J F Thayer

Summary

Affiliation: National Institutes of Health
Country: USA

Publications

  1. ncbi request reprint A model of neurovisceral integration in emotion regulation and dysregulation
    J F Thayer
    National Institute of Aging Gerontology Research Center, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA
    J Affect Disord 61:201-16. 2000
  2. ncbi request reprint Neurovisceral integration in cardiac and emotional regulation
    Julian F Thayer
    LPC GRC National Institute on Aging, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA
    IEEE Eng Med Biol Mag 21:24-9. 2002
  3. ncbi request reprint Stop that! Inhibition, sensitization, and their neurovisceral concomitants
    Julian F Thayer
    National Institutes on Aging, Baltimore, Maryland 21224, USA
    Scand J Psychol 43:123-30. 2002
  4. ncbi request reprint Relationships among spectral measures of baroreflex sensitivity and indices of cardiac vagal control
    Marcellus M Merritt
    National Institute on Aging, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA
    Biomed Sci Instrum 39:193-8. 2003
  5. ncbi request reprint Alcohol use, urinary cortisol, and heart rate variability in apparently healthy men: Evidence for impaired inhibitory control of the HPA axis in heavy drinkers
    Julian F Thayer
    National Institute on Aging, NIA GRC LPC, 5600 Nathan Shock Drive, Baltimore, MD 21224, United States
    Int J Psychophysiol 59:244-50. 2006
  6. ncbi request reprint Understanding blood pressure variability: spectral indices as a function of gender and age
    John J Sollers
    National Institute on Aging, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA
    Biomed Sci Instrum 41:43-7. 2005
  7. ncbi request reprint Low educational attainment, John Henryism, and cardiovascular reactivity to and recovery from personally relevant stress
    Marcellus M Merritt
    Psychiatry and Behavioral Sciences, Behavioral Medicine Research Center, Duke University Medical Center, Durham, NC, USA
    Psychosom Med 66:49-55. 2004
  8. ncbi request reprint Psychosomatics and psychopathology: looking up and down from the brain
    Julian F Thayer
    NIA GRC LPC, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA
    Psychoneuroendocrinology 30:1050-8. 2005
  9. ncbi request reprint Examining changes in HRV in response to varying ambient temperature
    John J Sollers
    National Institute on Aging, GRC NIA NIH 2c15, 5600 Nathan Shock Dr, Baltimore, MD 21224, USA
    IEEE Eng Med Biol Mag 21:30-4. 2002
  10. ncbi request reprint Kullback-Leibler clustering of continuous wavelet transform measures of heart rate variability
    Donald E Mager
    National Institute on Aging, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA
    Biomed Sci Instrum 40:337-42. 2004

Detail Information

Publications59

  1. ncbi request reprint A model of neurovisceral integration in emotion regulation and dysregulation
    J F Thayer
    National Institute of Aging Gerontology Research Center, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA
    J Affect Disord 61:201-16. 2000
    ..From this perspective, the relative sympathetic activation seen in anxiety disorders may represent dis-inhibition due to faulty inhibitory mechanisms...
  2. ncbi request reprint Neurovisceral integration in cardiac and emotional regulation
    Julian F Thayer
    LPC GRC National Institute on Aging, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA
    IEEE Eng Med Biol Mag 21:24-9. 2002
  3. ncbi request reprint Stop that! Inhibition, sensitization, and their neurovisceral concomitants
    Julian F Thayer
    National Institutes on Aging, Baltimore, Maryland 21224, USA
    Scand J Psychol 43:123-30. 2002
    ....
  4. ncbi request reprint Relationships among spectral measures of baroreflex sensitivity and indices of cardiac vagal control
    Marcellus M Merritt
    National Institute on Aging, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA
    Biomed Sci Instrum 39:193-8. 2003
    ..The results suggest that an aggregation of the power across bands is problematic at best, and indicates the need to examine the various frequency components separately...
  5. ncbi request reprint Alcohol use, urinary cortisol, and heart rate variability in apparently healthy men: Evidence for impaired inhibitory control of the HPA axis in heavy drinkers
    Julian F Thayer
    National Institute on Aging, NIA GRC LPC, 5600 Nathan Shock Drive, Baltimore, MD 21224, United States
    Int J Psychophysiol 59:244-50. 2006
    ....
