| Altered gastric electrical activity ("tachygastria") |
| Decreased fundus tone |
| Decreased antral contraction amplitude and frequency (in fasting and fed state) |
| Impaired antroduodenal coordination (in fasting and fed state) |
| Increased postprandial frequency of isolated pyloric pressure waves |
| Decreased duodenal contraction amplitude and frequency (in fasting and fed state) |
| Small intestinal dysmotility (in fasting state) |
| Altered visceral perception |
