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Parkinson’s Disease
Volume 2013, Article ID 608562, 8 pages
http://dx.doi.org/10.1155/2013/608562
Review Article

Reformulating Psychological Difficulties in People with Parkinson’s Disease: The Potential of a Social Relational Approach to Disablism

1Lancaster University, Lancaster LA1 4YT, UK
2Older Adult Psychological Therapies Service, Pennine Care NHS Trust, Ashton-under-Lyne OL6 7SR, UK
3Faculty of Health and Medicine, Lancaster University, Lancaster LA1 4YT, UK

Received 13 June 2013; Accepted 15 July 2013

Academic Editor: Daniel Truong

Copyright © 2013 Jane Simpson et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. J. S. A. M. Reijnders, U. Ehrt, W. E. J. Weber, D. Aarsland, and A. F. G. Leentjens, “A systematic review of prevalence studies of depression in Parkinson's disease,” Movement Disorders, vol. 23, no. 2, pp. 183–189, 2008. View at Publisher · View at Google Scholar · View at Scopus
  2. K. Walsh and G. Bennett, “Parkinson's disease and anxiety,” Postgraduate Medical Journal, vol. 77, no. 904, pp. 89–93, 2001. View at Publisher · View at Google Scholar · View at Scopus
  3. G. C. Pluck and R. G. Brown, “Apathy in Parkinson's disease,” Journal of Neurology, Neurosurgery & Psychiatry, vol. 73, no. 6, pp. 636–642, 2002. View at Publisher · View at Google Scholar · View at Scopus
  4. H. A. Hanagasi and M. Emre, “Treatment of behavioural symptoms and dementia in Parkinson's disease,” Fundamental and Clinical Pharmacology, vol. 19, no. 2, pp. 133–146, 2005. View at Publisher · View at Google Scholar · View at Scopus
  5. D. Weintraub, J. Koester, M. N. Potenza et al., “Impulse control disorders in Parkinson disease: a cross-sectional study of 3090 patients,” Archives of Neurology, vol. 67, no. 5, pp. 589–595, 2010. View at Publisher · View at Google Scholar · View at Scopus
  6. F. Schneider, A. Althaus, V. Backes, and R. Dodel, “Psychiatric symptoms in Parkinson's disease,” European Archives of Psychiatry and Clinical Neuroscience, vol. 258, no. 5, pp. 55–59, 2008. View at Publisher · View at Google Scholar · View at Scopus
  7. T. Witjas, E. Kaphan, J. P. Azulay et al., “Nonmotor fluctuations in Parkinson's disease: frequent and disabling,” Neurology, vol. 59, no. 3, pp. 408–413, 2002. View at Google Scholar · View at Scopus
  8. D. Aarsland, J. P. Larsen, N. G. Lim et al., “Range of neuropsychiatric disturbances in patients with Parkinson's disease,” Journal of Neurology, Neurosurgery & Psychiatry, vol. 67, no. 4, pp. 492–496, 1999. View at Google Scholar · View at Scopus
  9. A. Schrag, M. Jahanshahi, and N. P. Quinn, “How does Parkinson's disease affect quality of life? A comparison with quality of life in the general population,” Movement Disorders, vol. 15, pp. 1112–1118, 2001. View at Google Scholar
  10. A. Schrag, M. Jahanshahi, and N. Quinn, “What contributes to quality of life in patients with Parkinson's disease?” Journal of Neurology, Neurosurgery & Psychiatry, vol. 69, no. 3, pp. 308–312, 2000. View at Publisher · View at Google Scholar · View at Scopus
  11. R. Brown and M. Jahanshahi, “Depression in Parkinson's disease: a psychosocial viewpoint,” Advances in Neurology, vol. 65, pp. 61–84, 1995. View at Google Scholar · View at Scopus
  12. K. R. Chaudhuri and A. H. Schapira, “Non-motor symptoms of Parkinson's disease: dopaminergic pathophysiology and treatment,” The Lancet Neurology, vol. 8, no. 5, pp. 464–474, 2009. View at Publisher · View at Google Scholar · View at Scopus
