The Effect of Intentional Voice Quality Alteration on Mental Effort as Measured via Pupillometry and Self-Report Scales.

Purpose: Mental effort is theoretically and qualitatively known to increase when individuals intentionally alter their voice quality, as they learn to do in voice therapy or voice training. The purpose of this study was to examine the effect of voice quality alteration on mental effort using both (o...

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Bibliographic Details
Published in:	Journal of Speech, Language & Hearing Research Vol. 69; no. 1; pp. 1 - 16
Main Authors:	van Leer, Eva, Ribas, Lucas De Bail, Won, Madison, Luan, Tianqi, Curtis, Mackenzie L.
Format:	Article
Published:	American Speech-Language-Hearing Association Jan2026
Subjects:	Self-evaluation Repeated measures design Statistical power analysis Cognitive testing T-test (Statistics) Data analysis Reflexes Descriptive statistics Experimental design Intention Speech evaluation Statistics Research Human voice Pupil (Eye) Comparative studies
Online Access:	View this record in EBSCOhost