Respiratory sinus arrhythmia, cardiac vagal tone, and respiration: Within- and between-individual relations

P. Grossman, M. Kollai

Research output: Contribution to journalArticle

193 Citations (Scopus)

Abstract

Respiratory sinus arrhythmia (RSA) is frequently employed as an intra- and interindividual index of cardiac parasympathetic tone, although the relationship of RSA to interindividual differences in cardiac vagal tone remains questionable. Our study examined between- and within-subject relations among RSA, cardiac vagal tone, and respiratory parameters. Twenty- nine young adults performed two sessions of tasks under no medication and single and double autonomic blockade (intravenously administered propranolol and atropine). Parasympathetic tone was determined from heart period responses to complete vagal blockade. Results indicated the following. Resting RSA does not accurately predict individual differences in cardiac vagal tone. However, RSA and heart period together do predict such individual differences reasonably well. The relationship between individual variations in RSA and vagal tone is not improved by controlling respiratory parameters. Substantial cardiac vagal activity occurs during inspiration, and intraindividual variations in respiratory measures confound the association between RSA and cardiac vagal tone.

Original languageEnglish
Pages (from-to)486-495
Number of pages10
JournalPsychophysiology
Volume30
Issue number5
Publication statusPublished - 1993

Fingerprint

Respiration
Individuality
Respiratory Sinus Arrhythmia
Atropine
Propranolol
Young Adult

Keywords

  • Atropine
  • Autonomic control of heart rate
  • Cardiac vagal tone
  • Parasympathetic cardiac control
  • Pharmacological blockade
  • Propranolol
  • Respiration
  • Respiratory sinus arrhythmia

ASJC Scopus subject areas

  • Physiology
  • Physiology (medical)
  • Psychology(all)
  • Experimental and Cognitive Psychology
  • Neuropsychology and Physiological Psychology

Cite this

Respiratory sinus arrhythmia, cardiac vagal tone, and respiration : Within- and between-individual relations. / Grossman, P.; Kollai, M.

In: Psychophysiology, Vol. 30, No. 5, 1993, p. 486-495.

Research output: Contribution to journalArticle

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