation in man. Acta Physiologica Scandinavica, 41, 68-76.
51. Cevese, A., Grasso, R., Poltronieri, R., & Schena, F. (1995). Vascular resistance and arterial pressure low-frequency oscillations in the anesthetized dog. American Journal of Physiology, 268, H7-H16.
52. Chatfield, C. (1989). The analysis of time series, an introduction (4th ed.). London: Chipman & Hall.
53. Cherniack, N. S., & Longobardo, G. S. (1973). Cheyne-Stokes breathing - An instability in physiologic control. New England Journal of Medicine, 288, 952-957.
54. Chess, G. F., Tam, R. M. K., & Calaresu, F. R. (1975). Influence of cardiac neural inputs on rhythmic variations of heart period in the cat. American Journal of Physiology, 228, 775-780.
55. Cheung, M. N. (1981). Detection and recovery from errors in cardiac interbeat intervals. Psychophysiology, 18, 341-346.
56. Coker, R., Koziell, A., Oliver, C., & Smith, S. E. (1984). Does the sympathetic nervous system influence sinus arrhythmia in man? Evidence from combined autonomic blockade. Journal of Physiology, 356, 459-464.
57. Daffonchio, A., Franzelli, C., Radaelli, A., Castiglioni, P., Di Rienzo, M., Mancia, G., & Ferrari, A. U. (1995). Sympathectomy and cardiovascular spectral components in conscious normotensive rats. Hypertension, 25, 1287-1293.
58. de Boer, R. W., Karemaker, J. M., & Strackee, J. (1984). Comparing spectra of a series of point events particularly for heart rate variability data. IEEE Transactions on Biomedical Engineering, 31, 384-387.
59. de Boer, R. W., Karemaker, J. M., & Strackee, J. (1985). Description of heart-rate variability data in accordance with a physiological model for the genesis of heart beats. Psychophysiology, 22, 147-155.
60. de Boer, R. W., Karemaker, J. M., & Strackee, J. (1987). Hemodynamic fluctuations and baroreflex sensitivity in humans: A beat-to-beat model. American Journal of Physiology, 253, H680-H689.
61. Deutschman, C. S., Harris, A. P., & Fleisher, L. A. (1994). Changes in heart rate variability under propofol anesthesia: A possible explanation for propofol-induced bradycardia. Anesthesia and Analgesia, 79, 373-777.
62. Dexter, F., Levy, M. N., & Rudy, Y. (1989). Mathematical model of the changes in heart rate elicited by vagal stimulation. Circulation Research, 65, 1330-1339.
63. Di Rienzo, M., Castiglioni, P., Parati, G., Mancia, G., & Pedotti, A. (1996). Effects of sino-aortic denervation on spectral characteristics of blood pressure and pulse interval variability: A wide-band approach. Medical and Biological Engineering and Computing, 34, 133-141.
64. Ditto, B., & France, C. (1990). Carotid baroreflex sensitivity at rest and during psychological stress in offspring of hypertensives and non-twin sibling pairs. Psychosomatic Medicine, 52, 610-620.
65. Donders, F. C. (1868). Zur Physiologie des Nervus vagus. Pflüger Archiv für die gesammte Physiologie, 1, 331-361.
66. Dykes, F. D., Ahmann, P. A., Baldzer, K., Carrigan, T. A., Kitney, R., & Giddens, D. P. (1986). Breath amplitude modulation of heart rate variability in normal full-term neonates. Pediatric Research, 20, 301-308.
67. Eckberg, D. L. (1976). Temporal response patterns of the human sinus node to brief carotid baroreceptor stimuli. Journal of Physiology, 258, 769-782.
68. Eckberg, D. L. (1980). Nonlinearities of the human carotid baroreceptor-cardiac reflex. Circulation Research, 47, 208-216.
69. Eckberg, D. L. (1983). Human sinus arrhythmia as an index of vagal cardiac outflow. Journal of Applied Physiology, 54, 961-966.
70. Eckberg, D. L. (1995). Respiratory sinus arrhythmia and other human cardiovascular periodicities. In J. A. Dempsey & A. I. Pack (Eds.), Regulation of breathing (pp. 669-740). New York: Marcel Dekker.
71. Eckberg, D. L. (in press). Sympathovagal balance. A critical appraisal. Circulation.
72. Eckberg, D. L., & Eckberg, M. J. (1982). Human sinus node responses to repetitive, ramped carotid baroreceptor stimuli. American Journal of Physiology, 242, H638-H644.
73. Eckberg, D. L., Kifle, Y. T., & Roberts, V. L. (1980). Phase relationship between normal human respiration and baroreflex responsiveness. Journal of Physiology, 304, 489-502.
74. Eckberg, D. L., Nerhed, C., & Wallin, B. G. (1985). Respiratory modulation of muscle sympathetic and vagal cardiac outflow in man. Journal of Physiology, 365, 181-196.
75. Eckberg, D. L., & Orshan, C. R. (1977). Respiratory and baroreceptor reflex interactions in man. Journal of Clinical Investigation, 59, 780-785.
76. Eckberg, D. L., Rea, R. F., Andersson, O. K., Hedner, T., Pernow, J., Lundberg, J. M., & Wallin, B. G. (1988). Baroreflex modulation of sympathetic activity and sympathetic neurotransmitters in humans. Acta Physiologica Scandinavica, 133, 221-231.
77. Eckberg, D. L., & Sleight, P. (1992). Human baroreflexes in health and disease. Oxford: Clarendon.
78. Eppinger, H., & Hess, L. (1915). Vagotonia: A clinical study in vegetative neurology (W. M. Kraus & S. E. Jelliffe, Trans.). New York: The Nervous and Mental Disease Publishing Co.
79. Erschler, I. (1988). Willem Einthoven - The man. Archives of Internal Medicine, 148, 453-455.
80. Faes, J. C., De Neeling, N. N. D., Kingma, R., TenVoorde, B. J., & Karemaker, J. M. (1995). On the quantification of heart rate change in autonomic function tests: Relations between measures in beats per minute, seconds and dimensionless ratios. Clinical Science, 89, 557-564.
