2010
DOI: 10.1590/s1516-18462010005000020
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Medidas vocais acústicas na doença de Parkinson: estudo de casos

Abstract: RESUMOTema: características vocais acústicas de indivíduos com Doença de Parkinson (DP). Procedimentos: estudo de casos, estatística descritiva; cinco pares de parkinsonianos e controle, três masculinos e dois femininos, entre 36 e 63 anos. Avaliação otorrinolaringológica, fonoaudiológica, voz analisada pelo Multi-Dimensional Voice Program Advanced Model 5105 da Kay Pentax®. Resultados: a f0 das mulheres adultas de meia-idade com DP ficou na faixa masculina e a f0 dos controles no limite inferior da faixa femi… Show more

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Cited by 16 publications
(29 citation statements)
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References 20 publications
(91 reference statements)
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“…Measures of NHR showed statistical differences between the PD Group and the Control Group in this study, being higher in the latter. These results are consistent with the literature 17,23 , and this finding may reflect on the aging process of the larynx, which can compromise the quality of the voice, being more evident in males, especially from the sixth decade of life, and may or may not be aggravated by PD 20 . The anatomic and/or physiological features that may be associated with the changes in the NHR measures, in cases of hypokinetic dysarthria, as patients with PD, are still not clear.…”
Section: Discussionsupporting
confidence: 93%
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“…Measures of NHR showed statistical differences between the PD Group and the Control Group in this study, being higher in the latter. These results are consistent with the literature 17,23 , and this finding may reflect on the aging process of the larynx, which can compromise the quality of the voice, being more evident in males, especially from the sixth decade of life, and may or may not be aggravated by PD 20 . The anatomic and/or physiological features that may be associated with the changes in the NHR measures, in cases of hypokinetic dysarthria, as patients with PD, are still not clear.…”
Section: Discussionsupporting
confidence: 93%
“…The jitter values were higher in men with PD in several studies 9,10,[16][17][18][20][21][22] , when compared to the controls, corroborating the present study. The jitter increase may be associated with the loss of muscles motor control, which holds the function of the vocal folds, increasing the aperiodicity in the acoustic signal and the values of such measure in the PD Group 10 .…”
Section: Discussionsupporting
confidence: 91%
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“…PD shows characteristic motor signs such as resting tremor, muscle rigidity, postural instability, and slowness in the execution of movements, also called bradykinesia. In addition, patients with PD may present difficulty in oral communication, which depends on the functioning of the aspects of breathing, phonation (voice), articulation (speech), language, and cognition (2)(3)(4) .…”
Section: Introductionmentioning
confidence: 99%
“…The most frequent vocal characteristics in PD patients described in the literature are vocal tremor, frequency monotony, reduced loudness, and hoarse, rough and breathy voice quality (2,3) . The vocal alterations presented by patients with PD, when associated with changes in breathing, articulation, resonance, prosody and/or fluency, are characteristic of dysarthria.…”
Section: Introductionmentioning
confidence: 99%