Basis of Intraoperative Neurophysiological Monitoring

  • Aage R. MøllerEmail author


Intraoperative neurophysiological monitoring is often associated with reducing the risk of postoperative neurological deficits in operations where the nervous system is at risk of being permanently injured. While the main use of electrophysiological methods in the operating room may be for reducing the risk of postoperative neurological deficits, electrophysiological methods are now in increasing use for other purposes. For example, electrophysiological methods are now regarded a necessity for guidance in placement of electrodes for deep brain stimulation (DBP) or for making lesions in specific structures for treating movement disorders and pain. Intraoperative electrophysiological recordings can also help the surgeon in carrying out other surgical procedures. Finding specific neural tissue such as cranial nerves or specific regions of the cerebral cortex are examples of tasks that are included in the subspecialty of intraoperative neurophysiological monitoring. Neurophysiological methods are increasingly used for diagnostic support in operations such as those involving peripheral nerves. In certain operations, intraoperative neurophysiology can increase the likelihood of achieving the therapeutical goal of an operation. Intraoperative neurophysiological recordings have shown to be of help identifying the offending blood vessel in a cranial nerve disorder (hemifacial spasm, HFS).


Deep Brain Stimulation Visual Evoke Potential Auditory Brainstem Response Compound Action Potential Surgical Manipulation 
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© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.School of Brain and Behavioral SciencesThe University of Texas at DallasRichardsonUSA

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