http://www.modernmedicine.com/modernmedicine/Urinary+Incontinence%2FOveractive+Bladder/Procedure-gives-voiding-control-to-SCI-patients/ArticleStandard/Article/detail/188392
"We postulate two possible reasons for the improved bowel function," observed Dr. Kelly. "It may be secondary to discontinuation of anticholinergic medication or reinnervation of the large bowel parasympathetic ganglion."