2017
DOI: 10.1016/j.jvoice.2016.10.021
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Acoustic Measures of Voice and Physiologic Measures of Autonomic Arousal during Speech as a Function of Cognitive Load

Abstract: Objectives/Hypothesis The purpose of this study was to determine the relationship among cognitive load condition and measures of autonomic arousal and voice production in healthy adults. Study Design Prospective. Methods Sixteen healthy young adults (eight females) produced a sentence containing an embedded Stroop task in each of two cognitive load conditions: congruent and incongruent. In both conditions, participants said the font color of the color words instead of the word text. In the incongruent cond… Show more

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Cited by 43 publications
(27 citation statements)
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“…Moreover, the acoustic structure of speech is also influenced by arousal levels (52). For example, during speech produced under increased cognitive load, humans show heightened autonomic arousal, which correlates with changes in voice quality (51). Our findings with marmoset monkey vocal production are thus consistent with what is known about human speech production.…”
supporting
confidence: 86%
See 1 more Smart Citation
“…Moreover, the acoustic structure of speech is also influenced by arousal levels (52). For example, during speech produced under increased cognitive load, humans show heightened autonomic arousal, which correlates with changes in voice quality (51). Our findings with marmoset monkey vocal production are thus consistent with what is known about human speech production.…”
supporting
confidence: 86%
“…to physiologically measured arousal states (49)(50)(51). Moreover, the acoustic structure of speech is also influenced by arousal levels (52).…”
mentioning
confidence: 99%
“…They found that the Stroop speaking condition was associated with increased SNS activity and higher speech coordination variability in school-age children and adults. In their study of the effects of arousal on SNS and voice indices, MacPherson et al (2017) also used a Stroop speaking condition to increase arousal levels in healthy adults. They observed increased SCR amplitudes concomitant with changes in acoustic measures of voice under higher cognitive load.…”
Section: Introductionmentioning
confidence: 99%
“…They found that the Stroop speaking condition was associated with ANS arousal, evidenced by increases in skin conductance and heart rate and reduced BPV, and decreased coordination of articulatory coupling during sentence production. In a recent study of the effects of autonomic arousal on voice production in 16 healthy young adults, MacPherson, Abur, and Stepp (2017) found a significant relationship between skin conductance measures and acoustic phonatory parameters under increased cognitive load (also elicited by a Stroop task). Furthermore, Tolkmitt and Scherer (1986) noted that the effects of stress on phonatory and articulatory measures were significantly greater in participants who self-reported being more susceptible to stress.…”
Section: Effects Of Sns Arousal On Speech and Other Motor Behaviorsmentioning
confidence: 98%