Detection of brain herniation with spectral coherence analysis of somatosensory evoked potentials - [Engineering in Medicine and Biology, 2002. 24th Annual Conference and the Annual Fall Meeting of

Abstract

Brain herniation was induced in a rat model by expansion of a balloon in the epidural space. Somatosensory evoked potentials (SEPs) from median nerve stimulation were recorded on the cranium and analyzed with spectral coherence algorithm. Post-experimental MRI evaluation of the brains was correlated to coherence analysis results. 

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