Cerebral Activation during Anal and Rectal Stimulation. - Martin Lotze; Beate Wietek; Niels Birbaumer; J. Ehrhardt; Wolfgang Grodd; Paul Enck (NeuroImage, 2001)

Segregation of visceral and somatosensory afferents: An fMRI and cytoarchitectonic mapping study. - Simon B. Eickhoff; Martin Lotze; Beate Wietek; Katrin Amunts; Paul Enck; Karl Zilles (NeuroImage, 2006)

Functional imaging of stress urinary incontinence. - A. M. R. Di Gangi Herms; Ralf Veit; C. Reisenauer; A. Herms; Wolfgang Grodd; Paul Enck; Arnulf Stenzl; Niels Birbaumer (NeuroImage, 2006)