81. Fahrenberg, J., & Foerster, F. (1991). A multiparameter study in noninvasive cardiovascular assessment. Journal of Psychophysiology, 5, 145-158.
82. Felder, R. B., & Mifflin, S. W. (1994). Baroreceptor and chemoreceptor afferent processing in the solitary tract nucleus. In I. R. A. Barraco (Ed.), Nucleus of the solitary tract (pp. 169-185). Boca Raton. FL: CRC Press.
83. Fernandez de Molina, A., & Perl, E. R. (1965). Sympathetic activity and the systemic circulation in the spinal cat. Journal of Physiology, 181, 82-102.
84. Fouad, F. M., Tarazi, R. C., Ferrario, C. M., Fighaly, S., & Alicandro, C. (1984). Assessment of parasympathetic control of heart rate by a noninvasive method. American Journal of Physiology, 246, H838-H842.
85. Friesen, G. M., Jannett, T. C., Jadalloh, M. A., Yates, S. L., Quint, S. R., & Nogle, H. T. (1990). A comparison of the noise sensitivity of nine QRS detection algorithms. IEEE Transactions on Biomedical Engineering, 37, 85-98.
86. Glass, L., & Mackey, M. C. (1988). From clocks to chaos. Princeton, NJ: Princeton University Press.
87. Goldberger, A. (1992). Fractal mechanisms in the electrophysiology of the heart. IEEE Engineering in Medicine and Biology Magazine, 11, 47-52.
88. Goldberger, A. L., Findley, L. J., Blackburn, M. R., & Mandell, J. A. (1984). Nonlinear dynamics in heart failure: Implications of long-wavelength cardiopulmonary oscillations. American Heart Journal, 107, 612-615.
89. Goldberger, J. J., Ahmed, M. W., Parker, M. A., & Kadish, A. H. (1994). Dissociation of heart rate variability from parasympathetic tone. American Journal of Physiology, 266, H2152-H2157.
90. Graham, F. K. (1978). Constraints on measuring heart rate and period sequentially through real and cardiac time. Psychophysiology, 15, 492-495.
91. Grossman, P. (1992a). Breathing rhythms of the heart in a world of no steady state: A comment on Weber, Molenaar, and van der Molen. Psychophysiology, 29, 66-72.
92. Grossman, P. (1992b). Respiratory and cardiac rhythms as windows to central and autonomic biobehavioral regulation: Selection frames, keeping the panes clean and viewing neural topography. Biological Psychology, 34, 131-161.
93. Grossman, P., Karemaker, J., & Wieling, W. (1991). Prediction of tonic parasympathetic cardiac control using respiratory sinus arrhythmia: The need for respiratory control. Psychophysiology, 28, 201-216.
94. Grossman, P., & Kollai, M. (1993). Respiratory sinus arrhythmia, cardiac vagal tone, and respiration: Within-and between-subject relations. Psychophysiology, 30, 486-495.
95. Grossman, P., Stemmler, G., & Meinhardt, E. (1990). Paced respiratory sinus arrhythmia as an index of cardiac parasympathetic tone during varying behavioral tasks. Psychophysiology, 27, 404-416.
96. Grossman, P., & Svebak, S. (1987). Respiratory sinus arrhythmia as an index of parasympathetic cardiac control. Psychophysiology, 24, 228-235.
97. Grossman, P., van Beek, J., & Wientjes, C. (1990). A comparison of three quantification methods for estimation of respiratory sinus arrhythmia. Psychophysiology, 27, 702-714.
98. Grossman, P., Watkins, L. L., Wilhelm, F. H., Manolakis, D., & Lown, B. (1996). Cardiac vagal control and dynamic responses to psychological stressors among coronary artery disease patients. American Journal of Cardiology, 78, 1424-1427.
99. Grossman, P., & Wientjes, K. (1986). Respiratory sinus arrhythmia and parasympathetic cardiac control: Some basic issues concerning quantification, applications and implications. In P. Grossman, K. H. L. Janssen, & D. Vaitl ( Eds.), Cardiorespiratory and cardiosomatic psychophysiology (pp. 117-138). New York: Plenum Press.
100. Guyton, A. C., & Harris, J. W. (1951). Pressoreceptor - Autonomic oscillation: A probable cause of vasomotor waves. American Journal of Physiology, 165, 158-169.
101. Guzzetti, S., Cogliati, C., Broggi, C., Carozzi, C., Caldiroli, D., Lombardi, F., & Malliani, A. (1994). Influences of neural mechanisms on heart period and arterial pressure variabilities in quadriplegic patients. American Journal of Physiology, 266, H1112-H1120.
102. Hales, S. (1733). Statical essays: Containing haemastaticks; or, An account of some hydraulick and hydrostatical experiments made on the blood and blood-vessels of animals. London: W. Innys, R. Manby, and T. Woodward.
103. Hamlin, R. L., Smith, C. R., & Smetzer, D. L. (1966). Sinus arrhythmia in the dog. American Journal of Physiology, 210, 321-328.
104. Hayano, J., Mukai, S., Sakakibara, M., Okada, A., Takata, K., & Fujinami, T. (1994). Effects of respiratory interval on vagal modulation of heart rate. American Journal of Physiology, 267, H33-H40.
105. Hayano, J., Sakakibara, Y., Yamada, A., Yamada, M., Mukai, S., Fujinami, T., Yokoyama, K., Watanabe, Y., & Takata, K. (1991). Accuracy of assessment of cardiac vagal tone by heart rate variability in normal subjects. American Journal of Cardiology, 67, 199-204.
106. Hedman, A. E., Tahvanainen, K. U., Hartikainen, J. E., & Hakumäki, M. O. (1995). Effect of sympathetic modulation and sympatho-vagal interaction on heart rate variability in anaesthetized dogs. Acta Physiologica Scandinavica, 155, 205-214.
107. Hering, H. E. (1910). A functional test of heart vagi in man. Menschen München Medizinische Wochenschrift, 57, 1931-1933.
