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Near-threshold equal-loudness contours for harbor seals (Phoca vitulina) derived from reaction times during underwater audiometry: a preliminary study

Research output: Contribution to journalArticle

DOI

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Near-threshold equal-loudness contours for harbor seals (Phoca vitulina) derived from reaction times during underwater audiometry : a preliminary study. / Kastelein, Ronald A; Wensveen, Paul Jacobus; Terhune, John M; de Jong, Christ A F.

In: Journal of the Acoustical Society of America, Vol. 129, No. 1, 01.2011, p. 488-95.

Research output: Contribution to journalArticle

Harvard

Kastelein, RA, Wensveen, PJ, Terhune, JM & de Jong, CAF 2011, 'Near-threshold equal-loudness contours for harbor seals (Phoca vitulina) derived from reaction times during underwater audiometry: a preliminary study' Journal of the Acoustical Society of America, vol. 129, no. 1, pp. 488-95. https://doi.org/10.1121/1.3518779

APA

Kastelein, R. A., Wensveen, P. J., Terhune, J. M., & de Jong, C. A. F. (2011). Near-threshold equal-loudness contours for harbor seals (Phoca vitulina) derived from reaction times during underwater audiometry: a preliminary study. Journal of the Acoustical Society of America, 129(1), 488-95. https://doi.org/10.1121/1.3518779

Vancouver

Kastelein RA, Wensveen PJ, Terhune JM, de Jong CAF. Near-threshold equal-loudness contours for harbor seals (Phoca vitulina) derived from reaction times during underwater audiometry: a preliminary study. Journal of the Acoustical Society of America. 2011 Jan;129(1):488-95. https://doi.org/10.1121/1.3518779

Author

Kastelein, Ronald A ; Wensveen, Paul Jacobus ; Terhune, John M ; de Jong, Christ A F. / Near-threshold equal-loudness contours for harbor seals (Phoca vitulina) derived from reaction times during underwater audiometry : a preliminary study. In: Journal of the Acoustical Society of America. 2011 ; Vol. 129, No. 1. pp. 488-95.

Bibtex - Download

@article{67b6ae1764814d6992ccb0f3bf2b0b1d,
title = "Near-threshold equal-loudness contours for harbor seals (Phoca vitulina) derived from reaction times during underwater audiometry: a preliminary study",
abstract = "Equal-loudness functions describe relationships between the frequencies of sounds and their perceived loudness. This pilot study investigated the possibility of deriving equal-loudness contours based on the assumption that sounds of equal perceived loudness elicit equal reaction times (RTs). During a psychoacoustic underwater hearing study, the responses of two young female harbor seals to tonal signals between 0.125 and 100 kHz were filmed. Frame-by-frame analysis was used to quantify RT (the time between the onset of the sound stimulus and the onset of movement of the seal away from the listening station). Near-threshold equal-latency contours, as surrogates for equal-loudness contours, were estimated from RT-level functions fitted to mean RT data. The closer the received sound pressure level was to the 50{\%} detection hearing threshold, the more slowly the animals reacted to the signal (RT range: 188-982 ms). Equal-latency contours were calculated relative to the RTs shown by each seal at sound levels of 0, 10, and 20 dB above the detection threshold at 1 kHz. Fifty percent detection thresholds are obtained with well-trained subjects actively listening for faint familiar sounds. When calculating audibility ranges of sounds for harbor seals in nature, it may be appropriate to consider levels 20 dB above this threshold.",
keywords = "Acoustic Stimulation, Animals, Audiometry, Auditory Threshold, Female, Immersion, Loudness Perception, Phoca, Pilot Projects, Psychoacoustics, Reaction Time, Time Factors, Video Recording",
author = "Kastelein, {Ronald A} and Wensveen, {Paul Jacobus} and Terhune, {John M} and {de Jong}, {Christ A F}",
year = "2011",
month = "1",
doi = "10.1121/1.3518779",
language = "English",
volume = "129",
pages = "488--95",
journal = "Journal of the Acoustical Society of America",
issn = "0001-4966",
publisher = "Acoustical Society of America",
number = "1",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Near-threshold equal-loudness contours for harbor seals (Phoca vitulina) derived from reaction times during underwater audiometry

T2 - Journal of the Acoustical Society of America

AU - Kastelein, Ronald A

AU - Wensveen, Paul Jacobus

AU - Terhune, John M

AU - de Jong, Christ A F

PY - 2011/1

Y1 - 2011/1

N2 - Equal-loudness functions describe relationships between the frequencies of sounds and their perceived loudness. This pilot study investigated the possibility of deriving equal-loudness contours based on the assumption that sounds of equal perceived loudness elicit equal reaction times (RTs). During a psychoacoustic underwater hearing study, the responses of two young female harbor seals to tonal signals between 0.125 and 100 kHz were filmed. Frame-by-frame analysis was used to quantify RT (the time between the onset of the sound stimulus and the onset of movement of the seal away from the listening station). Near-threshold equal-latency contours, as surrogates for equal-loudness contours, were estimated from RT-level functions fitted to mean RT data. The closer the received sound pressure level was to the 50% detection hearing threshold, the more slowly the animals reacted to the signal (RT range: 188-982 ms). Equal-latency contours were calculated relative to the RTs shown by each seal at sound levels of 0, 10, and 20 dB above the detection threshold at 1 kHz. Fifty percent detection thresholds are obtained with well-trained subjects actively listening for faint familiar sounds. When calculating audibility ranges of sounds for harbor seals in nature, it may be appropriate to consider levels 20 dB above this threshold.

AB - Equal-loudness functions describe relationships between the frequencies of sounds and their perceived loudness. This pilot study investigated the possibility of deriving equal-loudness contours based on the assumption that sounds of equal perceived loudness elicit equal reaction times (RTs). During a psychoacoustic underwater hearing study, the responses of two young female harbor seals to tonal signals between 0.125 and 100 kHz were filmed. Frame-by-frame analysis was used to quantify RT (the time between the onset of the sound stimulus and the onset of movement of the seal away from the listening station). Near-threshold equal-latency contours, as surrogates for equal-loudness contours, were estimated from RT-level functions fitted to mean RT data. The closer the received sound pressure level was to the 50% detection hearing threshold, the more slowly the animals reacted to the signal (RT range: 188-982 ms). Equal-latency contours were calculated relative to the RTs shown by each seal at sound levels of 0, 10, and 20 dB above the detection threshold at 1 kHz. Fifty percent detection thresholds are obtained with well-trained subjects actively listening for faint familiar sounds. When calculating audibility ranges of sounds for harbor seals in nature, it may be appropriate to consider levels 20 dB above this threshold.

KW - Acoustic Stimulation

KW - Animals

KW - Audiometry

KW - Auditory Threshold

KW - Female

KW - Immersion

KW - Loudness Perception

KW - Phoca

KW - Pilot Projects

KW - Psychoacoustics

KW - Reaction Time

KW - Time Factors

KW - Video Recording

U2 - 10.1121/1.3518779

DO - 10.1121/1.3518779

M3 - Article

VL - 129

SP - 488

EP - 495

JO - Journal of the Acoustical Society of America

JF - Journal of the Acoustical Society of America

SN - 0001-4966

IS - 1

ER -

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ID: 242525360