1994
DOI: 10.1159/000313130
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Untersuchung kochleärer Laufzeiteffekte bei Knochenleitung mittels Hirnstammpotentialen

Abstract: Es wurden knochenleitungsevozierte Hirnstammpotentiale (FAEP) an normalhÖrenden Probanden unter Maskierung der basalen Sinneszellen mit hochpassgefiltertem Rauschen mit dem Ziel abgeleitet, kochleÄre Laufzeiteffekte bei Anregung des Innenohres mit Knochenschall zu untersuchen. Es ergibt sich, wie bei AuslÖsung der Potentiale Über Luftleitung, eine Latenzverschiebung, die mit sukzessiver Desynchronisation der Sinneszellen von basal nach apikal zunimmt und die Laufzeit der Wanderwelle in der Kochlea widerspiegel… Show more

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“…ABR wave-V intensity-latency functions can be used to assess and differentiate between types and magnitude of hearing loss objectively ( 29 31 ). However, for clinical interpretations it has to be considered that intensity-latency functions are also dependent on EEG (electroencephalogram) filters, stimulation rate ( 32 ), the stimulus itself, and stimulation mode, i.e., longer latencies but comparable variance have been reported for stimulation by BC vs. air conduction (AC) ( 33 ). Typical stimuli for ABR recordings are clicks but also other stimuli such as specific chirps, e.g., the CE-Chirp®, have been developed in recent years ( 34 ).…”
Section: Introductionmentioning
confidence: 99%
“…ABR wave-V intensity-latency functions can be used to assess and differentiate between types and magnitude of hearing loss objectively ( 29 31 ). However, for clinical interpretations it has to be considered that intensity-latency functions are also dependent on EEG (electroencephalogram) filters, stimulation rate ( 32 ), the stimulus itself, and stimulation mode, i.e., longer latencies but comparable variance have been reported for stimulation by BC vs. air conduction (AC) ( 33 ). Typical stimuli for ABR recordings are clicks but also other stimuli such as specific chirps, e.g., the CE-Chirp®, have been developed in recent years ( 34 ).…”
Section: Introductionmentioning
confidence: 99%