Response of the electric activity in the human stomach to water and a solid meal

Jiande Chen, R. W. McCallum

Research output: Contribution to journalArticle


The gastric electric activity paces the contractions of the stomach and can be measured noninvasively using surface electrodes placed on the abdomen. In this paper, response of the gastric electric activity to water and a solid meal was investigated using surface electrodes. Applying an improved recording technique, power spectral analysis and statistical analysis methods, the gastric electric activity in preprandial, postwater and postprandial states was measured and analysed from ten healthy volunteers. To more convincingly show the effect of water and the solid meal on the gastric slow wave and gastric motility, simultaneous recordings of the cutaneous EGG and manometric activities in the stomach were performed in three gastroparetic patients. It was found that water does not induce contractions of the stomach, but the gastric slow wave amplitude increases (p

Original languageEnglish (US)
Pages (from-to)351-357
Number of pages7
JournalMedical & Biological Engineering & Computing
Issue number4
Publication statusPublished - Jul 1991
Externally publishedYes



  • Bioelectric potential
  • Electrogastrogram
  • Electromyography
  • Gastric motility
  • Slow wave
  • Stomach

ASJC Scopus subject areas

  • Health Information Management
  • Health Informatics
  • Biomedical Engineering
  • Computer Science Applications
  • Computational Theory and Mathematics

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