Research Article

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

Figure 3

Preprandial and postprandial changes in DF and DP in the stomach and small intestine. Shown is the change in (a) DF and (b) DP in the stomach and small intestine in preprandial and postprandial periods. DF did not change, but DP increased significantly in both the stomach and small intestine. DF: dominant frequency; DP: dominant power.
(a)
(b)