Musical training as a potential tool for improving speech perception in background noise

Understanding speech in background noise is a complex and challenging task that causes difficulty for many people, including young children and older adults. Musicians, on the other hand, appear to have an enhanced ability to perceive speech in noise. This has prompted suggestions that musical train...

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Main Author: Yates, Kathryn
Format: Thesis (University of Nottingham only)
Language:English
Published: 2016
Online Access:https://eprints.nottingham.ac.uk/35842/
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author Yates, Kathryn
author_facet Yates, Kathryn
author_sort Yates, Kathryn
building Nottingham Research Data Repository
collection Online Access
description Understanding speech in background noise is a complex and challenging task that causes difficulty for many people, including young children and older adults. Musicians, on the other hand, appear to have an enhanced ability to perceive speech in noise. This has prompted suggestions that musical training could help people who struggle to communicate in complex auditory environments. The experiments presented in this thesis were designed to investigate if and how musical training could be used as an intervention for improving speech perception in noise. The aim of Experiment 1 was to identify specific musical skills which could be targeted for training. Musical beat perception was found to be strongly correlated with speech perception in noise. It was hypothesised that musical beat perception might enhance speech perception in noise by facilitating temporal orienting of attention to important parts of the signal. Experiments 2, 3 and 4 investigated this hypothesis using a rhythmic priming paradigm. Musical rhythm sequences were used to prime temporal expectations, with performance for on-beat targets predicted to be better than that for temporally displaced targets. Rhythmic priming benefits were observed for detection of pure-tone targets in noise and for identification of words in noise. For more complex rhythms, the priming effect was correlated with musical beat perception. Experiment 5 used the metric structure within a sentence context to prime temporal expectations for a target word. There was a significant benefit of rhythmic priming for both children and adults, but the effect was smaller for children. In Experiment 6, a musical beat training programme was devised and evaluated for a group of older adults. After four weeks of training, a small improvement in speech reception thresholds was observed. It was concluded that beat perception is a useful skill to target in a musical intervention for speech perception in noise.
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spelling nottingham-358422025-02-28T11:50:27Z https://eprints.nottingham.ac.uk/35842/ Musical training as a potential tool for improving speech perception in background noise Yates, Kathryn Understanding speech in background noise is a complex and challenging task that causes difficulty for many people, including young children and older adults. Musicians, on the other hand, appear to have an enhanced ability to perceive speech in noise. This has prompted suggestions that musical training could help people who struggle to communicate in complex auditory environments. The experiments presented in this thesis were designed to investigate if and how musical training could be used as an intervention for improving speech perception in noise. The aim of Experiment 1 was to identify specific musical skills which could be targeted for training. Musical beat perception was found to be strongly correlated with speech perception in noise. It was hypothesised that musical beat perception might enhance speech perception in noise by facilitating temporal orienting of attention to important parts of the signal. Experiments 2, 3 and 4 investigated this hypothesis using a rhythmic priming paradigm. Musical rhythm sequences were used to prime temporal expectations, with performance for on-beat targets predicted to be better than that for temporally displaced targets. Rhythmic priming benefits were observed for detection of pure-tone targets in noise and for identification of words in noise. For more complex rhythms, the priming effect was correlated with musical beat perception. Experiment 5 used the metric structure within a sentence context to prime temporal expectations for a target word. There was a significant benefit of rhythmic priming for both children and adults, but the effect was smaller for children. In Experiment 6, a musical beat training programme was devised and evaluated for a group of older adults. After four weeks of training, a small improvement in speech reception thresholds was observed. It was concluded that beat perception is a useful skill to target in a musical intervention for speech perception in noise. 2016-12-14 Thesis (University of Nottingham only) NonPeerReviewed application/pdf en arr https://eprints.nottingham.ac.uk/35842/1/Kat%20Yates%20Thesis%20-%20corrected.pdf Yates, Kathryn (2016) Musical training as a potential tool for improving speech perception in background noise. PhD thesis, University of Nottingham.
spellingShingle Yates, Kathryn
Musical training as a potential tool for improving speech perception in background noise
title Musical training as a potential tool for improving speech perception in background noise
title_full Musical training as a potential tool for improving speech perception in background noise
title_fullStr Musical training as a potential tool for improving speech perception in background noise
title_full_unstemmed Musical training as a potential tool for improving speech perception in background noise
title_short Musical training as a potential tool for improving speech perception in background noise
title_sort musical training as a potential tool for improving speech perception in background noise
url https://eprints.nottingham.ac.uk/35842/