{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,11]],"date-time":"2026-09-11T13:34:16Z","timestamp":1789133656970,"version":"build-2803163510"},"reference-count":28,"publisher":"FapUNIFESP (SciELO)","issue":"9","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arq. Neuro-Psiquiatr."],"published-print":{"date-parts":[[2012,9]]},"abstract":"<jats:p>OBJECTIVE: To compare voice and life quality of male patients with idiopathic Parkinson's disease, with individuals without disease (Control Group). METHODS: A cross-sectional study that evaluated the voice of individuals with Parkinson's disease, the group was composed of 27 subjects, aged from 39 to 79 years-old (average 59.96). The Control Group was matched on sex and age. Participants underwent voice recording. Perceptual evaluation was made using GRBASI scale, which considers G as the overall degree of dysphonia, R as roughness, B as breathiness, A as asthenia, S as strain and I as instability. The acoustic parameters analyzed were: fundamental frequency, jitter, shimmer, and harmonic to noise ratio (NHR). For vocal self-perception analysis, we used the Voice Related Quality of Life protocol. RESULTS: Fundamental frequency and jitter presented higher values in the Parkinson's group. NHR values were higher in the Control Group. Perceptual analysis showed a deviation ranging. The vocal disorder self-perception demonstrated a worse impact on quality of life. CONCLUSIONS: Individuals with Parkinson's disease have an altered voice quality and a negative impact on quality of life.<\/jats:p>","DOI":"10.1590\/s0004-282x2012000900005","type":"journal-article","created":{"date-parts":[[2012,9,15]],"date-time":"2012-09-15T11:58:21Z","timestamp":1347710301000},"page":"674-679","source":"Crossref","is-referenced-by-count":29,"title":["Idiopathic Parkinson's disease: vocal and quality of life analysis"],"prefix":"10.1590","volume":"70","author":[{"given":"Luiza Furtado e","family":"Silva","sequence":"first","affiliation":[{"name":"UFMG, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ana Cristina C\u00f4rtes","family":"Gama","sequence":"additional","affiliation":[{"name":"UFMG, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Francisco Eduardo Costa","family":"Cardoso","sequence":"additional","affiliation":[{"name":"UFMG"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C\u00e9sar Augusto 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