Right prefrontal activation produced by arterial baroreceptor stimulation: A PET study

Júlia Weisz, Miklós Emri, János Fent, Zsolt Lengyel, Teréz Márián, Géza Horváth, Péter Bogner, Lajos Trón, György Ádám

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

This study was performed to test the hypothesis of greater right hemispheric involvement in the processing of baroreceptor stimuli. Carotid sinus baroreceptors were stimulated by rhythmically decreasing air pressure in a neck chamber, and under control conditions the thorax was stimulated in a similar manner. Changes in regional cerebral blood flow (rCBF) were measured by PET. Baroreceptor stimulation resulted in rCBF increase in the right anterior-inferior prefrontal cortex (Brodmann areas (BA) 10/44/47) and bilaterally in BA 6/8. We conclude that in at least some stages of baroreceptor information processing the right hemisphere plays a greater role than the left hemisphere.

Original languageEnglish
Pages (from-to)3233-3238
Number of pages6
JournalNeuroreport
Volume12
Issue number15
DOIs
Publication statusPublished - Oct 29 2001

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Keywords

  • Baroreceptor
  • Frontal cortex
  • Hemispheric asymmetry
  • Positron emission tomography (PET)
  • Visceroception

ASJC Scopus subject areas

  • Neuroscience(all)

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