  6. ncbi request reprint Understanding blood pressure variability: spectral indices as a function of gender and age
    John J Sollers
    National Institute on Aging, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA
    Biomed Sci Instrum 41:43-7. 2005
    ..Overall, these data indicate that blood pressure variability derived via spectral analytic techniques is a useful tool for understanding cardiodynamics and may provide a more in-depth analysis of blood pressure response...
  7. ncbi request reprint Low educational attainment, John Henryism, and cardiovascular reactivity to and recovery from personally relevant stress
    Marcellus M Merritt
    Psychiatry and Behavioral Sciences, Behavioral Medicine Research Center, Duke University Medical Center, Durham, NC, USA
    Psychosom Med 66:49-55. 2004
    ..The objectives of the present study were to determine whether high JH and low SES (education, income, job status, and job strain) were associated with increased cardiovascular responses to laboratory social stressors...
  8. ncbi request reprint Psychosomatics and psychopathology: looking up and down from the brain
    Julian F Thayer
    NIA GRC LPC, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA
    Psychoneuroendocrinology 30:1050-8. 2005
    ..Finally, we discuss supportive evidence from recent studies of the reflexive startle blink, attention and working memory, which shows that low HRV predicts hypervigilance and inefficient allocation of attentional and cognitive resources...
  9. ncbi request reprint Examining changes in HRV in response to varying ambient temperature
    John J Sollers
    National Institute on Aging, GRC NIA NIH 2c15, 5600 Nathan Shock Dr, Baltimore, MD 21224, USA
    IEEE Eng Med Biol Mag 21:30-4. 2002
  10. ncbi request reprint Kullback-Leibler clustering of continuous wavelet transform measures of heart rate variability
    Donald E Mager
    National Institute on Aging, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA
    Biomed Sci Instrum 40:337-42. 2004
    ..of coefficients in the high frequency band (0.15-0.4 Hz). These findings may have clinical significance and the developed algorithm provides an alternative means of analyzing HRV data originating from populations with complex covariates...
  11. ncbi request reprint Time frequency analysis of the cardiovascular response during the intracarotid amobarbital test
    John J Sollers
    National Institute on Aging, NIH, Baltimore, MD, USA
    Biomed Sci Instrum 38:267-71. 2002
    ..These findings confirm the utility of time-frequency analysis in the investigation of cardiac time series...
  12. ncbi request reprint Central and autonomic nervous system integration in emotion
    Dirk Hagemann
    Laboratory of Personality and Cognition, National Institute on Aging, National Institutes of Health, Gerontology Research Center, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA
    Brain Cogn 52:79-87. 2003
    ..These observations are interpreted in terms of a model of neurovisceral integration in emotion, and directions for future research are presented...
  13. pmc Blood pressure reactivity and cognitive function in the Baltimore Longitudinal Study of Aging
    Jessica P Brown
    Department of Epidemiology and Preventive Medicine, University of Maryland School of Medicine, 655 West Baltimore Street, Baltimore, MD 21201, USA
    Health Psychol 28:641-6. 2009
    ..Several blood pressure indexes of autonomic dysregulation, including stress-induced blood pressure responses (i.e., reactivity), have been associated previously with stroke, silent cerebrovascular disease, and decreased cognitive function...
  14. pmc Effects of the physical work environment on physiological measures of stress
    Julian F Thayer
    National Institute of Aging, National Institutes of Health, Baltimore, Maryland, USA
    Eur J Cardiovasc Prev Rehabil 17:431-9. 2010
    ..In this study we investigated the effects of the physical work environment on two physiological measures of the stress response...
  15. ncbi request reprint A dynamical systems interpretation of a dimensional model of emotion
    M Faith
    National Institute on Aging, Baltimore, MD, USA
    Scand J Psychol 42:121-33. 2001
    ..Valence and arousal are discussed as motivational, driving parameters of affective experience and a dynamical systems conceptualization of emotion is proposed...