108. Hill, M. R., Wallick, D. W., Martin, P. J., & Levy, M. N. (1995). Effects of repetitive stimulation on heart rate and on cardiac vasoactive intestinal polypeptide efflux. American Journal of Physiology, 268, H1939-H1946.
109. Hill-Smith, I., & Purves, R. D. (1978). Synaptic delay in the heart: An iontophoretic study. Journal of Physiology, 279, 31-54.
110. Hille, B. (1992). Ionic channels of excitable membranes. Sunderland, MA: Sinauer Associates.
111. Hirsch, J. A., & Bishop, B. (1981). Respiratory sinus arrhythmia in humans: How breathing pattern modulates heart rate. American Journal of Physiology, 241, H620-H629.
112. Hnatiow, M., & Lang, P. J. (1965). Learned stabilization of cardiac rate. Psychophysiology, 1, 330-336.
113. Hnatkova, K., Copie, X., Staunton, A., & Malik, M. (1995). Numeric processing of Lorenz plots of R-R intervals from long-term ECGs. Journal of Electrocardiology, 28(Suppl.), 74-80.
114. Horner, R. L., Brooks, D., Kozar, L. F., Gan, K., & Philipson, E. A. (1995). Respiratory-related heart rate variability persists during central apnea in dogs: Mechanisms and implications. Journal of Applied Physiology, 78, 2003-2013.
115. Hopf, H.-B., Skyschally, A., Heusch, G., & Peters, J. (1995). Low-frequency spectral power of heart rate variability is not a specific marker of cardiac sympathetic modulation. Anesthesiology, 82, 609-619.
116. Hon, E. H. (1958). The electronic evaluation of the fetal heart rate. American Journal of Obstetrics and Gynecology, 75, 1215-1230.
117. Hon, E. H., & Lee, S. T. (1963). The electronic evaluation of the fetal heart rate. VIII. Patterns preceding fetal death; further observations. American Journal of Obstetrics and Gynecology, 87, 814.
118. Inui, K., Nomura, J., Murase, S., & Nosaka, S. (1995). Facilitation of the arterial baroreflex by the preoptic area in anaesthetized rats. Journal of Physiology, 488, 521-531.
119. Iwase, S., Mano, T., & Saito, M. (1987). Effects of graded head-up tilting on muscle sympathetic activities in man. The Physiologist, 30, S62-S65.
120. Janssen, M. J. A., Swenne, C. A., de Bie, J., Rompelman, O., & van Bemmel, J. H. (1993). Methods in heart rate variability analysis: Which tachogram should we choose? Computer Methods and Programs in Biomedicine, 41, 1-8.
121. James, T. N. (1973). The sinus node as a servomechanism. Circulation Research, 32, 307-313.
122. Japundzic, N., Grichois, M. L., Zitoun, P., Laude, D., & Elghozi, J. L. (1990). Spectral analysis of blood pressure and heart rate in conscious rats: Effects of autonomic blockers. Journal of the Autonomic Nervous System, 30, 91-100.
123. Jennings, J. R., Berg, W. K., Hutcheson, J. S., Obrist, P., Porges, S., & Turpin, G. (1981). Publication guidelines for heart rate studies in man. Psychophysiology, 18, 226-231.
124. Jokkel, G., Bonyhay, I., & Kollai, M. (1995). Heart rate variability after complete autonomic blockade in man. Journal of the Autonomic Nervous System, 51, 85-89.
125. Jose, A. D., & Taylor, R. R. (1969). Autonomic blockade by propranolol and atropine to study intrinsic myocardial function in man. Journal of Clinical Investigation, 48, 2019-2031.
126. Jung, J., Heisel, A., Tscholl, D., Fries, R., Schieffer, H., & Ozbek, C. (1996). Assessment of heart rate variability by using different commercially available systems. American Journal of Cardiology, 78, 118-120.
127. Kahneman, D. (1973). Attention and effort. Englewood Cliffs, NJ: Prentice-Hall.
128. Kalsbeek, J. W. H., & Ettema, J. H. (1963). Scored irregularity of the heart pattern and the measurement of perceptual or mental load. Ergonomics, 6, 306-307.
129. Kanters, J. K., Hojgaard, M. V., Agner, E., & Holstein-Rathlou, N. H. (1996). Short-and long-term variations in non-linear dynamics of heart rate variability. Cardiovascular Research, 31, 400-409.
130. Kanters, J. K., Holstein-Rathlou, N. H., & Agner, E. (1994). Lack of evidence for low-dimensional chaos in heart rate variability. Journal of Cardiovascular Electrophysiology, 5, 591-601.
131. Kashyap, R. L. (1980). Inconsistency of the AIC rule for estimating the order of autoregressive models. IEEE Transactions on Automatic Control, 25, 996-997.
132. Katona, P. G., & Jih, F. (1975). Respiratory sinus arrhythmia: A noninvasive measure of parasympathetic cardiac control. Journal of Applied Physiology, 39, 801-805.
133. Katona, P. G., Lipson, D., & Danchot, P. J. (1977). Opposing central and peripheral effects of atropine on parasympathetic cardiac control. American Journal of Physiology, 232, H146-H151.
134. Katona, P. G., Poitras, J. W., Barnett, G. O., & Terry, B. S. (1970). Cardiac vagal efferent activity and heart period in the carotid sinus reflex. American Journal of Physiology, 218, 1030-1037.
135. Kay, S. M., & Marple, S. L. (1981). Spectrum analysis - A modern perspective. Proceedings of the IEEE, 69, 1380-1419.
136. Kezdi, P., & Geller, E. (1968). Baroreceptor control of postganglionic sympathetic nerve discharge. American Journal of Physiology, 214, 427-435.
137. Kingwell, B. A., Thompson, J. M., Kaye, D. M., McPherson, G. A., Jennings, G. L., & Esler, M. D. (1994). Heart rate spectral analysis, cardiac norepinephrine spillover, and muscle sympathetic nerve activity during human sympathetic nervous activation and failure. Circulation, 90, 234-240.
