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Corrigendum to "Eye movements of younger and older adults decrease during story listening in background noise" [Hearing Research 468 (2025) 109447].

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Related Experiment Video

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Eye movements of younger and older adults decrease during story listening in background noise.

Björn Herrmann1, Florian Scharf2, Andreas Widmann3

  • 1Rotman Research Institute, Baycrest Academy for Research and Education M6A 2E1, North York, ON, Canada; Department of Psychology, University of Toronto M5S 1A1, Toronto, ON, Canada.

Hearing Research
|October 10, 2025
PubMed
Summary

Eye movements decrease with increased listening effort, offering a new way to measure speech comprehension difficulties in older adults. This method works independently of visual stimuli and age.

Keywords:
AgingEffortEye movementsGaze dispersionPupillometrySpeech perceptionStory listening

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Area of Science:

  • Auditory Neuroscience
  • Human Factors Engineering
  • Gerontology

Background:

  • Listening effort is crucial for understanding speech comprehension deficits in older adults.
  • Pupillometry is a common but limited tool for measuring listening effort.
  • Eye movements show promise as alternative measures of listening effort, but require further validation.

Purpose of the Study:

  • To investigate if eye movements can assess listening effort during continuous speech.
  • To determine if eye movements are independent of visual stimuli and age in older adults.
  • To compare eye movements with pupillometry in measuring listening effort.

Main Methods:

  • Younger and older adults listened to continuous stories with varying background noise.
  • Eye movements (fixation duration, gaze dispersion, saccade rate) and pupil size were recorded.
  • Participants were tested under free and moving-dots viewing conditions.

Main Results:

  • Eye movements decreased with increasing speech masking, indicating higher listening effort.
  • This reduction in eye movements was consistent across age groups and viewing conditions.
  • Pupil size was only sensitive to speech masking early in the experiment.

Conclusions:

  • Eye movements effectively index listening effort during continuous speech listening.
  • Eye movements are a robust measure, unaffected by age or visual conditions.
  • Eye movements offer a promising, versatile tool for assessing listening effort.