The Gastrointestinal Motility Monitor (GIMM; Catamount Research and Development; St.
Albans, VT) is an in vitro system that monitors propulsive motility in isolated segments of
guinea pig distal colon. The complete system consists of a computer, video camera,
illuminated organ bath, peristaltic and heated water bath circulating pumps, and custom
GIMM software to record and analyze data. Compared with traditional methods of monitoring
colonic peristalsis, the GIMM system allows for continuous, quantitative evaluation of motility …