Baroreceptor stimulation alters pain sensation depending on tonic blood pressure

T. Elbert, B. Rockstroh, W. Lutzenberger, M. Kessler, R. Pietrowsky, N. Birbaumer

Research output: Contribution to journalArticle

89 Citations (Scopus)

Abstract

It has been hypothesized that activation of the baroreceptor reflex arc, by its central nervous inhibitory effects, is involved in an operant learning mechanism of blood pressure elevation. The present study investigated the effects of mechanical stimulation of the baroreceptors in the carotid sinus on pain threshold and electrical brain activity in two groups of humans with different tonic blood pressure levels. In normotensives, baroreceptor stimulation lowered pain threshold as compared to a control condition, while borderline hypertensives tolerated more intense electric stimulation when baroreceptors were activated. A marked reduction of the contingent negative variation in anticipation of the aversive stimulation accompanied baroreceptor stimulation, probably a consequence of baroreceptor afferent impulses exerted via brainstem centers to cerebral cortex. The distribution of the potenial change across the scalp depended on the tonic blood pressure, indicating defferences in brain functioning between normotensives and borderline hypertensives. The present results suggest that the hypothesis of an operantly-conditoned blood pressure elevation under stress may be valid only in subjects with a predisposition for essential hypertension.

Original languageEnglish
Pages (from-to)25-29
Number of pages5
JournalPsychophysiology
Volume25
Issue number1
Publication statusPublished - 1988

Fingerprint

Pressoreceptors
Blood Pressure
Pain
Pain Threshold
Contingent Negative Variation
Carotid Sinus
Baroreflex
Brain
Scalp
Cerebral Cortex
Electric Stimulation
Brain Stem
Learning

ASJC Scopus subject areas

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

Cite this

Elbert, T., Rockstroh, B., Lutzenberger, W., Kessler, M., Pietrowsky, R., & Birbaumer, N. (1988). Baroreceptor stimulation alters pain sensation depending on tonic blood pressure. Psychophysiology, 25(1), 25-29.

Baroreceptor stimulation alters pain sensation depending on tonic blood pressure. / Elbert, T.; Rockstroh, B.; Lutzenberger, W.; Kessler, M.; Pietrowsky, R.; Birbaumer, N.

In: Psychophysiology, Vol. 25, No. 1, 1988, p. 25-29.

Research output: Contribution to journalArticle

Elbert, T, Rockstroh, B, Lutzenberger, W, Kessler, M, Pietrowsky, R & Birbaumer, N 1988, 'Baroreceptor stimulation alters pain sensation depending on tonic blood pressure', Psychophysiology, vol. 25, no. 1, pp. 25-29.
Elbert T, Rockstroh B, Lutzenberger W, Kessler M, Pietrowsky R, Birbaumer N. Baroreceptor stimulation alters pain sensation depending on tonic blood pressure. Psychophysiology. 1988;25(1):25-29.
Elbert, T. ; Rockstroh, B. ; Lutzenberger, W. ; Kessler, M. ; Pietrowsky, R. ; Birbaumer, N. / Baroreceptor stimulation alters pain sensation depending on tonic blood pressure. In: Psychophysiology. 1988 ; Vol. 25, No. 1. pp. 25-29.
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