Publication

Pupil dilation uncovers extra listening effort in the presence of a single-talker masker

Koelewijn, T., Zekveld, A. A., Festen, J. M. & Kramer, S. E., Mar-2012, In : Ear and hearing. 33, 2, p. 291-300 10 p.

Research output: Contribution to journalArticleAcademicpeer-review

APA

Koelewijn, T., Zekveld, A. A., Festen, J. M., & Kramer, S. E. (2012). Pupil dilation uncovers extra listening effort in the presence of a single-talker masker. Ear and hearing, 33(2), 291-300. https://doi.org/10.1097/AUD.0b013e3182310019

Author

Koelewijn, Thomas ; Zekveld, Adriana A ; Festen, Joost M ; Kramer, Sophia E. / Pupil dilation uncovers extra listening effort in the presence of a single-talker masker. In: Ear and hearing. 2012 ; Vol. 33, No. 2. pp. 291-300.

Harvard

Koelewijn, T, Zekveld, AA, Festen, JM & Kramer, SE 2012, 'Pupil dilation uncovers extra listening effort in the presence of a single-talker masker', Ear and hearing, vol. 33, no. 2, pp. 291-300. https://doi.org/10.1097/AUD.0b013e3182310019

Standard

Pupil dilation uncovers extra listening effort in the presence of a single-talker masker. / Koelewijn, Thomas; Zekveld, Adriana A; Festen, Joost M; Kramer, Sophia E.

In: Ear and hearing, Vol. 33, No. 2, 03.2012, p. 291-300.

Research output: Contribution to journalArticleAcademicpeer-review

Vancouver

Koelewijn T, Zekveld AA, Festen JM, Kramer SE. Pupil dilation uncovers extra listening effort in the presence of a single-talker masker. Ear and hearing. 2012 Mar;33(2):291-300. https://doi.org/10.1097/AUD.0b013e3182310019


BibTeX

@article{0d755ebe45b74a1d985b03467edaed03,
title = "Pupil dilation uncovers extra listening effort in the presence of a single-talker masker",
abstract = "OBJECTIVES: Recent research has demonstrated that pupil dilation, a measure of mental effort (cognitive processing load), is sensitive to differences in speech intelligibility. The present study extends this outcome by examining the effects of masker type and age on the speech reception threshold (SRT) and mental effort.DESIGN: In young and middle-aged adults, pupil dilation was measured while they performed an SRT task, in which spoken sentences were presented in stationary noise, fluctuating noise, or together with a single-talker masker. The masker levels were adjusted to achieve 50{\%} or 84{\%} sentence intelligibility.RESULTS: The results show better SRTs for fluctuating noise and a single-talker masker compared with stationary noise, which replicates results of previous studies. The peak pupil dilation, reflecting mental effort, was larger in the single-interfering speaker condition compared with the other masker conditions. Remarkably, in contrast to the thresholds, no differences in peak dilation were observed between fluctuating noise and stationary noise. This effect was independent of the intelligibility level and age.CONCLUSIONS: To maintain similar intelligibility levels, participants needed more mental effort for speech perception in the presence of a single-talker masker and then with the two other types of maskers. This suggests an additive interfering effect of speech information from the single-talker masker. The dissociation between these performance and mental effort measures underlines the importance of including measurements of pupil dilation as an independent index of mental effort during speech processing in different types of noisy environments and at different intelligibility levels.",
keywords = "Acoustic Stimulation/methods, Adolescent, Adult, Audiometry, Pure-Tone, Auditory Threshold/physiology, Female, Hearing/physiology, Humans, Male, Mental Processes/physiology, Middle Aged, Noise, Perceptual Masking/physiology, Psychoacoustics, Reflex, Pupillary/physiology, Speech Intelligibility, Speech Perception/physiology, Young Adult",
author = "Thomas Koelewijn and Zekveld, {Adriana A} and Festen, {Joost M} and Kramer, {Sophia E}",
year = "2012",
month = "3",
doi = "10.1097/AUD.0b013e3182310019",
language = "English",
volume = "33",
pages = "291--300",
journal = "Ear and hearing",
issn = "0196-0202",
publisher = "LIPPINCOTT WILLIAMS & WILKINS",
number = "2",