138. Kitney, R. I. (1975). An analysis of the nonlinear behaviour of the human thermal vasomotor control system. Journal of Theoretical Biology, 52, 231-248.
139. Kitney, R. I. (1980). An analysis of the thermoregulatory influences on heart-rate variability. In R. I. Kitney & O. Rompelman (Eds.), The study of heart-rate variability (pp. 81-106). Oxford: Clarendon Press.
140. Kitney, R. I., & Darvish, N. (1995). Techniques for studying short-term changes in cardio-respiratory data, II. In M. Di Renzo, G. Mancia, G. Parati, A. Pedoni, & A. Zanchetti (Eds.), Computer analysis of cardiovascular signals (pp. 41-52). Amsterdam: IOS Press (Ohmsha).
141. Kleiger, R. E., Miller, J. P., Bigger, J. T., Moss, A. J., & the Multicenter Post-Infarction Research Group. (1987). Decreased heart rate variability and its association with increased mortality after acute myocardial infarction. American Journal of Cardiology, 59, 256-262.
142. Koepchen, H. P. (1984). History of studies and concepts of blood pressure waves. In K. Miyakawa, H. P. Koepchen, & C. Polosa (Eds.), Mechanisms of blood pressure waves (pp. 3-23). Tokyo: Science Society Press/Springer-Verlag.
143. Koh, J., Brown, T. E., Beightol, L. A., Ha, C. Y., & Eckberg, D. L. (1994). Human autonomic rhythms: Vagal cardiac mechanisms in tetraplegic subjects. Journal of Physiology, 474, 483-495.
144. Koizumi, K., Ischikawa, T., Nishono, H., & Brooks, C. M. (1975). Cardiac and autonomic system reactions to stretch of the atria. Brain Research, 87, 247-261.
145. Koizumi, K., & Kollai, M. (1992). Multiple modes of operation of cardiac autonomic control: Development of the ideas from Cannon and Brooks to the present. Journal of the Autonomic Nervous System, 41, 19-28.
146. Koizumi, K., Terui, N., & Kollai, M. (1985). Effect of cardiac vagal and sympathetic nerve activity on heart rate in rhythmical fluctuation. Journal of the Autonomic Nervous System, 12, 251-259.
147. Kollai, M., & Mizsei, G. (1990). Respiratory sinus arrhythmia is a limited measure of cardiac parasympathetic control in man. Journal of Physiology, 424, 329-342.
148. Lacey, J. I. (1967). Somatic response patterning and stress: Some revisions of activation theory. In M. H. Appley & R. Trumbull (Eds.), Psychological stress: Issues in research (pp. 14-37). New York: Appleton-Century-Crofts.
149. Lacey, J. I., & Lacey, B. C. (1958). Verification and extension of the principle of autonomic response stereotypy. American Journal of Psychology, 71, 50-73.
150. Lang, P. J., Sroufe, L. A., & Hastings, J. E. (1967). Effects of feedback and instructional set on the control of cardiac rate variability. Journal of Experimental Psychology, 75, 425-431.
151. Lawler, J. E., Sanders, B. J., Cox, R. H., & O'Connor, E. F. (1991). Baroreflex function in chronically stressed borderline hypertensive rats. Physiology and Behavior, 49, 539-542.
152. Levy, M. N. (1971). Sympathetic-parasympathetic interactions in the heart. Circulation Research, 29, 437-445.
153. Levy, M. N., & Warner, M. R. (1994). Parasympathetic effects on cardiac function. In J. A. Armour & J. L. Ardell (Eds.), Neurocardiology (pp. 53-76). New York: Oxford University Press.
154. Levy, M. N., Yang, T., & Wallick, D. W. (1993). Assessment of beat-by-beat control of heart rate by the autonomic nervous system: Molecular biology techniques are necessary, but not sufficient. Journal of Cardiovascular Electrophysiology, 4, 183-193.
155. Levy, M. N., & Zieske, H. (1969). Autonomic control of cardiac pacemaker activity and atrioventricular transmission. Journal of Applied Physiology, 27, 465-470.
156. Linden, W., & Estrin, R. (1988). Computerized cardiovascular monitoring: Method and data. Psychophysiology, 25, 227-234.
157. Litvack D. A., Oberlander, T. F., Carney, L. H., & Saul, J. P. (1995). Time and frequency domain methods for heart rate variability analysis: A methodological comparison. Psychophysiology, 32, 492-504.
158. Loewy, A. D., & Spyer, K. M. (1990). Central regulation of autonomic functions. New York: Oxford University Press.
159. Lombardi, F., Sandrone, G., Pernpruner, S., Sala, R., Garimoldi, M., Cerutti, S., Baselli, G., Pagani, M., & Malliani, A. (1987). Heart rate variability as an index of sympathetic interaction after acute myocardial infarction. American Journal of Cardiology, 60, 1239-1245.
160. Ludwig, C. (1847). Beiträge zur Kenntniss des Einflusses der Respirationsbewegungen auf den Blutlauf im Aortensysteme. Muller's Archiv für Anatomic, Physiologie, und Wissenschaftliche Medicin, 242-302.
161. Lumbers, E. R., McCloskey, D. I., & Potter, E. K. (1979). Inhibition by angiotensin II of baroreceptor-evoked activity in cardiac vagal efferent nerves in the dog. Journal of Physiology, 294, 69-80.
162. Maciel, B. C., Gallo Junior, L., Marin Neto, J. A., Lima Filho, E. C., Terra Filho, J., & Manco, J. C. (1985). Parasympathetic contribution to bradycardia induced by endurance training in man. Cardiovascular Research, 19, 642-648.
163. MacKenzie, J. (1910). Diseases of the heart (2nd ed.). London: Oxford Medical Publications.
164. Madden, K., & Savard, G. K. (1995). Effects of mental state on heart rate and blood pressure variability in men and women. Clinical Physiology, 15, 557-569.
