Research Article

Visualized Quantitative Evaluation of Gastrointestinal Activity in Healthy Volunteers Using a Noninvasive Single-Channel Electroamplifier

Figure 4

Changes in classification of gastric DF before and after meals in healthy individuals. White bars indicate preprandial and black bars indicate postprandial periods. There was no significant change in the proportion of normogastria and bradygastria in preprandial and postprandial periods. No tachygastria was noted. DF: dominant frequency.