Correlation between a unilateral midbrain-pontine lesion and abnormalities of brain-stem auditory evoked potential |
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| Affiliation: | 1. Charité Medical School, Campus Virchow-Klinikum, Department of Cardiology, Berlin, Germany;2. Department of Internal Medicine I, Division of Cardiology, Angiology, Pneumology and Intensive Medical Care, Friedrich-Schiller-University, Jena, Germany;3. University of Hull, Department of Cardiology, Hull, United Kingdom;4. University of Göttingen Medical School, Department of Cardiology and Pneumology, Göttingen, Germany;5. Department of Internal Medicine, Comenius University, Bratislava, Slovak Republic;6. Department of Intensive Care Medicine, Inselspital, University Hospital of Bern, Bern, Switzerland;7. Center for Stroke Research Berlin, Charité Medical School, Berlin, Germany;8. Golnik University, Department of Cardiology, Golnik, Slovenia |
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| Abstract: | Brain-stem auditory evoked potentials (BAEPs) were evaluated over a 39 day period in a patient with a unilateral pontine-midbrain lesion verified by CAT scan and autopsy. Waves I, II and III were present on the side of lesion, whereas all 5 waves were present on the side opposite the lesion. The findings suggest that the BAEPs may be obtained with only an intact ipsilateral auditory pathway. Crossing fibers in the trapezoid body also appear to make contributions to the normal generation of wave V. |
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