Associations between pre-stimulus alpha power, hearing level and performance in a digits-in-noise taskCitation formats

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Associations between pre-stimulus alpha power, hearing level and performance in a digits-in-noise task. / Alhanbali, Sara; Munro, Kevin; Dawes, Piers; Perugia, Emanuele; Millman, Rebecca.

In: International Journal of Audiology, 01.03.2021.

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@article{98ff4b2564c74cb8976589d402964cf7,
title = "Associations between pre-stimulus alpha power, hearing level and performance in a digits-in-noise task",
abstract = "Objective: Baseline electroencephalography [EEG] alpha power, i.e. that measured prior to stimulus presentation, is a potential objective predictor of task performance. Here we assessed the predictive power of EEG alpha on performance accuracy in a digits-in-noise recognition task, factoring in hearing thresholds and age.Design: EEG alpha power, recorded while participants listened to target digits presented in a noise background, was analysed during two different baseline periods: i) a pre-stimulus baseline (pre-STIM) free from any acoustic stimulus, and ii) a pre-target baseline (pre-TARG) recorded in background noise only. Study sample: 85 participants with either normal hearing or aided hearing impairment (age range: 55-85 years old, 42 male). Results: Hierarchical multiple regression analyses indicated that i) lower hearing thresholds and, to a lesser extent, higher pre-STIM alpha power were associated with improved performance accuracy ii) alpha power in pre-STIM and pre-TARG were highly correlated across individuals but pre-TARG alpha power was not a significant predictor of performance accuracy. Conclusion: Investigations of baseline EEG alpha power as a predictor of speech-in-noise performance accuracy should control for associations between hearing thresholds and measures of EEG baseline periods.",
author = "Sara Alhanbali and Kevin Munro and Piers Dawes and Emanuele Perugia and Rebecca Millman",
year = "2021",
month = mar,
day = "1",
language = "English",
journal = "International Journal of Audiology",
issn = "1499-2027",
publisher = "Informa Healthcare",

}

RIS

TY - JOUR

T1 - Associations between pre-stimulus alpha power, hearing level and performance in a digits-in-noise task

AU - Alhanbali, Sara

AU - Munro, Kevin

AU - Dawes, Piers

AU - Perugia, Emanuele

AU - Millman, Rebecca

PY - 2021/3/1

Y1 - 2021/3/1

N2 - Objective: Baseline electroencephalography [EEG] alpha power, i.e. that measured prior to stimulus presentation, is a potential objective predictor of task performance. Here we assessed the predictive power of EEG alpha on performance accuracy in a digits-in-noise recognition task, factoring in hearing thresholds and age.Design: EEG alpha power, recorded while participants listened to target digits presented in a noise background, was analysed during two different baseline periods: i) a pre-stimulus baseline (pre-STIM) free from any acoustic stimulus, and ii) a pre-target baseline (pre-TARG) recorded in background noise only. Study sample: 85 participants with either normal hearing or aided hearing impairment (age range: 55-85 years old, 42 male). Results: Hierarchical multiple regression analyses indicated that i) lower hearing thresholds and, to a lesser extent, higher pre-STIM alpha power were associated with improved performance accuracy ii) alpha power in pre-STIM and pre-TARG were highly correlated across individuals but pre-TARG alpha power was not a significant predictor of performance accuracy. Conclusion: Investigations of baseline EEG alpha power as a predictor of speech-in-noise performance accuracy should control for associations between hearing thresholds and measures of EEG baseline periods.

AB - Objective: Baseline electroencephalography [EEG] alpha power, i.e. that measured prior to stimulus presentation, is a potential objective predictor of task performance. Here we assessed the predictive power of EEG alpha on performance accuracy in a digits-in-noise recognition task, factoring in hearing thresholds and age.Design: EEG alpha power, recorded while participants listened to target digits presented in a noise background, was analysed during two different baseline periods: i) a pre-stimulus baseline (pre-STIM) free from any acoustic stimulus, and ii) a pre-target baseline (pre-TARG) recorded in background noise only. Study sample: 85 participants with either normal hearing or aided hearing impairment (age range: 55-85 years old, 42 male). Results: Hierarchical multiple regression analyses indicated that i) lower hearing thresholds and, to a lesser extent, higher pre-STIM alpha power were associated with improved performance accuracy ii) alpha power in pre-STIM and pre-TARG were highly correlated across individuals but pre-TARG alpha power was not a significant predictor of performance accuracy. Conclusion: Investigations of baseline EEG alpha power as a predictor of speech-in-noise performance accuracy should control for associations between hearing thresholds and measures of EEG baseline periods.

M3 - Article

JO - International Journal of Audiology

JF - International Journal of Audiology

SN - 1499-2027

ER -