Tolerance of the VocaLog™ Vocal Monitor by Healthy Persons and Individuals With Parkinson Disease

Jeff Searl, Angela M. Dietsch

Research output: Contribution to journalArticle

Abstract

Summary Objective To assess subject tolerance of extended use of the VocaLog™ vocal monitor (VM), a device marketed to log calibrated decibel sound pressure level. Study Design Prospective between-subjects design including two age- and sex-matched groups: individuals with Parkinson disease (IWPD) and healthy persons. Methods After an initial session to calibrate the device and demonstrate its use, participants wore the VM during waking hours for five consecutive days. At a second visit to return the VM, participants completed a survey and a short interview regarding their experience with and perceptions of the device. Results Those with PD and control subjects reported relatively few issues with use of the VM. There were no group differences regarding convenience, others' reactions, technical issues, or future participation in similar studies. Participants with PD indicated similar frequency of discomfort issues but higher severity ratings for discomfort during VM use compared with healthy participants. Conclusions The VocaLog™ offers a method to monitor vocal loudness during everyday activities for several consecutive days. The device was well tolerated by participants from both groups. IWPD reported greater discomfort than controls, possibly reflecting altered sensory perceptions associated with PD. The current data offer some reassurance that this VM can be tolerated by both healthy persons and those with PD for clinical and research purposes.

Original languageEnglish (US)
Article number1403
Pages (from-to)518.e13-518.e20
JournalJournal of Voice
Volume29
Issue number4
DOIs
StatePublished - Jul 1 2015

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Parkinson Disease
Equipment and Supplies
Healthy Volunteers
Research Design
Prospective Studies
Interviews
Pressure
Research

Keywords

  • Instrumentation
  • Parkinson disease
  • Voice monitor

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Speech and Hearing
  • LPN and LVN

Cite this

Tolerance of the VocaLog™ Vocal Monitor by Healthy Persons and Individuals With Parkinson Disease. / Searl, Jeff; Dietsch, Angela M.

In: Journal of Voice, Vol. 29, No. 4, 1403, 01.07.2015, p. 518.e13-518.e20.

Research output: Contribution to journalArticle

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