  16. ncbi request reprint Pulse pressure and pulse wave velocity are related to cognitive decline in the Baltimore Longitudinal Study of Aging
    Shari R Waldstein
    Department of Psychology, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250, USA
    Hypertension 51:99-104. 2008
    ..Aggressive treatment of risk factors associated with greater arterial stiffness may help preserve cognitive function with individuals' increasing age...
  17. ncbi request reprint Comparison of arterial compliance indices derived via beat-to-beat blood pressure waveforms: aging and ethnicity
    John J Sollers
    National Institute on Aging, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA
    Biomed Sci Instrum 42:518-23. 2006
    ..This technique is an excellent means to assess arterial compliance and is a useful measure to determine risk for adverse cardiovascular events...
  18. ncbi request reprint Ambulatory monitoring of cardiovascular responses during behavioral modification of an aggressive dog
    Nancy G Williams
    Departments of Comparative Medicine Section RRB and Emotions and Quantitative Psychophysiology Unit LPC, Gerontology Research Center, Baltimore, MD 21224, USA
    Biomed Sci Instrum 39:214-9. 2003
    ....
  19. ncbi request reprint Nonlinear relations of blood pressure to cognitive function: the Baltimore Longitudinal Study of Aging
    Shari R Waldstein
    Department of Psychology, University of Maryland, Baltimore County, 1000 Hilltop Cir, Baltimore, MD 21250, USA
    Hypertension 45:374-9. 2005
    ..Careful monitoring and treatment of both high and low BP levels may be critical to the preservation of cognitive function...
  20. ncbi request reprint Does resting electroencephalograph asymmetry reflect a trait? an application of latent state-trait theory
    Dirk Hagemann
    Laboratory of Personality and Cognition, National Institute on Aging, National Institutes of Health, Baltimore, Maryland, USA
    J Pers Soc Psychol 82:619-41. 2002
    ..Further analyses indicated that these fluctuations might be efficiently reduced by aggregation across several occasions...
  21. ncbi request reprint Hostility and distraction have differential influences on cardiovascular recovery from anger recall in women
    Senna A Neumann
    Department of Psychology, University of Maryland, Baltimore County, Catonsville, MD 21250, USA
    Health Psychol 23:631-40. 2004
    ..The findings also show beneficial effects of distraction in expediting cardiovascular recovery, possibly through reducing rumination and anger...
  22. ncbi request reprint Association between nocturnal vagal tone and sleep depth, sleep quality, and fatigue in alcohol dependence
    Michael R Irwin
    Cousins Center for Psychoneuroimmunology, University of California, Los Angeles, Neuropsychiatric Institute, Los Angeles, CA 90095 7057, USA
    Psychosom Med 68:159-66. 2006
    ....
  23. ncbi request reprint The role of vagal function in the risk for cardiovascular disease and mortality
    Julian F Thayer
    Department of Psychology, The Ohio State University, Columbus, OH 43210, USA
    Biol Psychol 74:224-42. 2007
    ....
  24. ncbi request reprint Beyond heart rate variability: vagal regulation of allostatic systems
    Julian F Thayer
    Department of Psychology, The Ohio State University, Columbus, OH 43210, USA
    Ann N Y Acad Sci 1088:361-72. 2006
    ..Finally, the identification of this neurovisceral regulatory system may help to illuminate the pathway via which psychosocial factors may influence health and disease...
  25. ncbi request reprint Comparison of the ratio of the standard deviation of the R-R interval and the root mean squared successive differences (SD/rMSSD) to the low frequency-to-high frequency (LF/HF) ratio in a patient population and normal healthy controls
    John J Sollers
    The Ohio State University, 1835 Neil Avenue, Columbus, OH 43210, USA
    Biomed Sci Instrum 43:158-63. 2007
    ..We sought to extend this work by examining a patient population. Results indicate that the SD/rMSSD ratio is a good surrogate for the LF/HF ratio across multiple contexts in both patients and normal healthy controls...
  26. ncbi request reprint Damned if you do, damned if you don't: the differential effect of expression and inhibition of anger on cardiovascular recovery in black and white males
    Nancy Dorr
    College of St Rose, Albany, New York, USA
    Int J Psychophysiol 66:125-34. 2007
    ..These results are consistent with Hokanson's social learning theory of recovery from anger instigation and have important implications for research on emotion regulation and health...
