Acoustic and hearing-perceptual voice analysis in individuals with idiopathic Parkinson's disease in "on" and "off" stages

被引：14

作者：

Santos, Luiza Lara M.

dos Reis, Larissa Oliveira

Bassi, Lara

Guzella, Clara

Cardoso, Francisco ^{[2
]}

Reis, Cesar ^{[3
]}

Cortes Gama, Ana Cristina ^{[1
]}

机构：

[1] Univ Fed Minas Gerais, Fac Med, Dept Speech & Language Herapy, BR-30130100 Belo Horizonte, MG, Brazil

[2] Univ Fed Minas Gerais, Neurol Serv, BR-30130100 Belo Horizonte, MG, Brazil

[3] Letters UFMG Fac, Phonet Lab, BR-30130100 Belo Horizonte, MG, Brazil

来源：

ARQUIVOS DE NEURO-PSIQUIATRIA | 2010年 / 68卷 / 05期

关键词：

Parkinson's disease; voice; speech acoustics; hearing perception; L-DOPA; LEVODOPA; DYSFUNCTION; FREQUENCY; OFFSET; ONSET;

D O I：

10.1590/S0004-282X2010000500006

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

Objective: To evaluate the voice quality of patients with idiopathic Parkinson's disease, at the "on" and "off" moments of the disease. Method: Five individuals with Parkinson's disease and five of the control group were assessed. All of them underwent the recording of voice and speech. The acoustic parameters analyzed were: fundamental frequency, jitter, shimmer, harmonic noise proportion and index of tremor, besides performing the hearing-perceptual analysis by means of GRBASI scale. The findings were analyzed using statistics through t test and the level of significance adopted was p<0.05. Results: There was no difference in the acoustic parameters in the three analyzed groups. In the hearing-perceptual analysis, patients with idiopathic Parkinson's disease showed altered voice quality and the ones from the control group, neutral vocal quality. Conclusion: Patients with idiopathic Parkinson's disease present rough, breathy and unstable vocal quality in both stages. In the acoustic analysis, there are no differences in the studied parameters.

引用

页码：706 / 711

页数：6

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