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How does otitis media with effusion history affect spatial auditory processing and listening effort?

Matan Yosef1,2, Avital Trau-Margalit1, Tami Harel-Arbeli3,4

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European Archives of Oto-Rhino-Laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery
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Summary

Children with a history of otitis media with effusion (OME) show lasting impacts on auditory processing and listening effort, even with normal hearing. Early intervention and monitoring are key for their development.

Keywords:
Auditory processingListening effortOtitis media with effusion (OME)PupillometrySpatial release from masking (SRM)

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Area of Science:

  • Auditory Neuroscience
  • Developmental Psychology
  • Speech and Hearing Sciences

Background:

  • Otitis media with effusion (OME) is a common childhood condition causing temporary conductive hearing loss.
  • OME can potentially impact auditory development and cognitive skills.
  • Understanding long-term effects is crucial for effective intervention.

Purpose of the Study:

  • To investigate the long-term effects of OME history on spatial auditory processing.
  • To assess listening effort (LE) in children with a history of OME.
  • To evaluate the impact on cognitive functions like working memory.

Main Methods:

  • Compared 17 children with OME history (normal hearing) to 22 controls.
  • Used speech-in-noise tasks (spatial/non-spatial) and pupillometry for LE.
  • Administered auditory digit span tasks for working memory assessment.

Main Results:

  • Children with OME history needed higher signal-to-noise ratios (SNRs) in spatial conditions.
  • Increased pupil dilation indicated greater listening effort in non-spatial conditions.
  • Lower backward digit span scores were observed in the OME group.

Conclusions:

  • History of OME necessitates auditory compensation and shows increased listening effort.
  • OME may have persistent effects on auditory and cognitive functions post-hearing recovery.
  • Early identification, intervention, and long-term monitoring are recommended for affected children.