  27. ncbi request reprint Cardiac effects of momentary assessed worry episodes and stressful events
    Suzanne Pieper
    Department of Psychology, Leiden University, 2300 RB Leiden, Netherlands
    Psychosom Med 69:901-9. 2007
    ..e., during worry...
  28. ncbi request reprint Emotional irritation before mental stress is associated with enhanced peripheral norepinephrine
    Cora Stefanie Weber
    Department of Psychosomatic Medicine and Psychotherapy, Charite Universitatsmedizin, Campus Benjamin Franklin, Berlin, Germany
    Scand J Psychol 48:459-66. 2007
    ..Heightened emotional irritation before stress may be regarded as a psychological risk factor...
  29. ncbi request reprint Heart rate response is longer after negative emotions than after positive emotions
    Jos F Brosschot
    Leiden University, Section Clinical and Health Psychology, P O Box 9555, 2300RB, Leiden, The Netherlands
    Int J Psychophysiol 50:181-7. 2003
    ..Perseverative cognition (worry, rumination) might be responsible for this prolonged activation...
  30. ncbi request reprint Alexithymia predicts attenuated autonomic reactivity, but prolonged recovery to anger recall in young women
    Serina A Neumann
    Cardiovascular Behavioral Medicine Research Training Program, Department of Psychiatry, University of Pittsburgh, 4015 O Hara Street, 506 OEH, Pittsburgh, PA 15260, USA
    Int J Psychophysiol 53:183-95. 2004
    ..Autonomic dysregulation during and following acute emotional stress is suggested as a possible physiological pathway connecting alexithymia to cardiovascular disease...
  31. ncbi request reprint Toward a causal model of cardiovascular responses to stress and the development of cardiovascular disease
    Amy R Schwartz
    Yale University School of Medicine, New Haven, Connecticut, USA
    Psychosom Med 65:22-35. 2003
    ....
  32. ncbi request reprint Attentional and physiological characteristics of patients with dental anxiety
    Bjørn Helge Johnsen
    Department of Psychosocial Sciences, University of Bergen, Bergen, Norway
    J Anxiety Disord 17:75-87. 2003
    ..Results showed the importance of vagal cardiac control in attentional, emotional, and physiological processes in patients suffering from dental fear...
  33. ncbi request reprint Vagal influence on working memory and attention
    Anita Lill Hansen
    University of Bergen, Department of Psychosocial Sciences, Christiesgt 12, 5015 Bergen, Norway
    Int J Psychophysiol 48:263-74. 2003
    ..This was evident for both groups. The present results indicated that high HRV was associated with better performance on tasks involving executive function...
  34. ncbi request reprint The effects of controlled smoking on heart period variability
    Rachel E Nabors-Oberg
    University of Missouri Columbia, USA
    IEEE Eng Med Biol Mag 21:65-70. 2002
  35. ncbi request reprint The rhythm of the heart in the blink of an eye: emotion-modulated startle magnitude covaries with heart rate variability
    Elisabeth Ruiz-Padial
    Department of Psychology, University of Jaen, Jaen, Spain
    Psychophysiology 40:306-13. 2003
    ..These results have important implications for the use of startle probe methodology and for HRV in the study of emotional regulation and dysregulation...
  36. ncbi request reprint Estimating respiratory frequency from autoregressive spectral analysis of heart period
    Julian F Thayer
    University of Jaen
    IEEE Eng Med Biol Mag 21:41-5. 2002
  37. ncbi request reprint Progress in the analysis of heart-rate variability
    Julian F Thayer
    IEEE Eng Med Biol Mag 21:22-3. 2002
  38. ncbi request reprint Preattentive processing of alcohol stimuli
    Jon T Ingjaldsson
    Department of Clinical Psychology, University of Bergen, Norway
    Scand J Psychol 44:161-5. 2003
    ..No such attentional effect was found when the pictures were presented unmasked and were clearly perceived. The implication of these results for the understanding of relapse in addictive behavior is discussed...
