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Related Experiment Video

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Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
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No learning effect observed for reception thresholds for sentences in noise.

Andrew Stuart, Alyson K Butler

    American Journal of Audiology
    |April 5, 2014
    PubMed
    Summary

    Sentence recognition thresholds were better in interrupted noise for normal-hearing adults. These thresholds remained stable across multiple test sessions, indicating reliable sentence recognition measures.

    Area of Science:

    • Audiology
    • Speech Perception Research

    Background:

    • Understanding speech in noisy environments is crucial for hearing-impaired individuals.
    • Reception thresholds for sentences (RTSs) assess auditory function in noise.
    • Previous research has explored factors influencing RTSs, including noise type and repeated testing.

    Purpose of the Study:

    • To investigate the impact of continuous versus interrupted noise on RTSs in normal-hearing adults.
    • To determine the stability of RTSs across five repeated test sessions.
    • To test the hypothesis that RTSs would be superior in interrupted noise and stable over time.

    Main Methods:

    • Twenty-five normal-hearing adults participated in the study.
    • RTSs were measured using the Hearing in Noise Test (HINT) sentences.

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  • An adaptive procedure determined the signal-to-noise ratio for 50% correct performance in continuous and interrupted noise at 65 dBA.

    • Main Results:

    • RTSs were significantly better (lower signal-to-noise ratio) in interrupted noise compared to continuous noise (p < .0001).
    • No significant effect of test session on RTSs was observed (p = .12).
    • There was no significant interaction between test session and noise type (p = .13).

    Conclusions:

    • Reception thresholds for sentences (RTSs) are superior in interrupted noise.
    • RTSs are stable across repeated test sessions in normal-hearing adults, suggesting no learning effect.
    • The Hearing in Noise Test provides reliable sentence recognition measures over time when unique sentence lists are used.