  13. A. F. G. Leentjens, B. Scholtissen, F. W. Vreeling, and F. R. J. Verhey, “The serotonergic hypothesis for depression in Parkinson's disease: an experimental approach,” Neuropsychopharmacology, vol. 31, no. 5, pp. 1009–1015, 2006. View at Publisher · View at Google Scholar · View at Scopus
  14. D. Weintraub and D. J. Burn, “Parkinson's disease: the quintessential neuropsychiatric disorder,” Movement Disorders, vol. 26, no. 6, pp. 1022–1031, 2011. View at Publisher · View at Google Scholar · View at Scopus
  15. M. Delaney, J. Simpson, and I. Leroi, “Perceptions of cause and control of impulse control behaviours in people with Parkinson's disease,” British Journal of Health Psychology, vol. 17, no. 3, pp. 522–535, 2012. View at Publisher · View at Google Scholar
  16. D. Todd, J. Simpson, and C. Murray, “An interpretative phenomenological analysis of delusions in people with Parkinson's disease,” Disability and Rehabilitation, vol. 32, no. 15, pp. 1291–1299, 2010. View at Publisher · View at Google Scholar · View at Scopus
  17. F. J. R. Eccles, C. Murray, and J. Simpson, “Perceptions of cause and control in people with Parkinson's disease,” Disability and Rehabilitation, vol. 33, no. 15-16, pp. 1409–1420, 2011. View at Publisher · View at Google Scholar · View at Scopus
  18. L. D. Frazier, “Coping with disease-related stressors in Parkinson's disease,” The Gerontologist, vol. 40, no. 1, pp. 53–63, 2000. View at Google Scholar · View at Scopus
  19. D. de Ridder, K. Schreurs, and J. Bensing, “The relative benefits of being optimistic: optimism as a coping resource in multiple sclerosis and Parkinson's disease,” British Journal of Health Psychology, vol. 5, no. 2, pp. 141–155, 2000. View at Google Scholar · View at Scopus
  20. D. Goodley, “The psychology of disability,” in Routledge Handbook of Disability Studies, N. Watson, A. Roulstone, and C. Thomas, Eds., pp. 310–324, Routledge, London, UK, 2012. View at Google Scholar
  21. D. Reeve, “Towards a psychology of disability: the emotional effects of living in a disabling society,” in Disability and Psychology: Critical Introductions and Reflections, D. Goodley and R. Lawthom, Eds., pp. 94–107, Macmillan, Basingstoke, UK, 2006. View at Google Scholar
  22. J. Simpson, G. Lekwuwa, and T. Crawford, “Illness beliefs and psychological outcome in people with Parkinson's disease,” Chronic Illness, vol. 9, no. 2, pp. 165–176, 2013. View at Publisher · View at Google Scholar
  23. D. Evans and P. Norman, “Illness representations, coping and psychological adjustment to Parkinson's disease,” Psychology & Health, vol. 24, no. 10, pp. 1181–1196, 2009. View at Google Scholar · View at Scopus
  24. C. Thomas, Female Forms: Experiencing and Understanding Disability, Open University Press, Buckingham, UK, 1999.
  25. M. Oliver, Understanding Disability: From Theory to Practice, Macmillan, Basingstoke, UK, 2009.
  26. A. Rojo, M. Aguilar, M. T. Garolera, E. Cubo, I. Navas, and S. Quintana, “Depression in Parkinson's disease: clinical correlates and outcome,” Parkinsonism and Related Disorders, vol. 10, no. 1, pp. 23–28, 2003. View at Publisher · View at Google Scholar · View at Scopus
  27. M. Oliver, Understanding Disability: From Theory to Practice, Macmillan, Basingstoke, UK, 1996.
  28. C. Barnes, “Understanding the social model of disability: past, present and future,” in Routledge Handbook of Disability Studies, N. Watson, A. Roulstone, and C. Thomas, Eds., pp. 12–29, Routledge, London, UK, 2012. View at Google Scholar
  29. C. Thomas, Sociologies of Disability and Illness: Contested Ideas in Disability Studies and Medical Sociology, Macmillan, Basingstoke, UK, 2007.
