Effects of speech therapy for transgender women: A systematic review

References

• Atal, B. S., & Hanauer, S. L. (1971). Speech analysis and synthesis by linear prediction of the speech wave. The Journal of the Acoustical Society of America, 50(2B), 637–655.
   PubMedGoogle Scholar
• Baken, R. J., & Orlikoff, R. F. (2000). Clinical measurement of speech and voice. Cengage Learning.
   Google Scholar
• Bralley, R. C., Bull, G. L., Gore, C. H., & Edgerton, M. T. (1978). Evaluation of vocal pitch in male transsexuals. Journal of Communication Disorders, 11(5), 443–449. https://doi.org/10.1016/0021-9924(78)90037-0
   PubMed Web of Science ®Google Scholar
• Burns, P. B., Rohrich, R. J., & Chung, K. C. (2011). The levels of evidence and their role in evidence-based medicine. Plastic and Reconstructive Surgery, 128(1), 305–310. https://doi.org/10.1097/PRS.0b013e318219c171
   PubMed Web of Science ®Google Scholar
• Carew, L., Dacakis, G., & Oates, J. (2007). The effectiveness of oral resonance therapy on the perception of femininity of voice in male-to-female transsexuals. Journal of Voice, 21(5), 591–603. https://doi.org/10.1016/j.jvoice.2006.05.005
   PubMed Web of Science ®Google Scholar
• Cartei, V., Cowles, H. W., & Reby, D. (2012). Spontaneous voice gender imitation abilities in adult speakers. PloS One, 7(2), e31353.
   PubMed Web of Science ®Google Scholar
• Coleman, R. O. (1971). Male and female voice quality and its relationship to vowel formant frequencies. Journal of Speech and Hearing Research, 14(3), 565–577. https://doi.org/10.1044/jshr.1403.565
   PubMedGoogle Scholar
• Coleman, R. O. (1983). Acoustic correlates of speaker sex identification: Implications for the transsexual voice. The Journal of Sex Research, 19(3), 293–295. https://doi.org/10.1080/00224498309551189
   Google Scholar
• Colton, R., & Casper, J. (1996). Understanding voice problems: A physiological perspective for diagnosis and treatment. Williams and Wilkins, Baltimore,
   Google Scholar
• Corthals, P. (2008). Fonetiek en psycholinguïstiek (Vol. Tweede, herziene uitgave: 2014-2015). ACCO.
   Google Scholar
• Dacakis, G. (2000). Long-term maintenance of fundamental frequency increases in male-to-female transsexuals. Journal of Voice, 14(4), 549–556. https://doi.org/10.1016/S0892-1997(00)80010-7
   PubMed Web of Science ®Google Scholar
• Dacakis, G., Davies, S., Oates, J. M., Douglas, J. M., & Johnston, J. R. (2013). Development and preliminary evaluation of the transsexual voice questionnaire for male-to-female transsexuals. Journal of Voice, 27(3), 312–320.
   PubMed Web of Science ®Google Scholar
• Dacakis, G., Oates, J., & Douglas, J. (2012). Beyond voice: Perceptions of gender in male-to-female transsexuals. Current Opinion in Otolaryngology & Head and Neck Surgery, 20(3), 165–170. https://doi.org/10.1097/MOO.0b013e3283530f85
   PubMed Web of Science ®Google Scholar
• Davies, S., & Goldberg, J. M. (2006). Clinical aspects of transgender speech feminization and masculinization. International Journal of Transgenderism, 9(3–4), 167–196.
   Google Scholar
• Davies, S., Papp, V. G., & Antoni, C. (2015). Voice and communication change for gender nonconforming individuals: Giving voice to the person inside. International Journal of Transgenderism, 16(3), 117–159.
   Web of Science ®Google Scholar
• De Bodt, M., Heylen, L., Mertens, F., Vanderwegen, J., & Van de Heyning, P. (2015). Stemstoornissen. Handboek voor de klinische praktijk (Zesde, Herziene Uitgave, Vol. 5). Maklu.
   Google Scholar
• De Bodt, M., Patteeuw, T., & Versele, A. (2015). Temporal variables in voice therapy. Journal of Voice, 29(5), 611–617.
