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. 2019 Jul 30;25(3):423–435. doi: 10.5056/jnm18196

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© 2019 The Korean Society of Neurogastroenterology and Motility

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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sLORETA source activity comparing healthy volunteers (HV) with fecal incontinence (FI) patients for the evoked potentials to anal stimulation (top) and rectal stimulation (bottom) in the 4 peaks of anal sensory evoked potentials (ASEP) and rectal sensory evoked potentials (RSEP). ASEP cortical source activity was localized slightly higher in frontal lobe areas in patients compared with HV with a reduced overall area of cortical activation evidenced for most peaks. Differences in RSEP activation were not so clear between both groups except for source activity of n2 which showed diminished in FI patients.