  30. C. Thomas, “How is disability understood? An examination of sociological approaches,” Disability and Society, vol. 19, no. 6, pp. 569–583, 2004. View at Publisher · View at Google Scholar · View at Scopus
  31. D. Reeve, “Psycho-emotional dimensions of disability and the social model,” in Implementing the Social Model of Disability: Theory and Research, C. Barnes and G. Mercer, Eds., pp. 83–100, The Disability Press, Leeds, UK, 2004. View at Google Scholar
  32. D. Reeve, “Psycho-emotional disablism: the missing link?” in Routledge Handbook of Disability Studies, N. Watson, A. Roulstone, and C. Thomas, Eds., pp. 78–93, Routledge, London, UK, 2012. View at Google Scholar
  33. D. Reeve, “Psycho-emotional disablism in the lives of people experiencing mental distress,” in Distress or Disability? Proceedings of a Symposium Held at Lancaster University, J. Anderson, B. Sapey, and H. Spandler, Eds., pp. 24–29, Lancaster University: Centre for Disability Research (CeDR), Lancaster, UK, 2011. View at Google Scholar
  34. D. Goodley, “‘Learning difficulties’, the social model of disability and impairment: challenging epistemologies,” Disability and Society, vol. 16, no. 2, pp. 207–231, 2001. View at Publisher · View at Google Scholar · View at Scopus
  35. J. Gilliard, R. Means, A. Beattie, and G. Daker-White, “Dementia care in England and the social model of disability,” Dementia, vol. 4, no. 4, pp. 571–586, 2005. View at Publisher · View at Google Scholar
  36. T. Kitwood, Dementia Reconsidered, Open University Press, Berkshire, UK, 1997.
  37. P. Beresford, “Thinking about “mental health”: towards a social model,” Journal of Mental Health, vol. 11, no. 6, pp. 581–584, 2002. View at Publisher · View at Google Scholar · View at Scopus
  38. J. Mulvany, “Disability, impairment or illness? The relevance of the social model of disability to the study of mental disorder,” Sociology of Health & Illness, vol. 22, no. 5, pp. 582–601, 2000. View at Google Scholar · View at Scopus
  39. J. Ferrie, “The psycho-emotional impact of impairment effects: where chronic illness meets disability studies,” in Paper Presented at a Symposium Held at Lancaster University, Lancaster University: Centre for Disability Research (CeDR), Lancaster, UK, November 2011.
  40. C. Oldman, “Later life and the social model of disability: a comfortable partnership?” Ageing and Society, vol. 22, no. 6, pp. 791–806, 2002. View at Publisher · View at Google Scholar · View at Scopus
  41. N. Quackenbush, “Speaking of—and as—stigma: performativity and Parkinson's in the rhetoric of Michael J. Fox.,” Disability Studies Quarterly, vol. 31, no. 3, p. 12, 2011. View at Google Scholar
  42. C. E. Clarke, R. M. Zobkiw, and E. Gullaksen, “Quality of life and care in Parkinson's disease,” The British Journal of Clinical Practice, vol. 49, no. 6, pp. 288–293, 1995. View at Google Scholar · View at Scopus
  43. L. J. Findley, “The economic impact of Parkinson's disease,” Parkinsonism and Related Disorders, vol. 13, pp. S8–S12, 2007. View at Publisher · View at Google Scholar · View at Scopus
  44. K. K. Martikainen, T. H. Luukkaala, and R. J. Marttila, “Parkinson's disease and working capacity,” Movement Disorders, vol. 21, no. 12, pp. 2187–2191, 2006. View at Publisher · View at Google Scholar · View at Scopus