   PubMed Web of Science ®Google Scholar
• Dejonckere, P. H., Bradley, P., Clemente, P., Cornut, G., Crevier-Buchman, L., Friedrich, G., Van De Heyning, P., Remacle, M., & Woisard, V. (2001). A basic protocol for functional assessment of voice pathology, especially for investigating the efficacy of (phonosurgical) treatments and evaluating new assessment techniques. European Archives of Oto-Rhino-Laryngology, 258(2), 77–82. https://doi.org/10.1007/s004050000299
   PubMed Web of Science ®Google Scholar
• Fairbanks, G. (1960). Voice and articulation drillbook (2nd ed.). Harper & Row.
   Google Scholar
• Fant, G. (1966). A note on vocal tract size factors and non-uniform F-pattern scalings. Speech Transmission Laboratory Quarterly Progress and Status Report, 1, 22–30.
   Google Scholar
• Fitch, J. L. (1990). Consistency of fundamental frequency and perturbation in repeated phonations of sustained vowels, reading, and connected speech. Journal of Speech and Hearing Disorders, 55(2), 360–363. https://doi.org/10.1044/jshd.5502.360
   PubMedGoogle Scholar
• Froeschels, E. (1952). Chewing method as therapy: A discussion with some philosophical conclusions. AMA Archives of Otolaryngology, 56(4), 427–434. https://doi.org/10.1001/archotol.1952.00710020449010
   PubMedGoogle Scholar
• Gallena, S. J. K., Stickels, B., & Stickels, E. (2018). Gender perception after raising vowel fundamental and formant frequencies: Considerations for oral resonance research. Journal of Voice, 32(5), 592–601. https://doi.org/10.1016/j.jvoice.2017.06.023
   PubMed Web of Science ®Google Scholar
• Gelfer, M. P., & Tice, R. M. (2013). Perceptual and acoustic outcomes of voice therapy for male-to-female transgender individuals immediately after therapy and 15 months later. Journal of Voice, 27(3), 335–347. https://doi.org/10.1016/j.jvoice.2012.07.009
   PubMed Web of Science ®Google Scholar
• Gelfer, M. P., & Van Dong, B. R. (2013). A preliminary study on the use of vocal function exercises to improve voice in male-to-female transgender clients. Journal of Voice, 27(3), 321–334. https://doi.org/10.1016/j.jvoice.2012.07.008
   PubMed Web of Science ®Google Scholar
• Gooren, L. (2005). Hormone treatment of the adult transsexual patient. Hormone Research in Paediatrics, 64(Suppl. 2), 31–36. https://doi.org/10.1159/000087751
   Google Scholar
• Günzburger, D. (1995). Acoustic and perceptual implications of the transsexual voice. Archives of Sexual Behavior, 24(3), 339–348.
   PubMed Web of Science ®Google Scholar
• Hancock, A. B., & Garabedian, L., M. (2013). Transgender voice and communication treatment: A retrospective chart review of 25 cases. International Journal of Language & Communication Disorders, 48(1), 54–65. https://doi.org/10.1111/j.1460-6984.2012.00185.x
   PubMed Web of Science ®Google Scholar
• Hancock, A. B., & Helenius, L. (2012). Adolescent male-to-female transgender voice and communication therapy. Journal of Communication Disorders, 45(5), 313–324. https://doi.org/10.1016/j.jcomdis.2012.06.008
   PubMed Web of Science ®Google Scholar
• Hancock, A. B., Krissinger, J., & Owen, K. (2011). Voice perceptions and quality of life of transgender people. Journal of Voice, 25(5), 553–558. https://doi.org/10.1016/j.jvoice.2010.07.013
   PubMed Web of Science ®Google Scholar
• Higgins, J. P., Thomas, J., Chandler, J., Cumpston, M., Li, T., Page, M. J., & Welch, V. A. (2019). Cochrane handbook for systematic reviews of interventions. John Wiley & Sons.
   Google Scholar
• Kalra, M. (1978). Voice therapy in the case of a transsexual. British Journal of Sexual Medicine, 5(40), 47–50.
   Google Scholar
• Kawitzky, D., & McAllister, T. (2020). The effect of formant biofeedback on the feminization of voice in transgender women. Journal of Voice, 34(1), 53–67. https://doi.org/10.1016/j.jvoice.2018.07.017
   PubMed Web of Science ®Google Scholar
• Kaye, J., Bortz, M. A., & Tuomi, S. K. (1993). Evaluation of the effectiveness of voice therapy with a male-to-female transsexual subject. Scandinavian Journal of Logopedics and Phoniatrics, 18(2–3), 105–109.