  39. ncbi request reprint Craving for alcohol and pre-attentive processing of alcohol stimuli
    Jon T Ingjaldsson
    Department of Psychoscocial Science, University of Bergen, Christiesgate 12, 5015, Bergen, Norway
    Int J Psychophysiol 49:29-39. 2003
    ..The findings generally support the psychobiological theory of craving, which suggests that the uncontrollability of the craving experience is rooted in unconscious processing of drug-related information...
  40. ncbi request reprint Acute stress affects heart rate variability during sleep
    Martica Hall
    University of Pittsburgh Department of Psychiatry, Pittsburgh, PA, USA
    Psychosom Med 66:56-62. 2004
    ..In this study, we used autoregressive spectral analysis of the electrocardiogram (EKG) interbeat interval sequence to characterize stress-related changes in heart rate variability during sleep in 59 healthy men and women...
  41. ncbi request reprint Reduced heart rate variability in chronic alcohol abuse: relationship with negative mood, chronic thought suppression, and compulsive drinking
    Jon T Ingjaldsson
    Department of Clinical Psychology, University of Bergen, Bergen, Norway
    Biol Psychiatry 54:1427-36. 2003
    ..Previous research suggests that heart rate variability (HRV) may be an important factor in various maladaptive psychological conditions...
  42. ncbi request reprint Effect of angiotensin-converting enzyme insertion/deletion polymorphism DD genotype on high-frequency heart rate variability in African Americans
    Julian F Thayer
    National Institute on Aging Intramural Research Program, the National Center on Minority Health and Health Disparities, National Institutes of Health, Bethesda, Maryland, USA
    Am J Cardiol 92:1487-90. 2003
    ..The urban African-American population we studied had a particularly high cardiovascular risk, and these findings suggest that ACE I/D genotypes may modify that risk...
  43. ncbi request reprint Sex differences and heritability of two indices of heart rate dynamics: a twin study
    Harold Snieder
    Unit of Genetic Epidemiology and Bioinformatics, Department of Epidemiology, University Medical Center Groningen, Groningen, The Netherlands
    Twin Res Hum Genet 10:364-72. 2007
    ....
  44. ncbi request reprint Psychological stress is associated with heightened physiological arousal during NREM sleep in primary insomnia
    Martica Hall
    Department of Psychiatry, University of Pittsburgh School of Medicine, 3811 O Hara Street, Pittsburgh, PA 15213, USA
    Behav Sleep Med 5:178-93. 2007
    ..Perceived stress and stress-related avoidance behaviors were associated with multiple indexes of physiological arousal during NREM sleep in patients with chronic, primary insomnia...
  45. ncbi request reprint Facets of psychopathy, heart rate variability and cognitive function
    Anita Lill Hansen
    Dept of Clinical Psychology, University of Bergen, Norway
    J Pers Disord 21:568-82. 2007
    ..Subjects scoring high compared to low on the interpersonal facet also showed better cognitive functioning. The study suggests that the different facets were differently associated with both physiological and cognitive functions...
  46. ncbi request reprint The effect of sensitization and coping style on post-traumatic stress symptoms and quality of life: two longitudinal studies
    Bjørn Helge Johnsen
    Department of Psychosocial Science, University of Bergen, Norway
    Scand J Psychol 43:181-8. 2002
    ..Furthermore, only subjects with a dominant coping style of emotion-focused or task-focused coping showed a reduction in trauma-specific symptom scores over time...
  47. doi request reprint Sexual dysfunction and coronary artery disease: what applies to the gander may apply to the goose
    Richard D Lane
    Department of Psychiatry, University of Arizona, Tucson, Arizona, USA
    Am J Med 121:256-7. 2008
  48. ncbi request reprint A compact ECG R-R interval, respiration and activity recording system
    Takahiro Yoshimura
    Department of Electronics, Hiroshima Institute of Technology, Hiroshima 731 5193, Japan
    Biomed Sci Instrum 39:204-7. 2003
    ..Activity during walking and running is calculated from an accelerator. The detected data are stored in an EEPROM and after recording, are downloaded to a desktop computer for analysis...
