[Application of functional magnetic resonance imaging (fMRI) in the study of visceral hypersensitivity of the gut].

Functional magnetic resonance imaging (fMRI) has been widely applied in many fields, such as neurology, psychology, etc. Recently it has also been used to study the visceral hypersensitivity of the gut. This review gives an overview of the basic principle of fMRI and its application in the visceral sensitivity of esophagus and rectum.