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Investigating How Age Affects Self-Perception and Voice Awareness in Parkinson's Disease
Francisco Contreras-Ruston1, Héctor Arriagada-Concha2, Antonia Lagos-Villaseca3
1Department of Cognition, Development and Educational Psychology, University of Barcelona, Barcelona, Spain; Faculty of Psychology and Neuroscience, Department of Neuropsychology and Psychopharmacology, Maastricht University, 6229 ER Maastricht, The Netherlands; Speech-Language Pathology and Audiology Department - Universidad de Valparaíso, San Felipe, Chile.
Journal of Voice : Official Journal of the Voice Foundation
|March 11, 2025
Summary
Individuals with Parkinson's disease (PD) have reduced self-awareness of voice changes, and age does not worsen this deficit. Standard voice questionnaires may not effectively capture voice issues in PD patients.
Area of Science:
- Neurology
- Speech and Hearing Science
- Gerontology
Background:
- Parkinson's disease (PD) is associated with voice disturbances and impaired sensory feedback, affecting self-perception and awareness of vocal changes.
- Aging naturally impacts sensory and motor systems, raising questions about its combined effect with PD on voice self-awareness.
- Current patient-reported outcome measures (PROMs) may be insufficient for assessing voice changes in individuals with PD (IwPD).
Purpose of the Study:
- To investigate the interaction between age and sensory feedback in IwPD concerning self-perception and awareness of voice changes.
- To compare voice self-perception and awareness deficits between IwPD, individuals with general voice disorders (GVD), and healthy controls (HC).
Main Methods:
- Study included three age-similar groups: 27 IwPD (61-79 years), 25 GVD (57-83 years), and 28 HC (60-80 years).
- Voice self-perception assessed using Voice Symptoms Scale, Voice Handicap Index-10, and Voice-Related Quality of Life PROMs.
- Voice loudness analyzed, and multivariate techniques (PCA, cluster analysis) used to identify intergroup differences in voice quality and self-awareness.
Main Results:
- IwPD group exhibited lower self-perception and awareness of voice problems compared to GVD and HC groups.
- Age did not significantly impact voice self-perception or awareness within the IwPD group.
- GVD group showed marked differences in all PROMs and voice parameters compared to HC and PD groups; PCA revealed significant group differences in total scores and voice loudness.
Conclusions:
- Age-related sensory feedback changes do not significantly affect reduced voice self-perception and awareness in IwPD.
- Distinct patterns emerged: GVD formed a separate cluster, while IwPD showed variability overlapping with HC and GVD.
- PROMs have limited diagnostic utility for voice problems in IwPD, highlighting the need for tailored measures.
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