Vocal loading challenge

Vocal loading challenge has been studied in 1 paper since 2017: 1 observational study in people. The newest paper, Aug 25, 2017: “Respiratory and Laryngeal Changes With Vocal Loading in Younger and Older Individuals”.

Intervention

1 paper studies it5 findingsUpdated

See all 1

“Sound pressure level increased in the older group and decreased in the younger group after loading.”
Respiratory and Laryngeal Changes With Vocal Loading in Younger and Older IndividualsJournal of speech, language, and hearing research : JSLHR2017doi:10.1044/2017_jslhr-s-17-0106

1 of its findings points the other way.

  • 1 lab in 1 country
  • 1 finding against
  • Funder: Purdue University
  • Humans1

What did studies of Vocal loading challenge find?

4

Studies of Vocal loading challenge measured 4 outcomes; the most studied are sound pressure level (1 study), cepstral peak prominence (1) and lung volume initiation (1).

Sound pressure level

downin humans1upin humans1

1 study
  1. Vocal loading challenge decreases sound pressure level in humans.

    “Sound pressure level increased in the older group and decreased in the younger group after loading.”

    Human trialyounger group, in 70-dB background noise40-minn = 14

    Respiratory and Laryngeal Changes With Vocal Loading in Younger and Older Individuals

    Journal of speech, language, and hearing research : JSLHR

  2. Vocal loading challenge increases sound pressure level in humans.

    “Sound pressure level increased in the older group and decreased in the younger group after loading.”

    Human trialolder group, in 70-dB background noise40-minn = 13

    Respiratory and Laryngeal Changes With Vocal Loading in Younger and Older Individuals

    Journal of speech, language, and hearing research : JSLHR

More on Sound pressure level

Cepstral peak prominence

upin humans1

1 study
  1. Vocal loading challenge increases cepstral peak prominence in humans (small magnitude).

    “Cepstral peak prominence increased with loading in both groups, but this change was of small magnitude and not clinically significant.”

    Human trialin 70-dB background noise40-min

    Respiratory and Laryngeal Changes With Vocal Loading in Younger and Older Individuals

    Journal of speech, language, and hearing research : JSLHR

More on Cepstral peak prominence

Lung volume initiation

downin humans1

1 study
  1. Vocal loading challenge decreases lung volume initiation in humans.

    “Younger adults, but not older adults, used lower lung volume initiations and higher lung volume terminations after loading.”

    Human trialyounger adults, in 70-dB background noise40-minn = 14

    Respiratory and Laryngeal Changes With Vocal Loading in Younger and Older Individuals

    Journal of speech, language, and hearing research : JSLHR

More on Lung volume initiation

Speaking effort

upin humans1

1 study
  1. Vocal loading challenge increases speaking effort in humans.

    “Following the loading challenge, participants in both groups reported greater speaking effort.”

    Human trialin the presence of 70-dB background noise40-min

    Respiratory and Laryngeal Changes With Vocal Loading in Younger and Older Individuals

    Journal of speech, language, and hearing research : JSLHR

More on Speaking effort

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