A Sequential Sentence Paradigm Using Revised PRESTO Sentence Lists

Plotkowski, Andrea R.; Alexander, Joshua M.

doi:10.3766/jaaa.15074

J Am Acad Audiol

2016

DOI: 10.3766/jaaa.15074

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A Sequential Sentence Paradigm Using Revised PRESTO Sentence Lists

Andrea R. Plotkowski

Joshua M. Alexander

Abstract: The sequential sentence paradigm is a feasible test format with mostly equivalent lists. Future studies using this paradigm may need to consider individual differences in WM to see the full range of effects across different conditions. Possible applications include testing the efficacy of various signal-processing techniques in clinical populations.

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Cited by 2 publications

References 47 publications

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Recognition of foreign-accented speech in noise: The interplay between talker intelligibility and linguistic structure

Strori

Bradlow

Souza

2020

The Journal of the Acoustical Society of America

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Foreign-accented speech recognition is typically tested with linguistically simple materials, which offer a limited window into realistic speech processing. The present study examined the relationship between linguistic structure and talker intelligibility in several sentence-in-noise recognition experiments. Listeners transcribed simple/short and more complex/longer sentences embedded in noise. The sentences were spoken by three talkers of varying intelligibility: one native, one high-, and one low-intelligibility non-native English speakers. The effect of linguistic structure on sentence recognition accuracy was modulated by talker intelligibility. Accuracy was disadvantaged by increasing complexity only for the native and high intelligibility foreign-accented talkers, whereas no such effect was found for the low intelligibility foreign-accented talker. This pattern emerged across conditions: low and high signal-to-noise ratios, mixed and blocked stimulus presentation, and in the absence of a major cue to prosodic structure, the natural pitch contour of the sentences. Moreover, the pattern generalized to a different set of three talkers that matched the intelligibility of the original talkers. Taken together, the results in this study suggest that listeners employ qualitatively different speech processing strategies for low- versus high-intelligibility foreign-accented talkers, with sentence-related linguistic factors only emerging for speech over a threshold of intelligibility. Findings are discussed in the context of alternative accounts.

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Recognition of foreign-accented speech in noise: The interplay between talker intelligibility and linguistic structure

Strori

Bradlow

Souza

2020

The Journal of the Acoustical Society of America

View full text Add to dashboard Cite

show abstract

The relationship between ipsilateral cochlear gain reduction and speech-in-noise recognition at positive and negative signal-to-noise ratios

Milvae

Alexander

Strickland

2021

The Journal of the Acoustical Society of America

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Active mechanisms that regulate cochlear gain are hypothesized to influence speech-in-noise perception. However, evidence of a relationship between the amount of cochlear gain reduction and speech-in-noise recognition is mixed. Findings may conflict across studies because different signal-to-noise ratios (SNRs) were used to evaluate speech-in-noise recognition. Also, there is evidence that ipsilateral elicitation of cochlear gain reduction may be stronger than contralateral elicitation, yet, most studies have investigated the contralateral descending pathway. The hypothesis that the relationship between ipsilateral cochlear gain reduction and speech-in-noise recognition depends on the SNR was tested. A forward masking technique was used to quantify the ipsilateral cochlear gain reduction in 24 young adult listeners with normal hearing. Speech-in-noise recognition was measured with the PRESTO-R sentence test using speech-shaped noise presented at −3, 0, and +3 dB SNR. Interestingly, greater cochlear gain reduction was associated with lower speech-in-noise recognition, and the strength of this correlation increased as the SNR became more adverse. These findings support the hypothesis that the SNR influences the relationship between ipsilateral cochlear gain reduction and speech-in-noise recognition. Future studies investigating the relationship between cochlear gain reduction and speech-in-noise recognition should consider the SNR and both descending pathways.

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A Sequential Sentence Paradigm Using Revised PRESTO Sentence Lists

Cited by 2 publications

References 47 publications

Recognition of foreign-accented speech in noise: The interplay between talker intelligibility and linguistic structure

Recognition of foreign-accented speech in noise: The interplay between talker intelligibility and linguistic structure

The relationship between ipsilateral cochlear gain reduction and speech-in-noise recognition at positive and negative signal-to-noise ratios

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