165. Madwed, J. B. (1986). Dynamic analysis of arterial blood pressure and heart rate during baseline conditions and hemorrhage in the conscious dog. Unpublished doctoral thesis, Harvard University, Cambridge.
166. Madwed, J. B., Albrecht, P., Mark, R. G., & Cohen, R. J. (1989). Low-frequency oscillations in arterial pressure and heart rate: A simple computer model. American Journal of Physiology, 256, H1573-H1579.
167. Madwed, J. B., & Cohen, R. J. (1991). Heart rate response to hemorrhage-induced 0.05-Hz oscillations in arterial pressure in conscious dogs. American Journal of Physiology, 260, H1248-H1253.
168. Malik, M. (1995). Geometrical methods for heart rate variability assessment. In M. Malik & A. J. Camm (Eds.), Heart rate variability (pp. 47-61). Armonk: Futura Press.
169. Malik, M., & Camm, A. J. (1990). Significance of long-term components of heart rate variability for the further prognosis after acute myocardiac infarction. Cardiovascular Research, 24, 793-803.
170. Malik, M., & Camm, A. J. (1993). Components of heart rate variability -What they really mean and what we really measure. American Journal of Cardiology 72, 821-822.
171. Malik, M., Farrell, T., & Camm, A. J. (1990). Circadium rhythm of heart rate variability after acute myocardial infarction and its influence on the prognostic value of heart rate variability. American Journal of Cardiology, 66, 1049-1054.
172. Malik, M., Xia, R., Odemuyiwa, O., Staunton, A., Poloniecki, J., & Camm, A. J. (1993). Influence of the recognition artefact in automatic analysis of long-term electrocardiograms on time-domain measurement of heart rate variability. Medical and Biological Engineering and Computing, 31, 539-544.
173. Malliani, A., Pagani, M., & Lombardi, F. (1994). Physiology and clinical implications of variability of cardiovascular parameters with focus on heart rate and blood pressure. American Journal of Cardiology, 73, 3C-9C.
174. Malliani, A., Pagani, M., Lombardi, F., & Cerutti, S. (1991). Cardiovascular neural regulation explored in the frequency domain. Circulation, 84, 482-492.
175. Mayer, S. (1877). Studien zur Physiologie des Herzens und der Blutgefässe: 5. Abhandlung: Über spontane Blutdruckschwankungen. Sitzungsberichte der Kaiserlichen Akademie der Wisenschaft Mathemat-Naturwissenschaft Classe, 74, 281-307.
176. McCabe, P. M., Yongue, B. G., Ackles, P. K., & Porges, S. W. (1985). Changes in heart period, heart-period variability, and a spectral analysis estimate of respiratory sinus arrhythmia in response to pharmacological manipulations of the baroreceptor reflex in cats. Psychophysiology, 22, 195-203.
177. Merri, M., Arden, D. C., Motley, J. G., & Titlebaum, E. L. (1990). Sampling frequency of the electrocardiogram for spectral analysis of the heart rate variability. IEEE Transactions on Biomedical Engineering, 37, 99-106.
178. Montano, N., Ruscone, T. G., Porta, A., Lombardi, F., Pagani, M., & Malliani, A. (1994). Power spectrum analysis of heart rate variability to assess the changes in sympathovagal balance during graded orthostatic tilt. Circulation, 90, 1826-1831.
179. Mukai, S., & Hayano, J. (1995). Heart rate and blood pressure variabilities during graded head-up tilt. Journal of Applied Physiology, 78, 212-216.
180. Mulder, G. (1985). Attention, effort and sinus arrhythmia: How far are we? In J. F. Orlebeke, G. Mulder, & L. J. P. van Dornan (Eds.), Psychophysiology of cardiovascular control (pp. 407-424). New York: Plenum Press.
181. Mulder, G., & Mulder, L. (1981). Information processing and cardiovascular control. Psychophysiology, 18, 392-402.
182. Mulder, L. J. M. (1992). Measurement and analysis methods of heart rate and respiration for use in applied environments. Biological Psychology, 34, 205-236.
183. Murphy, C. A., Sloan, R. P., & Myers, M. M. (1991). Pharmacologic responses and spectral analyses of spontaneous fluctuations in heart rate and blood pressure in SHR rats. Journal of the Autonomic Nervous System, 36, 237-250.
184. Neafsey, E. J. (1990). Prefrontal cortical control of the autonomic nervous system: Anatomical and physiological observations. Progress in Brain Research, 85, 147-166.
185. Ninomiya, I., Nisimaru, N., & Irisawa, H. (1971). Sympathetic nerve activity to the spleen, kidney, and heart in response to baroceptor input. American Journal of Physiology, 221, 1346-1351.
186. Novak, V., Novak, P., Kus, T., & Nadeau, R. (1995). Slow cardiovascular rhythms in tilt and syncope. Journal of Clinical Neurophysiology, 12, 64-71.
187. Obrist, P. A. (1981). Cardiovascular psychophysiology. New York: Plenum Press.
188. Odemuyiwa, O., Malik, M., Farrell, T., Bashir, Y, Poloniecki, J., & Camm, A. J. (1991). A comparison of the predictive characteristic of heart rate variability index and left ventricular ejections fraction for all-cause mortality, arrhythmic events and sudden death after acute myocardial infarction. American Journal of Cardiology, 68, 434-439.
189. Pagani, M., Lombardi, F., Guzzetti, S., Rimoldi, O., Furlan, R., Pizzinelli, P., Sandrone, G., Malfatto, G., Dell'Orto, S., Piccaluga, E., Turiel, M., Baselli, G., Cerutti, S., & Maliani, A. (1986). Power spectral analysis of heart rate and arterial pressure variabilities as a marker of sympathovagal interaction in man and conscious dog. Circulation Research, 59, 178-193.
190. Parati, G., Castiglioni, P., Di Rienzo, M., Omboni, S., Pedotti, A., & Mancia, G. (1990). Sequential spectral analysis of 24-hour blood pressure and pulse interval in humans. Hypertension, 16, 414-421.
