In view of the disturbed esophageal peristaltic activity and abnormal esophageal motility in gastroesophageal reflux disease, (gerd), we investigated the hypothesis that these changes result from a disordered myoelectric activity of the esophagus the electric activity of the esophagus (electroesophagogram, eeg) was studied in 27 patients with gerd (16 men, 11 women, mean age 426