People with spina bifida, particularly the myelomeningocele form, “have impaired autonomic [nerve] function and may therefore have absent or minimal sensation of bladder fullness and an inability to initiate the voluntary, coordinated process of urination.” (Sandler, Adrian (1997). Living With Spina Bifida, A Guide for Families and Professionals, University of North Carolina Press, p.25). Autonomic nerves are responsible for transmitting messages from organs to the brain. In this instance, the message that your bladder is full does not get properly sent to the brain. Also, the nerves that control voluntary muscles like the urinary sphincter and the relaxation and contraction of the bladder itself don’t work properly. This miscommunication between your brain and bladder can cause several problems including: