The laryngeal vestibule and voice quality

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Abstract
Most of the literature on voice quality focuses on the vocal folds while six other gestures involving the laryngeal entry and epilaryngeal structures are largely ignored. Whole organ tracer series histograms of the larynx are examined and suggestions are made as to which muscles and/or forces might cause these gestures. An examination of photographs of the larynx indicates that the latter must be described in three dimensions: (1) medio-lateral, (2) antero-posterior, and (3) vestibule cross-sectional area. The article is aimed at laryngologists in general, not surgeons in particular, and has implications for laryngology (being a putative model of diagnostic procedures), physiology (what forces create epilaryngeal configurations?), neuroscience (does the motor cortex control single muscles or whole gestures?), speech pathology (what is the ragbag called “hypertenseness”?), linguistics (how is one to describe lower pharynx phenomena?) and paralinguistics (what is the extrasystemic laryngeal component of voice quality?).

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