191. Parati, G., Saul, J. P., Di Rienzo, M., & Mancia, G. (1995). Spectral analysis of blood pressure and heart rate variability in evaluating cardiovascular regulation: A critical appraisal. Hypertension, 25, 1276-1286.
192. Parer, W. J., & Parer, J. T. (1985). Validity of mathematical methods of quantitating fetal heart rate variability. American Journal of Obstetrics and Gynecology, 153, 402-409.
193. Parker, P., Celler, B. G., Potter, E. K., & McCloskey, D. I. (1984). Vagal stimulation and cardiac slowing. Journal of the Autonomic Nervous System, 11, 226-231.
194. Patwardhan, A. R., Evans, J. M., Bruce, E. N., Eckberg, D. L., & Knapp, C. F. (1995). Voluntary control of breathing does not alter vagal modulation of heart rate. Journal of Applied Physiology, 78, 2087-2094.
195. Patwardhan, A. R., Vallurupalli, S., Evans, J. M., Bruce, E. N., & Knapp, C. F. (1995). Override of spontaneous respiratory pattern generator reduces cardiovascular parasympathetic influence. Journal of Applied Physiology, 79, 1048-1054.
196. Penáz, J. (1962). Frequency response of the cardiac chronotropic action of the vagus in the rabbit. Archives Internationales de Physiologie, de Biochimie et de Biophysique, 70, 636-650.
197. Penáz, J. (1978). Mayer waves: History and methodology. Automedica, 2, 135-141.
198. Peng, C. K., Havlin, S., Hausdorff, J. M., Mietus, J. F., Stanley, H. E., & Goldberger, A. L. (1995). Fractal mechanisms and heart rate dynamics. Long-range correlations and their breakdown with disease. Journal of Electrocardiology, 28(Suppl.), 59-65.
199. Perini, R., Orizio, C., Baselli, G., Cerutti, S., & Veiesteinas, A. (1990). The influence of exercise intensity on the power spectrum of heart rate variability. European Journal of Applied Physiology, 61, 143-148.
200. Pipberger, H. V., Arzbaecher, R. C., Berson, A. S., Briller, S. A., Brody, D. A., Flowers, N. C., Geselowitz, D. B., Lepeschkin, E., Oliver, G. C., Schmitt, O. H., & Spach, M. (1975). Recommendations for standardization of leads and specifications for instruments in electrocardiography and vectorcardiography: Report of the Committee of Electrocardiography. American Heart Association. Circulation, 52, 11-31.
201. Polosa, C. (1984). Central nervous system origin of some types of Mayer waves. In K. Miyakawa, H. P. Koepchen, & C. Polosa (Eds.), Mechanisms of blood pressure waves (pp. 277-292). Berlin: Springer.
202. Pomeranz, B., MaCaulay, R. J. B., Caudill, M. A., Kutz, I., Adam, D., Gordon, D., Kilborn, K. M., Barger, A. C., Shannon, D. C., Cohen, R. J., & Benson, H. (1985). Assessment of autonomic function in humans by heart rate spectral analysis. American Journal of Physiology, 248, H151-H153.
203. Porges, S. W. (1972). Heart rate variability and deceleration as indices of reaction time. Journal of Experimental Psychology, 92, 103-110.
204. Porges, S. W. (1986). Respiratory sinus arrhythmia: Physiological basis, quantitative methods, and clinical implications. In P. Grossman, K. Janssen, & D. Vaitl (Eds.), Cardiorespiratory and cardiosomatic psychophysiology (pp. 101-115). New York: Plenum Press.
205. Porges, S. W. (1995). Orienting in a defensive world: Mammalian modifications of our evolutionary heritage: A polyvagal theory. Psychophysiology, 32, 301-318.
206. Porges, S. W., & Bohrer, R. E. (1990). Analyses of periodic processes in psychophysiological research. In J. T. Cacioppo & L. G. Tassinary (Eds.), Principles of psychophysiology: Physical, social, and inferential elements (pp. 708-753). New York: Cambridge University Press.
207. Porges, S. W., Bohrer, R. E., Cheung, M. N., Drasgow, F., McCabe, P. M., & Keren, G. (1980). New time-series statistic for detecting rhythmic co-occurrence in the frequency domain: The weighted coherence and its application to psychophysiological research. Psychological Bulletin, 88, 580-587.
208. Porges, S. W., & Byrne, E. A. (1992). Research methods for measurement of heart rate and respiration. Biological Psychology, 34, 93-130.
209. Porges, S. W., & Raskin, D. C. (1969). Respiratory and heart rate components of attention. Journal of Experimental Psychology, 81, 497-503.
210. Potter, E. K., Mitchell, L., McCloskey, M. J., Tseng, A., Goodman, A. E., Shine, J., & McCloskey, D. I. (1989). Pre-and postjunctional actions of neuropeptide Y and related peptides. Regulatory Peptides, 25, 167-177.
211. Preiss, G., Iscoe, S., & Polosa, C. (1975). Analysis of a periodic breathing pattern associated with Mayer waves. American Journal of Physiology, 228, 768-774.
212. Preiss, G., & Polosa, C. (1974). Patterns of sympathetic neuron activity associated with Mayer waves. American Journal of Physiology, 226, 724-730.
213. Priban, I. P. (1963). An analysis of some short-term patterns of breathing in man at rest. Journal of Physiology, 166, 425-434.
214. Price, A. D. (1975). Heart rate variability and respiratory concomitants of visual and nonvisual imagery and cognitive style. Journal of Research in Personality, 9, 341-355.
215. Quigley, K. S., & Berntson, G. G. (1996). Autonomic interactions and chronotropic control of the heart: Heart period versus heart rate. Psychophysiology, 33, 605-611.
216. Raczkowska, M., Eckberg, D. L., & Ebert, T. J. (1983). Muscarinic cholinergic receptors modulate vagal cardiac responses in man. Journal of the Autonomic Nervous System, 7, 271-278.
217. Ramanathan, A., & Myers, G. A. (1995). Data preprocessing in spectral analysis of heart rate variability. Journal of Electrocardiology, 29, 45-47.
