Poor phonetic perceivers are affected by cognitive load when resolving talker variability

The Journal of the Acoustical Society of America
Mark Antoniou, Patrick C M Wong

Abstract

Speech training paradigms aim to maximise learning outcomes by manipulating external factors such as talker variability. However, not all individuals may benefit from such manipulations because subject-external factors interact with subject-internal ones (e.g., aptitude) to determine speech perception and/or learning success. In a previous tone learning study, high-aptitude individuals benefitted from talker variability, whereas low-aptitude individuals were impaired. Because increases in cognitive load have been shown to hinder speech perception in mixed-talker conditions, it has been proposed that resolving talker variability requires cognitive resources. This proposal leads to the hypothesis that low-aptitude individuals do not use their cognitive resources as efficiently as those with high aptitude. Here, high- and low-aptitude subjects identified pitch contours spoken by multiple talkers under high and low cognitive load conditions established by a secondary task. While high-aptitude listeners outperformed low-aptitude listeners across load conditions, only low-aptitude listeners were impaired by increased cognitive load. The findings suggest that low-aptitude listeners either have fewer available cognitive resources or ar...Continue Reading

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Citations

Dec 3, 2017·The Journal of the Acoustical Society of America·Pamela Fuhrmeister, Emily B Myers
Jun 21, 2019·Attention, Perception & Psychophysics·Deirdre E McLaughlinTyler K Perrachione
Apr 6, 2019·Journal of Speech, Language, and Hearing Research : JSLHR·Jing ShaoCaicai Zhang
Feb 10, 2019·Attention, Perception & Psychophysics·Sung-Joo LimTyler K Perrachione
Jan 24, 2020·Attention, Perception & Psychophysics·Pamela Fuhrmeister, Emily B Myers
Nov 27, 2020·Frontiers in Neuroscience·Francesca Yoshie RussoIsabelle Mosnier
Nov 4, 2021·Psychonomic Bulletin & Review·Ja Young ChoiTyler K Perrachione

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