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Do Hearing Aids Improve Affect Perception?

Juliane Schmidt1, Diana Herzog2, Odette Scharenborg3,4

  • 1Centre for Language Studies, Radboud University, PO Box 9103, 6550, HD, Nijmegen, The Netherlands. j.schmidt@let.ru.nl.

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|April 16, 2016
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Summary

Hearing aids improve how older adults with hearing loss perceive emotional arousal in speech by enhancing their use of acoustic cues like intensity. This aids in better emotional interpretation, particularly for arousal.

Keywords:
Acoustic parametersAffective prosodyArousalEmotion perceptionHearing aidsHearing lossMean F0Mean intensityNatural speechOlder adultsValence

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Area of Science:

  • Audiology
  • Speech Perception
  • Affective Science

Background:

  • Normal-hearing individuals utilize acoustic cues for emotional state interpretation.
  • Hearing loss can impair the perception of emotional cues in speech.
  • Hearing aids aim to restore auditory function, potentially impacting emotional perception.

Purpose of the Study:

  • To investigate the impact of hearing aids on the perception of arousal and valence in older adults with hearing loss.
  • To determine if hearing aids improve the correlation between emotional ratings and acoustic parameters.
  • To compare aided and unaided listening conditions and contrast with normal-hearing listeners.

Main Methods:

  • 23 hearing aid users' affect ratings were collected in aided and unaided conditions.
  • Ratings were compared to an age-matched group of 22 normal-hearing participants.
  • Acoustic parameters (intensity, tempo, pitch) were analyzed in relation to affect ratings.

Main Results:

  • Hearing aid users perceived greater arousal in the aided condition, with intensity being the key cue.
  • Poorer hearing participants utilized additional prosodic cues (tempo, pitch) for arousal.
  • Pitch was the primary acoustic cue for valence perception, unaffected by hearing aid use or loss severity.

Conclusions:

  • Hearing aid use is crucial for rehabilitating affect perception in individuals with hearing loss.
  • Hearing aids significantly influence the interpretation of arousal, enhancing sensitivity to intensity cues.
  • While valence perception remained similar to normal-hearing listeners, arousal interpretation showed improved sensitivity with hearing aids.