The stability of cardiovascular parameters under different behavioral challenges: one-year follow-up

Maria M. Llabre, Patrice G. Saab, Barry E. Hurwitz, Neil Schneiderman, Charles A. Frame, Susan Spitzer, Donna Phillips

Research output: Contribution to journalArticle

22 Scopus citations

Abstract

The stability of myocardial, peripheral vascualar and systolic time-interval measures was assessed over a one-year period in a sample of ten healthy normotensive men. Subjects participated in three laboratory sessions, the first two of which were two weeks apart, and the third approximately one year later. Measures were sampled during the preparation and delivery of a speech, a mirror star tracing task, and the forehead cold pressor test. The results of intraclass correlations computed between the mean of the first two sessions and the third showed that baseline and task levels were highly reproducible across all tasks and most parameters over the one year interval. Results also showed that the long term stability of delta is largely task-dependent.

Original languageEnglish (US)
Pages (from-to)241-248
Number of pages8
JournalInternational Journal of Psychophysiology
Volume14
Issue number3
DOIs
StatePublished - May 1993

Keywords

  • Cardiovascular reactivity
  • Impedence cardiography
  • Long-term stability

ASJC Scopus subject areas

  • Behavioral Neuroscience

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