Measuring listening-related effort and fatigue in school-aged children using pupillometry

Ronan McGarrigle*, Piers Dawes, Andrew J. Stewart, Stefanie E. Kuchinsky, Kevin J. Munro

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

Stress and fatigue from effortful listening may compromise well-being, learning, and academic achievement in school-aged children. The aim of this study was to investigate the effect of a signal-to-noise ratio (SNR) typical of those in school classrooms on listening effort (behavioral and pupillometric) and listening-related fatigue (self-report and pupillometric) in a group of school-aged children. A sample of 41 normal-hearing children aged 8–11 years performed a narrative speech–picture verification task in a condition with recommended levels of background noise (“ideal”: +15 dB SNR) and a condition with typical classroom background noise levels (“typical”: −2 dB SNR). Participants showed increased task-evoked pupil dilation in the typical listening condition compared with the ideal listening condition, consistent with an increase in listening effort. No differences were found between listening conditions in terms of performance accuracy and response time on the behavioral task. Similarly, no differences were found between listening conditions in self-report and pupillometric markers of listening-related fatigue. This is the first study to (a) examine listening-related fatigue in children using pupillometry and (b) demonstrate physiological evidence consistent with increased listening effort while listening to spoken narratives despite ceiling-level task performance accuracy. Understanding the physiological mechanisms that underpin listening-related effort and fatigue could inform intervention strategies and ultimately mitigate listening difficulties in children.

Original languageEnglish
Pages (from-to)95-112
Number of pages18
JournalJournal of Experimental Child Psychology
Volume161
DOIs
Publication statusPublished - Sep 2017
Externally publishedYes

Keywords

  • listening effort
  • listening-related fatigue
  • children
  • pupillometry
  • arousal
  • speech in noise

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