Unanticipated Disturbance in Somatosensory Evoked Potentials in a Patient in Park-Bench Position

1. Brain and Spinal Cord Injury Research Center, Tehran University of Medical Sciences, Tehran, Iran

2. Department of Anaesthesiology, Intensive Care Medicine and Pain Management, Academic Teaching Hospital Nordstadt, Hannover, Germany

3. International Neuroscience Institute, Hannover, Germany