The pupil response reveals increased listening effort when it is difficult to focus attention

Hearing Research
Thomas KoelewijnSophia E Kramer

Abstract

Recent studies have shown that prior knowledge about where, when, and who is going to talk improves speech intelligibility. How related attentional processes affect cognitive processing load has not been investigated yet. In the current study, three experiments investigated how the pupil dilation response is affected by prior knowledge of target speech location, target speech onset, and who is going to talk. A total of 56 young adults with normal hearing participated. They had to reproduce a target sentence presented to one ear while ignoring a distracting sentence simultaneously presented to the other ear. The two sentences were independently masked by fluctuating noise. Target location (left or right ear), speech onset, and talker variability were manipulated in separate experiments by keeping these features either fixed during an entire block or randomized over trials. Pupil responses were recorded during listening and performance was scored after recall. The results showed an improvement in performance when the location of the target speech was fixed instead of randomized. Additionally, location uncertainty increased the pupil dilation response, which suggests that prior knowledge of location reduces cognitive load. Interes...Continue Reading

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Apr 9, 2014·Hearing Research·Thomas KoelewijnSophia E Kramer

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Citations

Apr 12, 2016·Frontiers in Psychology·Anita E WagnerDeniz Başkent
May 4, 2017·The Journal of the Acoustical Society of America·Daniel R McCloyAdrian K C Lee
Sep 27, 2018·Trends in Hearing·Adriana A ZekveldSophia E Kramer
Nov 21, 2019·Journal of Speech, Language, and Hearing Research : JSLHR·Riki Taitelbaum-SweadLeah Fostick
May 3, 2019·Ear and Hearing·Christopher J SmaltThomas F Quatieri
May 24, 2019·PeerJ·Costanza PeinkhoferDaniel Kondziella
Jun 4, 2019·The Journal of the Acoustical Society of America·Charlotte R Vaughn
Jan 31, 2020·Frontiers in Psychology·Nicolai D Ayasse, Arthur Wingfield
May 26, 2018·Journal of Speech, Language, and Hearing Research : JSLHR·Julia F StrandJulia Smith
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Mar 25, 2019·Frontiers in Psychology·Jana Annina MüllerThomas Brand
Nov 27, 2020·Frontiers in Neuroscience·Francesca Yoshie RussoIsabelle Mosnier
Dec 19, 2017·Hearing Research·Matthew G WisniewskiBrian D Simpson
Oct 2, 2020·Ear and Hearing·Matthew B Winn, Katherine H Teece
May 9, 2021·Hearing Research·Thomas KoelewijnSophia E Kramer
Jul 16, 2021·Trends in Hearing·Matthew B Winn, Katherine H Teece
Aug 1, 2021·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Jack W Silcox, Brennan R Payne
Sep 8, 2021·Journal of Speech, Language, and Hearing Research : JSLHR·Sarah Colby, Bob McMurray
Sep 23, 2021·Journal of Speech, Language, and Hearing Research : JSLHR·Victoria StenbäckBirgitta Larsby
Apr 3, 2021·Ear and Hearing·Hidde PielageSophia E Kramer

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