}

RIS

TY - JOUR

T1 - Pupil dilation uncovers extra listening effort in the presence of a single-talker masker

AU - Koelewijn, Thomas

AU - Zekveld, Adriana A

AU - Festen, Joost M

AU - Kramer, Sophia E

PY - 2012/3

Y1 - 2012/3

N2 - OBJECTIVES: Recent research has demonstrated that pupil dilation, a measure of mental effort (cognitive processing load), is sensitive to differences in speech intelligibility. The present study extends this outcome by examining the effects of masker type and age on the speech reception threshold (SRT) and mental effort.DESIGN: In young and middle-aged adults, pupil dilation was measured while they performed an SRT task, in which spoken sentences were presented in stationary noise, fluctuating noise, or together with a single-talker masker. The masker levels were adjusted to achieve 50% or 84% sentence intelligibility.RESULTS: The results show better SRTs for fluctuating noise and a single-talker masker compared with stationary noise, which replicates results of previous studies. The peak pupil dilation, reflecting mental effort, was larger in the single-interfering speaker condition compared with the other masker conditions. Remarkably, in contrast to the thresholds, no differences in peak dilation were observed between fluctuating noise and stationary noise. This effect was independent of the intelligibility level and age.CONCLUSIONS: To maintain similar intelligibility levels, participants needed more mental effort for speech perception in the presence of a single-talker masker and then with the two other types of maskers. This suggests an additive interfering effect of speech information from the single-talker masker. The dissociation between these performance and mental effort measures underlines the importance of including measurements of pupil dilation as an independent index of mental effort during speech processing in different types of noisy environments and at different intelligibility levels.

AB - OBJECTIVES: Recent research has demonstrated that pupil dilation, a measure of mental effort (cognitive processing load), is sensitive to differences in speech intelligibility. The present study extends this outcome by examining the effects of masker type and age on the speech reception threshold (SRT) and mental effort.DESIGN: In young and middle-aged adults, pupil dilation was measured while they performed an SRT task, in which spoken sentences were presented in stationary noise, fluctuating noise, or together with a single-talker masker. The masker levels were adjusted to achieve 50% or 84% sentence intelligibility.RESULTS: The results show better SRTs for fluctuating noise and a single-talker masker compared with stationary noise, which replicates results of previous studies. The peak pupil dilation, reflecting mental effort, was larger in the single-interfering speaker condition compared with the other masker conditions. Remarkably, in contrast to the thresholds, no differences in peak dilation were observed between fluctuating noise and stationary noise. This effect was independent of the intelligibility level and age.CONCLUSIONS: To maintain similar intelligibility levels, participants needed more mental effort for speech perception in the presence of a single-talker masker and then with the two other types of maskers. This suggests an additive interfering effect of speech information from the single-talker masker. The dissociation between these performance and mental effort measures underlines the importance of including measurements of pupil dilation as an independent index of mental effort during speech processing in different types of noisy environments and at different intelligibility levels.

KW - Acoustic Stimulation/methods

KW - Adolescent

KW - Adult

KW - Audiometry, Pure-Tone

KW - Auditory Threshold/physiology

KW - Female

KW - Hearing/physiology

KW - Humans

KW - Male

KW - Mental Processes/physiology

KW - Middle Aged

KW - Noise

KW - Perceptual Masking/physiology

KW - Psychoacoustics

KW - Reflex, Pupillary/physiology

KW - Speech Intelligibility

KW - Speech Perception/physiology

KW - Young Adult

U2 - 10.1097/AUD.0b013e3182310019

DO - 10.1097/AUD.0b013e3182310019

M3 - Article

VL - 33

SP - 291

EP - 300

JO - Ear and hearing

JF - Ear and hearing

SN - 0196-0202

IS - 2

ER -

ID: 101322989