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Sponsor: Michigan State University
Conditions: Parkinson Disease, Atypical Parkinsonism
Interventions: Behavioral speech strategies + speech amplification
Countries: United States
The proposed research aims to investigate the use of speech amplification devices as a potential treatment option for people with Parkinson's disease and related disorders who exhibit hypophonia, a voice disorder that affects over half of those with Parkinson's disease. By characterizing the acoustic and perceptual effects of speech amplification and identifying ways to optimize outcomes through talker- and device-specific enhancements, this project seeks to develop personalized, evidence-based treatment options for hypophonia. The current proposal will move this effort forward by systematically eliciting and modifying speech amplification device output that leverage both behavioral and technological approaches.
Sex: ALL
Age: 50 Years to —
Healthy volunteers: No
Study type: INTERVENTIONAL
Inclusion Criteria: * Dominant speakers of North American English * Have received a neurologist's diagnosis of Parkinson disease or parkinsonism (e.g., PSP/MSA/PSP) * Present with changes in their speech/voice Exclusion Criteria: * History of any other speech, language, or neurological concern other than Parkinson/parkinsonism. * Uncorrected hearing loss that exceeds a threshold of 40 dB HL in more than one ear (as per baseline screening audiometry) and/or use of a cochlear implant.
- East Lansing, Michigan, United States