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A comparison of immediately effect of high frequency oral oscillation procedure with voiced tongue vibration technique in individuals with no vocals complaints

Grant number: 13/13950-7
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): November 01, 2013
Effective date (End): October 31, 2014
Field of knowledge:Health Sciences - Speech Therapy
Principal Investigator:Kelly Cristina Alves Silverio
Grantee:Nayara de Oliveira Souza
Host Institution: Faculdade de Odontologia de Bauru (FOB). Universidade de São Paulo (USP). Bauru , SP, Brazil


Objective: Accomplish the immediately effects of high frequency oral oscillation created by the Flutter VRP1® on vocal quality and to compare the effects with the voiced tongue vibration technique in normal individuals with no vocal complaints. Methods: Sixty subjects, female and male with ages varying from 18 to 45 years will be study. After sign off the documentations the subjects are going to respond questions about voice self-assessment, vocals and laryngeal symptoms, musculo-skeletal pain; Will be submitted to a vocal sample with vocal emission of /a/, counting numbers and spontaneous speech to further perceptual auditory analysis. Then, participants will be separated in two different groups; the first one will do voiced tongue vibration technique during 3 minutes; the second one will do high frequency oral oscillation procedure during 3 minutes. After assorting the technique, the same procedures of vocal sample will be repeated an a self-assessment questionnaire that will investigate the effects of voice and laryngeal sensations, articulation and breathing of those techniques. The datas will be analyzed by parametric tests, to compare datas before and after the procedure of voiced tongue vibration technique and high frequency oral oscilattion, as well to compare the groups.

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