The MEP in clinical neurodiagnosis

Friedhelm Sandbrink

in Oxford Handbook of Transcranial Stimulation

Published in print January 2008 | ISBN: 9780198568926
Published online November 2012 | e-ISBN: 9780191744013 | DOI:

Series: Oxford Library of Psychology

 The MEP in clinical neurodiagnosis

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  • Neuropsychology
  • Cognitive Neuroscience


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This article gives information on the clinical application of motor-evoked potential (MEP). Transcranial stimulation of the cerebral cortex to elicit MEPs is a noninvasive method for assessing the integrity of the central motor pathway function. Transcranial magnetic stimulation (TMS) is used in diagnosing and monitoring neurological disorders. This article highlights the neurophysiological differences between TMS and transcranial electric stimulation. All the different MEP parameters that can be measured by TMS, the latency of the MEP is generally regarded as the most reliable and useful. TMS studies have been described in many neurological disorders. The sensitivity of TMS in detecting subclinical upper motor neuron lesion varies in different disorders, depending on number of muscles and different parameters used. This article talks about the application of MEP in pathophysiology, multiple sclerosis, motor neuron diseases, meyloptahy, cerebral infarction, movement disorders, epilepsy, Lumbar spinal stenosis and radiculopathies, peripheral nerve disorders etc.

Keywords: motor-evoked potential; transcranial stimulation; latency of motor-evoked potential; transcranial magnetic stimulation; transcranial electric stimulation; neurological disorders

Article.  30950 words. 

Subjects: Neuropsychology ; Cognitive Neuroscience

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