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Prosody of speech production in latent post-stroke aphasia

Lookup NU author(s): Dr Cong Zhang, Dr Christos SalisORCiD

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).

Abstract

This study explores prosodic production in latent aphasia, a mild form of aphasia associated with left-hemisphere brain damage (e.g. stroke). Unlike prior research on moderate to severe aphasia, we investigated latent aphasia, which can seem to have very similar speech production with neurotypical speech. We analysed the f0, intensity and duration of utterance-initial and utterance-final words of ten speakers with latent aphasia and ten matching controls. Regression models were fitted to improve our understanding of this understudied type of very mild aphasia. The results highlighted varying degrees of differences in all three prosodic measures between groups. We also investigated the diagnostic classification of latent aphasia versus neurotypical control using random forest, aiming to build a fast and reliable tool to assist with the identification of latent aphasia. The random forest analysis also reinforced the significance of prosodic features in distinguishing latent aphasia.

Publication metadata

Author(s): Zhang C, Li T, DeDe G, Salis C

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Interspeech 2024

Year of Conference: 2024

Pages: 5108-5112

Online publication date: 01/09/2024

Acceptance date: 02/06/2024

Date deposited: 12/11/2024

ISSN: 2958-1796

URL: https://doi.org/10.21437/Interspeech.2024-524

DOI: 10.21437/Interspeech.2024-524

ePrints DOI: 10.57711/hdce-0577

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