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Estimating time-varying RSA to examine psychophysiological linkage of marital dyads

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Author

  • Kathleen M. Gates
  • Lisa M. Gatzke-Kopp
  • Maria Sandsten
  • Alysia Y. Blandon

Summary, in English

One of the primary tenets of polyvagal theory dictates that parasympathetic influence on heart rate, often estimated by respiratory sinus arrhythmia (RSA), shifts rapidly in response to changing environmental demands. The current standard analytic approach of aggregating RSA estimates across time to arrive at one value fails to capture this dynamic property within individuals. By utilizing recent methodological developments that enable precise RSA estimates at smaller time intervals, we demonstrate the utility of computing time-varying RSA for assessing psychophysiological linkage (or synchrony) in husband-wife dyads using time-locked data collected in a naturalistic setting.

Department/s

Publishing year

2015

Language

English

Pages

1059-1065

Publication/Series

Psychophysiology

Volume

52

Issue

8

Document type

Journal article

Publisher

Wiley-Blackwell

Topic

  • Probability Theory and Statistics

Keywords

  • Psychophysiological linkage
  • RSA linkage
  • Respiratory sinus arrhythmia
  • Time-varying RSA estimates

Status

Published

Research group

  • Statistical Signal Processing
  • Statistical Signal Processing Group

ISBN/ISSN/Other

  • ISSN: 0048-5772