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  3. Extended High-frequency Hearing Sensitivity Facilitates Predictive Speech Perception.
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  3. Extended High-frequency Hearing Sensitivity Facilitates Predictive Speech Perception.

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Extended high-frequency hearing sensitivity facilitates predictive speech perception.

Tugba Lulaci1, Pelle Söderström2, Mikael Roll1

  • 1Centre for Languages and Literature, Lund University, Lund, Sweden.

Hearing Research
|October 22, 2025

View abstract on PubMed

Summary
This summary is machine-generated.

Enhanced high-frequency hearing aids in speech perception. Better hearing in these frequencies improves word recognition by enabling predictive processing of early acoustic cues, especially for sounds like /s/.

Keywords:
Acoustic cuesAuditory predictionCoarticulationExtended high-frequency hearingHearing acuitySpeech perception

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Area of Science:

  • Auditory Neuroscience
  • Speech Perception
  • Psychoacoustics

Background:

  • Speech perception requires cognitive abilities and detailed acoustic processing.
  • The brain uses predictive mechanisms to interpret complex, noisy, and rapid natural speech.
  • Anticipatory coarticulation provides acoustic cues that aid auditory prediction, particularly in degraded listening conditions.

Purpose of the Study:

  • To investigate the relationship between extended high-frequency hearing thresholds and word recognition.
  • To determine if high-frequency hearing sensitivity influences the ability to use early coarticulatory cues for spoken-word recognition.
  • To explore the role of extended high-frequency hearing in predictive speech processing.

Main Methods:

  • An auditory gating paradigm was adapted using words with fricative onsets (/f/ and /s/).
  • Listeners' extended high-frequency hearing sensitivity was measured.
  • Word recognition performance was assessed in relation to hearing thresholds and the use of coarticulatory cues.

    • Main Results:

    • Listeners with better extended high-frequency hearing thresholds showed improved accuracy in word recognition.
    • Predictive use of coarticulatory cues was observed as early as 15 ms for words starting with /s/.
    • This predictive benefit was not observed for words starting with /f/, which have less high-frequency energy.

    Conclusions:

    • Extended high-frequency hearing plays a significant perceptual role in natural speech perception.
    • Improved high-frequency hearing facilitates predictive processing by enhancing access to early acoustic cues.
    • Individual differences in extended high-frequency hearing impact the ability to predict spoken words in challenging auditory environments.