   Google Scholar
• Kayikci, M. E. K., Akan, S., Ciger, S., & Ozkan, S. (2012). Effects of Hawley retainers on consonants and formant frequencies of vowels. The Angle Orthodontist, 82(1), 14–21.
   PubMed Web of Science ®Google Scholar
• Kmet, L. M., Lee, R. C., Cook, L. S. (2004). Standard quality assessment criteria for evaluating primary research papers from a variety of fields. Edmonton: Alberta Heritage Foundation for Medical Research (AHFMR). AHFMR - HTA Initiative #13. 2004.
   Google Scholar
• Ladefoged, P. (1993). A course in phonetics. Harcourt Brace.
   Google Scholar
• Leung, Y., Oates, J., & Chan, S. P. (2018). Voice, articulation, and prosody contribute to listener perceptions of speaker gender: A systematic review and meta-analysis. Journal of Speech, Language, and Hearing Research, 61(2), 266–297. https://doi.org/10.1044/2017_JSLHR-S-17-0067
   PubMed Web of Science ®Google Scholar
• Leys, C., Ley, C., Klein, O., Bernard, P., & Licata, L. (2013). Detecting outliers: Do not use standard deviation around the mean, use absolute deviation around the median. Journal of Experimental Social Psychology, 49(4), 764–766. https://doi.org/10.1016/j.jesp.2013.03.013
   Web of Science ®Google Scholar
• Maryn, Y., Corthals, P., Van Cauwenberge, P., Roy, N., & De Bodt, M. (2010). Toward improved ecological validity in the acoustic measurement of overall voice quality: Combining continuous speech and sustained vowels. Journal of Voice, 24(5), 540–555. https://doi.org/10.1016/j.jvoice.2008.12.014
   PubMed Web of Science ®Google Scholar
• McNeill, E. J., Wilson, J. A., Clark, S., & Deakin, J. (2008). Perception of voice in the transgender client. Journal of Voice, 22(6), 727–733. https://doi.org/10.1016/j.jvoice.2006.12.010
   PubMed Web of Science ®Google Scholar
• Meerschman, I., Claeys, S., Bettens, K., Bruneel, L., D’haeseleer, E., & Van Lierde, K. (2019). Massed versus spaced practice in vocology: Effect of a short-term intensive voice therapy versus a long-term traditional voice therapy. Journal of Speech, Language, and Hearing Research, 62(3), 611–630.
   Google Scholar
• Meerschman, I., Van Lierde, K., Ketels, J., Coppieters, C., Claeys, S., & D’haeseleer, E. (2019). Effect of three semi‐occluded vocal tract therapy programmes on the phonation of patients with dysphonia: lip trill, water‐resistance therapy and straw phonation. International Journal of Language & Communication Disorders, 54(1), 50–61.
   PubMed Web of Science ®Google Scholar
• Meister, J., Kuhn, H., Shehata-Dieler, W., Hagen, R., & Kleinsasser, N. (2017). Perceptual analysis of the male-to-female transgender voice after glottoplasty-the telephone test. The Laryngoscope, 127(4), 875–881. https://doi.org/10.1002/lary.26110
   PubMed Web of Science ®Google Scholar
• Mészáros, K., Vitéz, L. C., Szabolcs, I., Góth, M., Kovács, L., Görömbei, Z., & Hacki, T. (2005). Efficacy of conservative voice treatment in male-to-female transsexuals. Folia Phoniatrica et Logopaedica, 57(2), 111–118.
   PubMed Web of Science ®Google Scholar
• Moher, D., Liberati, A., Tetzlaff, J., Altman, D. G., & Group, P. (2009). Preferred reporting items for systematic reviews and meta-analyses: The PRISMA statement. PLoS Med, 6(7), e1000097.
   PubMed Web of Science ®Google Scholar
• Moher, D., Shamseer, L., Clarke, M., Ghersi, D., Liberati, A., Petticrew, M., Shekelle, P., & Stewart, L. A. (2015). Preferred reporting items for systematic review and meta-analysis protocols (PRISMA-P) 2015 statement. Systematic Reviews, 4, 1. https://doi.org/10.1186/2046-4053-4-1
   PubMed Web of Science ®Google Scholar
• Mordaunt, M., Adler, R. K., Hirsch, S. (2006). Voice and communication therapy for the transgender/transsexual client: A comprehensive clinical guide. Plural Publishing.
