Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
Litscher, G.
Continuous brainstem auditory evoked potential monitoring during nocturnal sleep.
Int J Neurosci. 1995; 82(1-2): 135-142.
Doi: 10.3109/00207459508994297
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- Führende Autor*innen der Med Uni Graz
- Litscher Gerhard
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- Abstract:
- Continuous monitoring of brainstem auditory evoked potentials (BAEPs) was performed simultaneously with polysomnographic recordings during nocturnal sleep in 9 normal males (mean age 25.3 +/- 2.7 years). Four-channel electroencephalography, respiration (abdominal and thoracic), rectal temperature, electrocardiography, electrooculography, chin electromyography, non-invasive blood pressure (Finapres), oxygen saturation and two channels of BAEPs were recorded by a multivariable computer system. All data except BAEPs were preprocessed, integrated over 30 s and printed on a single sheet. Sleep stages were classified visually. Latencies, interpeak latencies, amplitudes and the I/V amplitude ratio of the BAEPs were analysed in the awake state and different sleep stages. The results confirm that, as previously reported, the slight BAEP latency modifications observed during sleep are correlated to body temperature variations. The analysis of the absolute amplitudes of BAEPs showed insignificant (ANOVA) variations with sleep (e.g., mean amplitude of peak V +/- SD: wakefulness = .36 microV +/- .11, REM = .22 microV +/- .05, stage 2 = .27 microV +/- .14, stage 3 = .25 microV +/- .14, stage 4 = .26 microV +/- .11). A significant change between wakefulness and deep sleep could be found in the latencies of wave IV and V and in the amplitude ratio I/V (P < .05, ANOVA, Student-Newman-Keuls method).
- Find related publications in this database (using NLM MeSH Indexing)
- Adult -
- Blood Pressure - physiology
- Body Temperature - physiology
- Electrocardiography - physiology
- Electroencephalography - physiology
- Electromyography - physiology
- Evoked Potentials, Auditory, Brain Stem - physiology
- Humans - physiology
- Male - physiology
- Oxygen - blood
- Polysomnography - blood
- Research Support, Non-U.S. Gov't - blood
- Respiratory Mechanics - physiology
- Sleep - physiology
- Find related publications in this database (Keywords)
- BAEP MONITORING
- HUMAN SLEEP
- BAEP DURING SLEEP
- BODY TEMPERATURE
- MONITORING