Vocal Control: Is It Susceptible to the Negative Effects of Self-Regulatory Depletion?

Journal of Voice : Official Journal of the Voice Foundation
Lisa A VinneyLyn S Turkstra

Abstract

Self-regulation (SR) relies on the capacity to modify behavior. This capacity may diminish with use and result in self-regulatory depletion (SRD), or the reduced ability to engage in future SR efforts. If the SRD effect applies to vocal behavior, it may hinder success during behavioral voice treatment. Thus, this proof-of-concept study sought to determine whether SRD affects vocal behavior change and if so, whether it can be repaired by an intervention meant to replete SR resources. One hundred four women without voice disorders were randomized into groups that performed either (1) a high-SR writing task followed by a high-SR voice task; (2) a low-SR writing task followed by a high-SR voice task; or (3) a high-SR writing task followed by a relaxation intervention and a high-SR voice task. The high-SR voice tasks in all groups involved suppression of the Lombard effect during reading and free speech. The low-SR group suppressed the Lombard effect to a greater extent than the high-SR group and high-SR-plus-relaxation group on the free speech task. There were no significant group differences on the reading task. Findings suggest that SRD may present challenges to vocal behavior modification during free speech but not reading. Furt...Continue Reading

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Citations

Nov 14, 2016·Journal of Voice : Official Journal of the Voice Foundation·Anna Alice Almeida, Mara Behlau
Jun 14, 2019·Logopedics, Phoniatrics, Vocology·Miriam van MersbergenAlexis E Payne
Feb 23, 2020·Journal of Speech, Language, and Hearing Research : JSLHR·Eric J HunterSusanna Whitling
Mar 15, 2020·The European Journal of Neuroscience·Thomas PombergerSteffen R Hage
May 16, 2018·Journal of Voice : Official Journal of the Voice Foundation·Stephanie MisonoEileen M Harwood
Aug 17, 2019·Journal of Voice : Official Journal of the Voice Foundation·Iandra Kaline BarbosaAnna Alice Almeida

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