Time-specific Components of Pupil Responses Reveal Alternations in Effort Allocation Caused by Memory Task Demands During Speech Identification in Noise.
Daily communication may be effortful due to poor acoustic quality. In addition, memory demands can induce effort, especially for long or complex sentences. In the current study, we tested the impact of memory task demands and speech-to-noise ratio on the time-specific components of effort allocation...
| Published in: | Trends in Hearing pp. 1 - 20 |
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| Main Authors: | , , , , |
| Format: | equations & formulas pictorial research tables/charts Journal Article |
| Published: |
Sage Publications Inc.
3/20/2023
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| Online Access: | View this record in EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=162540699&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 162540699 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 23312165 HCEJ jtl: Trends in Hearing issn: 23312165 maglogo: N pubinfo: dt: 3/20/2023 pid: 344 pub: Sage Publications Inc. place: Thousand Oaks, California artinfo: ui: 162540699 162540699 162540699 10.1177/23312165231153280 162540699 ppf: 1 ppct: 19 formats: tig: atl: Time-specific Components of Pupil Responses Reveal Alternations in Effort Allocation Caused by Memory Task Demands During Speech Identification in Noise. aug: au: Książek, Patrycja Zekveld, Adriana A. Fiedler, Lorenz Kramer, Sophia E. Wendt, Dorothea affil: 26066Amsterdam UMC, Vrije Universiteit Amsterdam, Otolaryngology/Head and Neck Surgery, Amsterdam Public Health Research Institute, Amsterdam, the Netherlands sug: subj: Time Factors Reflex, Pupillary Memory Evaluation Task Performance and Analysis Speech Perception Evaluation Noise Speech Intelligibility Evaluation Human Male Female Young Adult Adult Middle Age Funding Source Descriptive Statistics Auditory Threshold Listening Factor Analysis Speech Acoustics Denmark Experimental Studies Adult: 19-44 years Middle Aged: 45-64 years Male Female ab: Daily communication may be effortful due to poor acoustic quality. In addition, memory demands can induce effort, especially for long or complex sentences. In the current study, we tested the impact of memory task demands and speech-to-noise ratio on the time-specific components of effort allocation during speech identification in noise. Thirty normally hearing adults (15 females, mean age 42.2 years) participated. In an established auditory memory test, listeners had to listen to a list of seven sentences in noise, and repeat the sentence-final word after presentation, and, if instructed, recall the repeated words. We tested the effects of speech-to-noise ratio (SNR; −4 dB, +1 dB) and recall (Recall; Yes, No), on the time-specific components of pupil responses, trial baseline pupil size, and their dynamics (change) along the list. We found three components in the pupil responses (early, middle, and late). While the additional memory task (recall versus no recall) lowered all components' values, SNR (−4 dB versus +1 dB SNR) increased the middle and late component values. Increasing memory demands (Recall) progressively increased trial baseline and steepened decrease of the late component's values. Trial baseline increased most steeply in the condition of +1 dB SNR with recall. The findings suggest that adding a recall to the auditory task alters effort allocation for listening. Listeners are dynamically re-allocating effort from listening to memorizing under changing memory and acoustic demands. The pupil baseline and the time-specific components of pupil responses provide a comprehensive picture of the interplay of SNR and recall on effort. pubtype: Academic Journal doctype: equations & formulas pictorial research tables/charts Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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