Sensors (IMAGE) IOS Press Caption A. Sensors in the detector plate register electromagnetic signals from the ingested capsule. A chest worn respiration belt registers artifacts due to respiration. B. Graphs displaying position (x, y, z) and orientation (?, ?) of the capsule when passing the GI tract. Upper left window shows capsule position in x-y direction according to the external monitor. Arrows mark the contraction frequency of 3 per minute, characteristic of the stomach. Vertical line marks the shift in capsule position from stomach to small intestine. Yellow line marks respiration. Green line marks accelerometer. Credit Aarhus University, Aarhus, Denmark Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.