218. Randall, W. C. (1994). Efferent sympathetic innervation of the heart. In J. A. Armour & J. L. Ardell (Eds.), Neurocardiology (pp. 77-94). New York: Oxford University Press.
219. Rea, R. F., & Eckberg, D. L. (1987). Carotid baroreceptor-muscle sympathetic relation in humans. American Journal of Physiology, 253, R929-R934.
220. Richards, J. E., & Casey, B. J. (1991). Heart rate variability during attention phases in young infants. Psychophysiology, 28, 43-53.
221. Richter, D. W., & Spyer, K. M. (1990). Cardiorespiratory control. In A. D. Loewy & K. M. Spyer (Eds.), Central regulation of autonomic functions. (pp. 189-207). New York: Oxford University Press.
222. Rigel, D. F., Lipson, D., & Katona, P. G. (1984). Excess tachycardia: Heart rate after antimuscarinic agents in conscious dogs. American Journal of Physiology, 84, H168-H173.
223. Riniolo, T., & Porges, S. W., (1997). Inferential and descriptive influences on measures of respiratory sinus arrhythmia: Sampling rate, R-wave trigger accuracy, and variance estimates. Psychophysiology, 34, 613-621.
224. Rompelman, O., Coenen, A. J. R. M., & Kitney, R. I. (1977). Measurement of heart rate variability. Part I: Comparative study of heart rate variability analysis methods. Medical and Biological Engineering and Computing, 15, 233-239.
225. Rompelman, O., Snijders, J. B. I. M., & van Spronsen, C. J. (1982). The measurement of heart rate variability spectra with the help of a personal computer. IEEE Transactions on Biomedical Engineering, 29, 503-510.
226. Rosenbaum, M., & Race, D. (1968). Frequency-response characteristics of vascular resistance vessels. American Journal of Physiology, 215, 1397-1402.
227. Rosenblueth, A., & Simeone, F. A. (1934). The interrelations of vagal and accelerator effects on the cardiac rate. American Journal of Physiology, 110, 42-55.
228. Rother, M., Witte, H., Zwiener, U., Eiselt, M., & Fischer, P. (1989). Cardiac aliasing - A possible cause for the misinterpretation of cardiorespirographic data in neonates. Early Human Development, 20, 1-12.
229. Sands, K. E. F., Appel, M. L., Lilly, L. S., Schoen, F. J., Mudge, G. H., & Cohen, R. J. (1989). Power spectral analysis of heart rate variability in human cardiac transplant recipients. Circulation, 79, 76-82.
230. Saul, J. P., Albrecht, P., Berger, R. D., Cohen, R. J. (1988). Analysis of long term heart rate variability: Methods, 1/f scaling and implications. Computers in Cardiology, 15, 419-422.
231. Saul, J. P., Arai, Y., Berger, R. D., Lilly, L. S., Colucci, W. S., & Cohen, R. J. (1988). Assessment of autonomic regulation in chronic congestive heart failure by heart rate spectral analysis. American Journal of Cardiology, 61, 1292-1299.
232. Saul, J. P., Berger, R. D., Albrecht, P., Stein, S. P., Chen, M. H., & Cohen, R. J. (1991). Transfer function analysis of the circulation: Unique insights into cardiovascular regulation. American Journal of Physiology, 261, H1231-H1245.
233. Saul, J. P., Berger, R. D., Chen, M. H., & Cohen, R. J. (1989). Transfer function analysis of autonomic regulation: II. Respiratory sinus arrhythmia. American Journal of Physiology, 256, H153-H161.
234. Saul, J. P., Kaplan, D. T., & Kitney, R. I. (1988). Nonlinear interactions between respiration and heart rate: A phenomenon common to multiple physiologic states. Computers in Cardiology, 15, 299-302.
235. Saul, J. P., Parati, G., Cohen, R. J., & Lam, K. H. (1992). Identification of dynamic baroreflex responses using random interval neck stimulation [Abstract]. Circulation, 86, 1-481.
236. Saul, J. P., Rea, R. F., Eckberg, D. L., Berger, R. D., & Cohen, R. J. (1990). Heart rate and muscle sympathetic nerve variability during reflex changes of autonomic activity. American Journal of Physiology, 258, H713-H721.
237. Sayers, B. McA. (1973). Analysis of heart rate variability. Ergonomics, 16, 17-32.
238. Scheffer, G. J., TenVoorde, B. J., Karemaker, J. M., & Ros, H. H. (1994). Effects of epidural analgesia and atropine on heart rate and blood pressure variability: Implications for the interpretation of beat-to-beat fluctuations. European Journal of Anaesthesiology, 11, 75-80.
239. Shapiro, P. A., Sloan, R. P., Bagiella, E., Bigger, J. T., & Gorman, J. M. (1996). Heart rate reactivity and heart period variability throughout the first year after heart transplantation. Psychophysiology, 33, 54-62.
240. Sheffield, L. T., Berson, A., Bragg-Remschel, D., Gillette, P. C., Hermes, R. E., Hinkle, L., Kennedy, H., Mirvis, D. M., & Oliver, C. (1985). AHA special report. Recommendations for standards of instrumentation and practice in the use of ambulatory electrocardiology. Task force of the Committee on Electrocardiology and Cardiac Electrophysiology of the Council on Clinical Cardiology. Circulation, 71, 626-636A.
241. Shine, J., Potter, E. K., Biden, T., Selbie, L. A., & Herzog, H. (1994). Neuropeptide Y and regulation of the cardiovascular system. Journal of Hypertension, 12(Suppl.), S41-S45.
242. Siegel, G. (1983). Principles of vascular rhythmogenesis. Progress in Applied Microcirculation, 3, 40-62.
243. Sleight, P., La Rovere, M. T., Mortara, A., Pinna, G., Maestri, R., Leuzzi, S., Bianchini, B., Tavazzi, L., & Bernardi, L. (1995). Physiology and pathophysiology of heart rate and blood pressure variability in humans: Is power spectral analysis largely an index of baroreflex gain? Clinical Science, 88, 103-109.
