Perceiving Physiology from the Voice: Evidence for Physiological Coupling Between Laryngeal and Epilaryngeal Adjustments.
Zhaoyan Zhang, Kimberly Steinhauer
PMID 41558923WHAT IT FOUND
Highly trained listeners identified intended laryngeal configurations from voice with moderate agreement and 68% accuracy.
They struggled to distinguish subtle false vocal fold positions and perceived conflicting anatomical combinations as ambiguous or incorrect.
Key findings
01Overall agreement among listeners on perceived configurations was moderate, with an intraclass correlation coefficient of 0.61.
02Listeners correctly identified intended configurations 68% of the time, but this accuracy rose to 75% when two similar false vocal fold options were grouped together.
03Perception of specific anatomical combinations was inconsistent, with some pairings like Stiff vocal folds and constricted false vocal folds recalled at rates as low as 40%.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
The actual physiological configurations were not measured during voice production, so the study relied on the assumption that the speakers produced the intended settings. The recordings were made while speakers wore a facemask for aerodynamic data collection, which may have altered voice quality and listener perception. The study used a small number of speakers and listeners, all highly trained in one specific voice model, which limits generalizability to typical clinical populations. The number of recordings for certain configurations was unbalanced, which introduced biases in how accuracy was calculated for those specific options.
Declared interests
No specific conflicts of interest or funding sources were declared in the provided text.
The easy way to misread this
Do not assume that expert listeners can reliably identify every specific laryngeal configuration from a voice sample. The study found that subtle distinctions, particularly in false vocal fold position and certain anatomical combinations, were frequently misidentified or confused.
Summarised by AI from the full paper, without a clinician reviewing it. Check it against the source before it changes what you do. Read it on PubMed →