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and Hearing Research, 38(6), 1232–1251. doi:10.1044/ jshr.3806.1232 Ramig, L. O., Sapir, S., Countryman, S., Pawlas, A. A., O’Brien, C., Hoehn, M., & Thompson, L. L. (2001). Intensive voice treatment (LSVT) for patients with Parkinson’s disease: A 2 year follow up. Journal of Neurology, Neurosurgery, and Psychiatry, 71(4), 493–498. doi:10.1136/jnnp.71.4.493 Ramig, L. O., Sapir, S., Fox, C., & Countryman, S. (2001). Changes in vocal loudness following intensive voice treatment (LSVT®) in individuals with Parkinson’s disease: A comparison with untreated patients and normal age-matched controls. Movement Disorders, 16(1), 79–83. doi:10.1002/1531-8257(200101)16:1<79::AID- MDS1013>3.0.CO;2-H Sanderson, K. B., Roditi, D., George, S. Z., Atchison, J. W., Banou, E., & Robinson, M. E. (2012). Investigating patient expectations and treatment outcome in a chronic low back pain population. Journal of Pain Research, 5, 15–22. doi:10.2147/JPR.S28636 Smeets, R. J., Beelen, S., Goossens, M. E., Schouten, E. G., Knottnerus, J. A., & Vlaeyen, J. W. (2008). Treatment expectancy and credibility are associated with the outcome of both physical and cognitive-behavioral treatment in chronic low back pain. Clinical Journal of Pain, 24(4), 305–315. doi:10.1097/AJP.0b013e318164aa75 Spielman, J. L., Borod, J. C., & Ramig, L. O. (2003). The effects of intensive voice treatment on facial expressiveness in Parkinson disease: Preliminary data. Cognitive and Behavioral Neurology: Official Journal of the Society for Behavioral and Cognitive Neurology, 16(3), 177–188. doi:10.1097/00146965–200309000–00005 Taylor, T. H. (2010). Ceiling effect. Encyclopedia of research design. Thousand Oaks, CA: Sage Publications. Trail, M., Fox, C., Ramig, L. O., Sapir, S., Howard, J., & Lai, E. C. (2005). Speech treatment for Parkinson’s disease. NeuroRehabilitation, 20(3), 205-221.

AlexandraCallinsisaspeechpathologistworkinginaBrisbane private practice. Annie Hill is a research fellow in the CRE TelehealthattheUniversityofQueensland,Brisbane.Deborah TheodorosisaProfessorofspeechpathologyattheUniversityof Queensland, Brisbane. Tung, Y. C., Cooke, M., & Moyle, W. (2013). A theoretical model of efficacy beliefs, functional status and quality of life for older people during rehabilitation: Testing causal relationships. Journal of Advanced Nursing, 69(9), 2008– 2019. doi:10.1111/jan.12063 van der Hoek, T. C., Bus, B. A. A., Matui, P., van der Marck, M. A., Esselink, R. A., & Tendolkar, I. (2011). Prevalence of depression in Parkinson’s disease: Effects of disease stage, motor subtype and gender. Journal of the Neurological Sciences, 310, 220–224. Walshe, M., Peach, R., & Miller, N. (2009). Dysarthria Impact Profile: Development of a scale to measure psychosocial effects. International Journal of Language & Communication Disorders, 44(5), 693–715. doi:10.1080/13682820802317536 Ward, E. C., Theodoros, D. G., Murdoch, B. E., & Silburn, P. (2000). Changes in maximum capacity tongue function following the Lee Silverman Voice Treatment Program. Journal of Medical Speech-Language Pathology, 8(4), 331–335. Wight, S., & Miller, N. (2015). Lee Silverman Voice Treatment for people with Parkinson’s: Audit of outcomes in a routine clinic. International Journal of Language and Communication Disorders, 50 (2), 215–225.

Correspondence to: Dr Annie Hill, School of Health and Rehabilitation Sciences

University of Queensland email: aj.hill@uq.edu.au

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JCPSLP Volume 18, Number 1 2016

www.speechpathologyaustralia.org.au