244. Sloan, R. P., Shapiro, P. A., Bagiella, E., Bigger, J. T., Jr., Lo, E. S., & Gorman, J. M. (1996). Relationships between circulating catecholamines and low frequency heart period variability as indices of cardiac sympathetic activity during mental stress. Psychosomatic Medicine, 58, 25-31.
245. Sloan, R. P., Shapiro, P. A., Bagiella, E., Gorman, J. M., & Bigger, J. T., Jr. (1995). Temporal stability of heart period variability during a resting baseline and in response to a psychological challenge. Psychophysiology, 32, 191-196.
246. Somsen, R. J. M., Molenaar, P. C. M., van der Molen, M. W., & Jennings, J. R. (1991). Behavioral modulation patterns fit an animal model of vagus-cardiac pacemaker interactions. Psychophysiology, 28, 383-399.
247. Spear, J. F., Kronhaus, K. D., Moore, E. N., & Kline, R. P. (1979). The effect of brief vagal stimulation on the isolated rabbit sinus node. Circulation Research, 44, 75-88.
248. Stephensen, R. B., Smith, O. A., & Scher, A. M. (1981). Baroreflex regulation of heart rate in baboons during different behavioral states. American Journal of Physiology, 241, 277-285.
249. Steptoe, A., & Sawada, Y. (1989). Assessment of baroreceptor reflex function during mental stress and relaxation. Psychophysiology, 26, 140-147.
250. Task Force of the European Society of Cardiology and the North American Society of Pacing and Electrophysiology. (1996). Heart rate variability: Standards of measurement, physiological interpretation, and clinical use. Circulation, 93, 1043-1065.
251. Taylor, J. A., Carr, D. L., & Eckberg, D. L. (1997). Mechanisms underlying very low frequency R-R interval oscillations in humans. Manuscript submitted for publication.
252. Thackray, R. I., Jones, K. N., & Touchstone, R. M. S. (1974). Personality and physiological correlates depend on a monotonous task requiring sustained attention. British Journal of Psychology, 65, 351-358.
253. Thorne, P. R., Engel, B. T., & Holmblad, J. B. (1976). An analysis of the error inherent in estimating heart rate from cardiotachometcr records. Psychophysiology, 13, 269-272.
254. Ulman, L. G., Moriarity, M., Potter, E. K., & McCloskey, D. I. (1993). Galanin antagonist effects on cardiac vagal inhibitory actions of sympathetic stimulation in anaesthetized cats and dogs. Journal of Physiology, 464, 491-499.
255. van den Aardweg, J. G., & Karemaker, J. M. (1991). Respiratory variability and associated cardiovascular changes in adults at rest. Clinical Physiology, 11, 95-118.
256. van Steenis, H. G., Tulen, J. H., & Mulder, L. J. (1994). Heart rate variability spectra based on non-equidistant sampling: The spectrum of counts and the instantaneous heart rate spectrum. Medical Engineering and Physics, 16, 355-362.
257. Wallin, B. G., Esler, M., Dorward, P., Eisenhofer, G., Ferrier, C., Westerman, R., & Jennings, G. (1992). Simultaneous measurements of cardiac noradrenaline spillover and sympathetic outflow to skeletal muscle in humans. Journal of Physiology, 453, 45-58.
258. Watkins, L., Grossman, P., & Sherwood, A. (1996). Noninvasive assessment of baroreflex control in borderline hypertension: Comparison with the phenylephrine method. Hypertension, 28, 238-243.
259. Weber, E. J., Molenaar, P. C., & van der Molen, M. W. (1992a). A nonstationarity test for the spectral analysis of physiological time series with an application to respiratory sinus arrhythmia. Psychophysiology, 29, 55-65.
260. Weber, E. M. J., Molenaar, P. C. M., & van der Molen, M. W. (1992b). On spectral analysis and nonstationarity: Why not use a test if one is available? Psychophysiology, 29, 73-75.
261. Weber, R. J. M., van der Molen, M. W., & Molenaar, P. C. M. (1994). Heart rate and sustained attention during childhood: Age-changes in anticipatory heart rate, primary bradycardia, and respiratory sinus arrhythmia. Psychophysiology, 31, 164-174.
262. West, N. H., & van Vliet, B. N. (1983). Open-loop analysis of the pulmocutaneous baroreflex in the toad Bufo marinus. American Journal of Physiology, 245, R642-R650.
263. Witte, H., Zwiener, U., Rother, M., & Glaser, S. (1988). Evidence of a previously undescribed form of respiratory sinus arrhythmia (RSA) -The physiological manifestation of "cardiac aliasing." Pflugers Archives - European Journal of Physiology, 412, 442-444.
264. Wolf, S. (1967). The end of the rope: The role of the brain in cardiac death. Canadian Medical Association Journal, 97, 1022-1025.
265. Wundt, W. (1902). Grundzüge der physiologischen Psychologie (Vol. 2). Leipzig: W. Engelmann.
266. Xia, R., Odemuyiwa, O., Gill, J., Malik, M., & Camm, A. J. (1993). Influence of recognition errors of computerised analysis of 24-hour electrocardiograms on the measurement of spectral components of heart rate variability. International Journal of Biomedical Computing, 32, 223-235.
267. Yang, T. Senturia, J. B., & Levy, M. N. (1994). Antecedent sympathetic stimulation alters time course of chronotropic response to vagal stimulation in dogs. American Journal of Physiology, 266, H1339-H1347.
268. Zweibel, S. L., Bloomfield, D. M., & Bigger, J. T. (1995). RR variability detects increases in vagal modulation with phenylephrine infusion. Circulation, 92(Suppl.), I-144.
269. Zwiener, U., Luthke, B., Bauer, R., Richter, A., Hoyer, D., & Wagner, H. (1994). Forms of physiological aliasing within the heart rate fluctuations by higher frequent respiratory movements. Journal of Physiology and Pharmacology, 45, 563-572.