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http://hdl.handle.net/10773/7065
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DC Field | Value | Language |
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dc.contributor.author | Lã, FMB | pt |
dc.contributor.author | Sundberg, J. | pt |
dc.contributor.author | Howard, D.M. | pt |
dc.contributor.author | Sá-Coutro, P. | pt |
dc.contributor.author | Freitas, A. | pt |
dc.date.accessioned | 2012-02-29T11:54:40Z | - |
dc.date.issued | 2012-12 | - |
dc.identifier.issn | 1558-9102 | pt |
dc.identifier.uri | http://hdl.handle.net/10773/7065 | - |
dc.description.abstract | Purpose: Difficulties with intonation and vibrato control during the menstrual cycle have been reported by singers; however, this phenomenon has not yet been systematically investigated. Method: A double-blind randomized placebo-controlled trial assessing effects of the menstrual cycle and use of a combined oral contraceptive pill (OCP) on pitch control in singing is presented. Audio-electrolaryngograph recordings were made and blood samples were taken from 9 singers in each of the 3 phases of the menstrual cycle both under the placebo and the OCP conditions for a total of 6 months. Participants sang an exercise consisting of an ascending octave followed by a descending major triad, starting on pitches F4 and B4. Pitch control was assessed in terms of the octave’s deviations from pure intonation and of the vibrato rate and extent. Results: Significant differences were found between the 3 phases of the cycle regarding octave size only for pitch F5 during OCP use. Significant vibrato rate differences between placebo and OCP conditions were found only for pitch F5. Conclusion: OCP use may have an effect on pitch control in singers. Possible explanations point to a complex interaction between hormonal milieu and pitch control, enhancing the need for longitudinal studies. | pt |
dc.language.iso | eng | pt |
dc.publisher | American Speech-Language-Hearing Association | pt |
dc.rights | restrictedAccess | por |
dc.subject | Intonation | pt |
dc.subject | Vibrato rate | pt |
dc.subject | Vibrato extent | pt |
dc.subject | Menstrual cycle | pt |
dc.subject | Oral contraceptive pill | pt |
dc.title | Effects of the Menstrual Cycle and Oral Contraception on Singers' Pitch Control | pt |
dc.type | article | pt |
dc.peerreviewed | yes | pt |
ua.distribution | international | pt |
degois.publication.firstPage | 247 | pt |
degois.publication.issue | 1 | pt |
degois.publication.lastPage | 261 | pt |
degois.publication.title | Journal of Speech, Language, and Hearing Research | pt |
degois.publication.volume | 55 | pt |
dc.date.embargo | 10000-01-01 | - |
dc.identifier.doi | 10.1044/1092-4388(2011/10-0348) | * |
Appears in Collections: | INETmd - Artigos |
Files in This Item:
File | Description | Size | Format | |
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Lã_et_al_2012_JSLHR.pdf | Documento principal | 593.84 kB | Adobe PDF |
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