   Google Scholar
• Mount, K. H., & Salmon, S. J. (1988). Changing the vocal characteristics of a postoperative transsexual patient: A longitudinal study. Journal of Communication Disorders, 21(3), 229–238.
   PubMed Web of Science ®Google Scholar
• Nolan, I. T., Morrison, S. D., Arowojolu, O., Crowe, C. S., Massie, J. P., Adler, R. K., Chaiet, S. R., & Francis, D. O. (2019). The role of voice therapy and phonosurgery in transgender vocal feminization. The Journal of Craniofacial Surgery, 30(5), 1368–1375. https://doi.org/10.1097/scs.0000000000005132
   PubMed Web of Science ®Google Scholar
• Nordström, P.-E. (1977). Female and infant vocal tracts simulated from male area functions. Journal of Phonetics, 5(1), 81–92. https://doi.org/10.1016/S0095-4470(19)31115-5
   Google Scholar
• Oates, J. (2006). Evidence based practice in voice therapy for transgender/transsexual clients. Voice and Communication Therapy for the Transgender/transsexual Client: A Comprehensive Clinical Guide. 45–68.
   Google Scholar
• Oates, J., & Dacakis, G. (1983). Speech pathology considerations in the management of transsexualism–A review. British Journal of Disorders of Communication, 18(3), 139–151.
   PubMedGoogle Scholar
• Ouzzani, M., Hammady, H., Fedorowicz, Z., & Elmagarmid, A. (2016). Rayyan-a web and mobile app for systematic reviews. Systematic Reviews, 5, 210. [PMC][] [27919275]
   PubMed Web of Science ®Google Scholar
• Pisanski, K., & Rendall, D. (2011). The prioritization of voice fundamental frequency or formants in listeners’ assessments of speaker size, masculinity, and attractiveness. The Journal of the Acoustical Society of America, 129(4), 2201–2212. https://doi.org/10.1121/1.3552866
   PubMed Web of Science ®Google Scholar
• Quinn, S., & Swain, N. (2018). Efficacy of intensive voice feminisation therapy in a transgender young offender. Journal of Communication Disorders, 72, 1–15. https://doi.org/10.1016/j.jcomdis.2018.02.001
   PubMed Web of Science ®Google Scholar
• Sackett, D. L. (1989). Rules of evidence and clinical recommendations on the use of antithrombotic agents. Chest, 95(2), 2S–4S. https://doi.org/10.1378/chest.95.2_Supplement.2S
   PubMed Web of Science ®Google Scholar
• Shriberg, L., & Kent, R. (2003). Consonants in clinical phonetics. Pearson Education Inc.
   Google Scholar
• Söderpalm, E., Larsson, A., & Almquist, S. (2004). Evaluation of a consecutive group of transsexual individuals referred for vocal intervention in the west of Sweden. Logopedics Phoniatrics Vocology, 29(1), 18–30. https://doi.org/10.1080/14015430310021618
   PubMedGoogle Scholar
• Stemple, J. (1984). Clinical voice pathology: Theory and management. Charles E. Merrill Publishing, Co.
   Google Scholar
• Timmermans, B. (2013). Klink Klaar. Uitspraak- en intonatiegids voor het Nederlands. Davidsfonds Uitgeverij.
   Google Scholar
• Titze, I. R. (1989). Physiologic and acoustic differences between male and female voices. The Journal of the Acoustical Society of America, 85(4), 1699–1707. https://doi.org/10.1121/1.397959
   PubMed Web of Science ®Google Scholar
• Van Borsel, J., De Cuypere, G., Rubens, R., & Destaerke, B. (2000). Voice problems in female‐to‐male transsexuals. International Journal of Language & Communication Disorders, 35(3), 427–442.
   PubMed Web of Science ®Google Scholar
• Verdolini Abbott, K. (2008). Lessac-Madsen resonant voice therapy. Clinician manual. Plural Publishing.
   Google Scholar
• Weirich, M., & Simpson, A. P. (2018). Gender identity is indexed and perceived in speech. PloS One, 13(12), e0209226.
   PubMed Web of Science ®Google Scholar
• Wu, K., & Childers, D. G. (1991). Gender recognition from speech. Part I: Coarse analysis. The Journal of the Acoustical Society of America, 90(4), 1828–1840. https://doi.org/10.1121/1.401663
   PubMed Web of Science ®Google Scholar