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Consistent within-session measures of tinnitus.

M J Penner1, R C Bilger

  • 1Psychology Department University of Maryland, College Park.

Journal of Speech and Hearing Research
|June 1, 1992
PubMed
Summary
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This study compared two methods for measuring tinnitus pitch and loudness. The forced-choice double-staircase adaptive procedure (FCDS) showed better pitch consistency than the method of adjustment (MOA), with similar loudness consistency.

Area of Science:

  • Audiology
  • Psychophysics
  • Tinnitus Research

Background:

  • Tinnitus, a perception of sound without an external source, significantly impacts quality of life.
  • Accurate measurement of tinnitus characteristics (pitch and loudness) is crucial for understanding its nature and developing effective treatments.
  • Psychophysical methods are essential tools for quantifying subjective auditory experiences like tinnitus.

Purpose of the Study:

  • To compare the within-session and between-session reliability of two psychophysical methods for measuring tinnitus pitch and loudness: the method of adjustment (MOA) and a forced-choice double-staircase adaptive procedure (FCDS).
  • To assess the stability of tinnitus characteristics over time using these methods.

Main Methods:

  • Eleven subjects underwent tinnitus pitch and loudness matching using both MOA and FCDS within a single session.

Related Experiment Videos

  • Three subjects participated in 20 sessions to evaluate long-term reliability.
  • FCDS variability was compared to MOA variability and to FCDS performance with objective stimuli.

    • Main Results:

    • The FCDS demonstrated lower within-session variability for tinnitus pitch matching compared to the MOA.
    • Within-session variability for tinnitus loudness matching was comparable between FCDS and MOA.
    • Measures of tinnitus pitch and loudness obtained via both methods were correlated across multiple sessions for subjects tested over time, suggesting short-term stability but potential long-term fluctuation.

    Conclusions:

    • The FCDS procedure offers improved reliability for measuring tinnitus pitch compared to the MOA.
    • Both methods provide comparable loudness measurements and show potential for tracking tinnitus over time.
    • Tinnitus characteristics may exhibit stability over short periods but can fluctuate over longer durations, necessitating longitudinal studies.