The effects of neural synchronization and peripheral compression on the acoustic-reflex threshold

Publication: Research - peer-reviewJournal article – Annual report year: 2005

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The effects of neural synchronization and peripheral compression on the acoustic-reflex threshold. / Müller-Wehlau, Matthias; Mauermann, Manfred; Dau, Torsten; Kollmeier, Birger.

In: Journal of the Acoustical Society of America, Vol. 117, No. 5, 2005, p. 3016-3027.

Publication: Research - peer-reviewJournal article – Annual report year: 2005

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Müller-Wehlau, Matthias; Mauermann, Manfred; Dau, Torsten; Kollmeier, Birger / The effects of neural synchronization and peripheral compression on the acoustic-reflex threshold.

In: Journal of the Acoustical Society of America, Vol. 117, No. 5, 2005, p. 3016-3027.

Publication: Research - peer-reviewJournal article – Annual report year: 2005

Bibtex

@article{79add03080ae4c7b927807b3fb9dae79,
title = "The effects of neural synchronization and peripheral compression on the acoustic-reflex threshold",
publisher = "Acoustical Society of America",
author = "Matthias Müller-Wehlau and Manfred Mauermann and Torsten Dau and Birger Kollmeier",
note = "Copyright (2005) Acoustical Society of America. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the Acoustical Society of America.",
year = "2005",
doi = "10.1121/1.1867932",
volume = "117",
number = "5",
pages = "3016--3027",
journal = "Journal of the Acoustical Society of America",
issn = "0001-4966",

}

RIS

TY - JOUR

T1 - The effects of neural synchronization and peripheral compression on the acoustic-reflex threshold

A1 - Müller-Wehlau,Matthias

A1 - Mauermann,Manfred

A1 - Dau,Torsten

A1 - Kollmeier,Birger

AU - Müller-Wehlau,Matthias

AU - Mauermann,Manfred

AU - Dau,Torsten

AU - Kollmeier,Birger

PB - Acoustical Society of America

PY - 2005

Y1 - 2005

N2 - This study investigates the acoustic reflex threshold (ART) dependency on stimulus phase utilizing low-level reflex audiometry [Neumann et al., Audiol. Neuro-Otol. 1, 359–369 (1996)]. The goal is to obtain optimal broadband stimuli for elicitation of the acoustic reflex and to obtain objective determinations of cochlear hearing loss. Three types of tone complexes with different phase characteristics were investigated: A stimulus that compensates for basilar-membrane dispersion, thus causing a large overall neural synchrony (basilar-membrane tone complex—BMTC), the temporally inversed stimulus (iBMTC), and random-phase tone complexes (rTC). The ARTs were measured in eight normal-hearing and six hearing-impaired subjects. Five different conditions of peak amplitude and stimulus repetition rate were used for each stimulus type. The results of the present study suggest that the ART is influenced by at least two different factors: (a) the degree of synchrony of neural activity across frequency, and (b) the fast-acting compression mechanism in the cochlea that is reduced in the case of a sensorineural hearing loss. The results allow a clear distinction of the two subjects groups based on the different ART for the utilized types and conditions of the stimuli. These differences might be useful for objective recruitment detection in clinical diagnostics. ©2005 Acoustical Society of America.

AB - This study investigates the acoustic reflex threshold (ART) dependency on stimulus phase utilizing low-level reflex audiometry [Neumann et al., Audiol. Neuro-Otol. 1, 359–369 (1996)]. The goal is to obtain optimal broadband stimuli for elicitation of the acoustic reflex and to obtain objective determinations of cochlear hearing loss. Three types of tone complexes with different phase characteristics were investigated: A stimulus that compensates for basilar-membrane dispersion, thus causing a large overall neural synchrony (basilar-membrane tone complex—BMTC), the temporally inversed stimulus (iBMTC), and random-phase tone complexes (rTC). The ARTs were measured in eight normal-hearing and six hearing-impaired subjects. Five different conditions of peak amplitude and stimulus repetition rate were used for each stimulus type. The results of the present study suggest that the ART is influenced by at least two different factors: (a) the degree of synchrony of neural activity across frequency, and (b) the fast-acting compression mechanism in the cochlea that is reduced in the case of a sensorineural hearing loss. The results allow a clear distinction of the two subjects groups based on the different ART for the utilized types and conditions of the stimuli. These differences might be useful for objective recruitment detection in clinical diagnostics. ©2005 Acoustical Society of America.

UR - http://server.oersted.dtu.dk/publications/views/publication_details.php?id=1144

U2 - 10.1121/1.1867932

DO - 10.1121/1.1867932

JO - Journal of the Acoustical Society of America

JF - Journal of the Acoustical Society of America

SN - 0001-4966

IS - 5

VL - 117

SP - 3016

EP - 3027

ER -