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Research Note
12 December 2022

Long-Term Averaged Spectrum Descriptors of Dysarthria in Patients With Parkinson's Disease Treated With Subthalamic Nucleus Deep Brain Stimulation

Publication: Journal of Speech, Language, and Hearing Research
Volume 65, Number 12
Pages 4690-4699

Abstract

Purpose:

This study aimed to evaluate whether long-term averaged spectrum (LTAS) descriptors for reading and monologue are suitable to detect worsening of dysarthria in patients with Parkinson's disease (PD) treated with subthalamic nucleus deep brain stimulation (STN-DBS) with potential effect of ON and OFF stimulation conditions and types of connected speech.

Method:

Four spectral moments based on LTAS were computed for monologue and reading passage collected from 23 individuals with PD treated with bilateral STN-DBS and 23 age- and gender-matched healthy controls. Speech performance of patients with PD was compared in ON and OFF STN-DBS conditions.

Results:

All LTAS spectral moments including mean, standard deviation, skewness, and kurtosis across both monologue and reading passage were able to significantly distinguish between patients with PD in both stimulation conditions and control speakers. The spectral mean was the only LTAS measure sensitive to capture better speech performance in STN-DBS ON, as compared to the STN-DBS OFF stimulation condition (p < .05). Standardized reading passage was more sensitive compared to monologue in detecting dysarthria severity via LTAS descriptors with an area under the curve of up to 0.92 obtained between PD and control groups.

Conclusions:

Our findings confirmed that LTAS is a suitable approach to objectively describe changes in speech impairment severity due to STN-DBS therapy in patients with PD. We envisage these results as an important step toward a continuum development of technological solutions for the automated assessment of stimulation-induced dysarthria.

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Information & Authors

Information

Published In

Journal of Speech, Language, and Hearing Research
Volume 65Number 12December 2022
Pages: 4690-4699
PubMed: 36472939

History

  • Received: May 27, 2022
  • Revised: Aug 23, 2022
  • Accepted: Aug 26, 2022
  • Published online: Dec 6, 2022
  • Published in issue: Dec 12, 2022

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Authors

Affiliations

Jan Svihlik
Department of Circuit Theory, Faculty of Electrical Engineering, Czech Technical University in Prague, Czech Republic
Department of Computing and Control Engineering, Faculty of Chemical Engineering, University of Chemistry and Technology, Prague, Czech Republic
Michal Novotny
Department of Circuit Theory, Faculty of Electrical Engineering, Czech Technical University in Prague, Czech Republic
Tereza Tykalova
Department of Circuit Theory, Faculty of Electrical Engineering, Czech Technical University in Prague, Czech Republic
Kamila Polakova
Department of Neurology and Centre of Clinical Neuroscience, First Faculty of Medicine, Charles University, and General University Hospital, Prague, Czech Republic
Hana Brozova
Department of Neurology and Centre of Clinical Neuroscience, First Faculty of Medicine, Charles University, and General University Hospital, Prague, Czech Republic
Petr Kryze
Department of Circuit Theory, Faculty of Electrical Engineering, Czech Technical University in Prague, Czech Republic
Mario Sousa
Movement Disorders Center, Department of Neurology, University Hospital of Bern, Switzerland
Paul Krack
Movement Disorders Center, Department of Neurology, University Hospital of Bern, Switzerland
Elina Tripoliti
UCL Queen Square Institute of Neurology, Department of Clinical and Movement Neurosciences, National Hospital for Neurology and Neurosurgery, University College London Hospitals NHS Foundation Trust, United Kingdom
Evzen Ruzicka
Department of Neurology and Centre of Clinical Neuroscience, First Faculty of Medicine, Charles University, and General University Hospital, Prague, Czech Republic
Robert Jech
Department of Neurology and Centre of Clinical Neuroscience, First Faculty of Medicine, Charles University, and General University Hospital, Prague, Czech Republic
Department of Circuit Theory, Faculty of Electrical Engineering, Czech Technical University in Prague, Czech Republic
Department of Neurology and Centre of Clinical Neuroscience, First Faculty of Medicine, Charles University, and General University Hospital, Prague, Czech Republic
Movement Disorders Center, Department of Neurology, University Hospital of Bern, Switzerland

Notes

Disclosure: The authors have declared that no competing financial or nonfinancial interests existed at the time of publication.
Correspondence to Jan Rusz: [email protected]
Editor-in-Chief: Cara E. Stepp
Editor: Shaheen N. Awan

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Citing Literature

  • Investigating How Age Affects Self-Perception and Voice Awareness in Parkinson's Disease, Journal of Voice, 10.1016/j.jvoice.2025.02.032, (2025).
  • Voice self-assessment in individuals with Parkinson's Disease as compared to general voice disorders, Parkinsonism & Related Disorders, 10.1016/j.parkreldis.2024.106944, 123, (106944), (2024).
  • Long-term effects of subthalamic nucleus deep brain stimulation on speech in Parkinson’s disease, Scientific Reports, 10.1038/s41598-023-38555-2, 13, 1, (2023).

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