  49. ncbi request reprint Daily worry is related to low heart rate variability during waking and the subsequent nocturnal sleep period
    Jos F Brosschot
    Division of Clinical and Health Psychology, Department of Psychology, Leiden University, Leiden, The Netherlands
    Int J Psychophysiol 63:39-47. 2007
    ..The results support the notion that worry, by prolonging CV activity, is a mediator of the CV risks of stress. They also imply a role for unconscious cognitive representation of stress...
  50. ncbi request reprint Expanding stress theory: prolonged activation and perseverative cognition
    Jos F Brosschot
    Division of Clinical and Health Psychology, Department of Psychology, Leiden University, 2300 RB Leiden, The Netherlands
    Psychoneuroendocrinology 30:1043-9. 2005
    ..There are only a few studies that showed that anticipatory responses and slow recovery from stress predicted disease states...
  51. ncbi request reprint Ethnic differences and heritability of heart rate variability in African- and European American youth
    Xiaoling Wang
    Georgia Prevention Institute, Department of Pediatrics, Medical College of Georgia, Augusta, Georgia, USA
    Am J Cardiol 96:1166-72. 2005
    ..High heritability estimates for HRV measures were observed, and no differences in HRV heritability estimates were noted for ethnicity or gender...
  52. ncbi request reprint Heart rate variability and its relation to prefrontal cognitive function: the effects of training and detraining
    Anita Lill Hansen
    University of Bergen, Department of Psychosocial Science, Christiesgate 12, 5015 Bergen, Norway
    Eur J Appl Physiol 93:263-72. 2004
    ..The results are discussed within a neurovisceral integration framework linking parasympathetic outflow to the heart to prefrontal neural functions...
  53. ncbi request reprint The perseverative cognition hypothesis: a review of worry, prolonged stress-related physiological activation, and health
    Jos F Brosschot
    Division of Clinical and Health Psychology, Department of Psychology, Leiden University, P O Box 9555, 2300 RB Leiden, The Netherlands
    J Psychosom Res 60:113-24. 2006
    ..The findings yield preliminary support for our hypothesis, suggesting that perseverative cognition might act directly on somatic disease via enhance activation via the cardiovascular, immune, endocrine, and neurovisceral systems...
  54. ncbi request reprint Invited commentary: tapping the tip of the iceberg
    Joachim E Fischer
    Department of Public Health, Social and Preventive Medicine, Mannheim Medical Faculty, University of Heidelberg, Mannheim, Germany
    Am J Epidemiol 163:888-90; discussion 891-2. 2006
  55. ncbi request reprint Tryptophan depletion affects heart rate variability and impulsivity in remitted depressed patients with a history of suicidal ideation
    Linda Booij
    Department of Psychology, Leiden University, Wassenaarseweg, Leiden, The Netherlands
    Biol Psychiatry 60:507-14. 2006
    ..The present study investigated whether experimental lowering of serotonin would decrease heart rate variability and increase impulsivity in remitted depressed patients, in particular in those patients with disturbed impulse control...
  56. ncbi request reprint Anxiety and respiratory variability
    Ilse Van Diest
    Department of Psychology, University of Leuven, B 3000 Leuven, Belgium
    Physiol Behav 89:189-95. 2006
    ..The paradoxical findings for fearful imagery enhance the importance of a distinction between fearful and anxious affects...
  57. ncbi request reprint A Norwegian adaptation of the Penn State Worry Questionnaire: factor structure, reliability, validity and norms
    Stale Pallesen
    Department of Psychosocial Science, University of Bergen, Norway
    Scand J Psychol 47:281-91. 2006
    ..The Norwegian version of the PSWQ demonstrated adequate psychometric properties in terms of reliability and validity in both samples. Females scored higher than males on PSWQ...
  58. ncbi request reprint Genetic and environmental influences on blood pressure and pulse pressure among adult African Americans
    Dwayne T Brandon
    Department of Biobehavioral Health, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
    Ethn Dis 13:193-9. 2003
    ..The purpose of the present study was to identify sources of variability for systolic blood pressure (SBP), diastolic blood pressure (DBP), and pulse pressure (PP) in a sample of adult African-American twins...
  59. ncbi request reprint Ethnic differences in heart rate variability: does ultralow-frequency heart rate variability really measure autonomic tone?
    Julian F Thayer
    Am Heart J 152:e27. 2006