Systematic Comparison of Trial Exclusion Criteria for Pupillometry Data Analysis in Individuals With Single-Sided Deafness and Normal Hearing.

The measurement of pupil dilation has become a common way to assess listening effort. Pupillometry data are subject to artifacts, requiring highly contaminated data to be discarded from analysis. It is unknown how trial exclusion criteria impact experimental results. The present study examined the e...

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Published in:Trends in Hearing pp. 1 - 18
Main Authors: Burg, Emily A., Thakkar, Tanvi, Fields, Taylor, Misurelli, Sara M., Kuchinsky, Stefanie E., Roche, Joseph, Lee, Daniel J., Litovsky, Ruth Y.
Format: research tables/charts randomized controlled trial Journal Article
Published: Sage Publications Inc. 5/24/2021
Online Access:View this record in EBSCOhost
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      dt: 5/24/2021
      pid: 344
      pub: Sage Publications Inc.
      place: Thousand Oaks, California
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        10.1177/23312165211013256
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        atl: Systematic Comparison of Trial Exclusion Criteria for Pupillometry Data Analysis in Individuals With Single-Sided Deafness and Normal Hearing.
      aug:
        au:
          Burg, Emily A.
          Thakkar, Tanvi
          Fields, Taylor
          Misurelli, Sara M.
          Kuchinsky, Stefanie E.
          Roche, Joseph
          Lee, Daniel J.
          Litovsky, Ruth Y.
        affil: Waisman Center, University of Wisconsin-Madison, Madison, Wisconsin, United States
      sug:
        subj:
          Hearing Loss, Partial
          Deafness
          Hearing
          Blinking
          Reflex, Pupillary Evaluation
          Speech Intelligibility Evaluation
          Listening Evaluation
          Task Performance and Analysis
          Human
          Descriptive Statistics
          Comparative Studies
          Perceptual Masking
          Cochlear Implant
          Randomized Controlled Trials
          Noise
          Auditory Threshold
      ab: The measurement of pupil dilation has become a common way to assess listening effort. Pupillometry data are subject to artifacts, requiring highly contaminated data to be discarded from analysis. It is unknown how trial exclusion criteria impact experimental results. The present study examined the effect of a common exclusion criterion, percentage of blinks, on speech intelligibility and pupil dilation measures in 9 participants with single-sided deafness (SSD) and 20 participants with normal hearing. Participants listened to and repeated sentences in quiet or with speech maskers. Pupillometry trials were processed using three levels of blink exclusion criteria: 15%, 30%, and 45%. These percentages reflect a threshold for missing data points in a trial, where trials that exceed the threshold are excluded from analysis. Results indicated that pupil dilation was significantly greater and intelligibility was significantly lower in the masker compared with the quiet condition for both groups. Across-group comparisons revealed that speech intelligibility in the SSD group decreased significantly more than the normal hearing group from quiet to masker conditions, but the change in pupil dilation was similar for both groups. There was no effect of blink criteria on speech intelligibility or pupil dilation results for either group. However, the total percentage of blinks in the masker condition was significantly greater than in the quiet condition for the SSD group, which is consistent with previous studies that have found a relationship between blinking and task difficulty. This association should be carefully considered in future experiments using pupillometry to gauge listening effort.
      pubtype: Academic Journal
      doctype:
        research
        tables/charts
        randomized controlled trial
        Journal Article
      ougenre: Article
    language: English
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