  45. L. M. Rubenstein, E. A. Chrischilles, and M. D. Voelker, “The impact of Parkinson's disease on health status, health expenditures, and productivity: estimates from the national medical expenditure survey,” PharmacoEconomics, vol. 12, no. 4, pp. 486–498, 1997. View at Google Scholar · View at Scopus
  46. P. Banks and M. Lawrence, “The disability discrimination act, a necessary, but not sufficient safeguard for people with progressive conditions in the workplace? The experiences of younger people with Parkinson's disease,” Disability and Rehabilitation, vol. 28, no. 1, pp. 13–24, 2006. View at Publisher · View at Google Scholar · View at Scopus
  47. A. Schrag and P. Banks, “Time of loss of employment in Parkinson's disease,” Movement Disorders, vol. 21, no. 11, pp. 1839–1843, 2006. View at Publisher · View at Google Scholar · View at Scopus
  48. S. M. Calne, S. C. Lidstone, and A. Kumar, “Psychosocial issues in young-onset Parkinson's disease: current research and challenges,” Parkinsonism & Related Disorders, vol. 14, no. 2, pp. 143–150, 2008. View at Publisher · View at Google Scholar · View at Scopus
  49. T. A. Zesiewicz, A. Patel-Larson, R. A. Hauser, and K. L. Sullivan, “Social security disability insurance (SSDI) in Parkinson's disease,” Disability and Rehabilitation, vol. 29, no. 24, pp. 1934–1936, 2007. View at Publisher · View at Google Scholar · View at Scopus
  50. G. Waddell and A. K. Burton, Is Work Good for Your Health and Well-Being?The Stationery Office, Norwich, UK, 2006.
  51. J. Benharoch and T. Wiseman, “Participation in occupations: some experiences of people with Parkinson's disease,” British Journal of Occupational Therapy, vol. 67, no. 9, pp. 380–387, 2004. View at Google Scholar · View at Scopus
  52. A. Schrag, A. Hovris, D. Morley, N. Quinn, and M. Jahanshahi, “Young- versus older-onset Parkinson's disease: impact of disease and psychosocial consequences,” Movement Disorders, vol. 18, no. 11, pp. 1250–1256, 2003. View at Publisher · View at Google Scholar · View at Scopus
  53. E. Goffman, Stigma: Notes on the Management of Spoiled Identity, Simon & Schuster, New York, NY, USA, 1963.
  54. B. G. Link and J. C. Phelan, “Conceptualizing stigma,” Annual Review of Sociology, vol. 27, pp. 363–385, 2001. View at Google Scholar · View at Scopus
  55. V. Peto, C. Jenkinson, R. Fitzpatrick, and R. Greenhall, “The development and validation of a short measure of functioning and well being for individuals with Parkinson's disease,” Quality of Life Research, vol. 4, no. 3, pp. 241–248, 1995. View at Publisher · View at Google Scholar · View at Scopus
  56. S. Chapuis, L. Ouchchane, O. Metz, L. Gerbaud, and F. Durif, “Impact of the motor complications of Parkinson's disease on the quality of life,” Movement Disorders, vol. 20, no. 2, pp. 224–230, 2005. View at Publisher · View at Google Scholar · View at Scopus
  57. T. Dubayova, I. Nagyova, E. Havlikova et al., “Neuroticism and extraversion in association with quality of life in patients with Parkinson's disease,” Quality of Life Research, vol. 18, no. 1, pp. 33–42, 2009. View at Publisher · View at Google Scholar · View at Scopus
  58. N. Klepac, S. Pikija, T. Kraljić et al., “Association of rural life setting and poorer quality of life in Parkinson's disease patients: a cross-sectional study in Croatia,” European Journal of Neurology, vol. 14, no. 2, pp. 194–198, 2007. View at Publisher · View at Google Scholar · View at Scopus
  59. A. Schrag, M. Jahanshahi, and N. P. Quinn, “What contributes to depression in Parkinson's disease?” Psychological Medicine, vol. 31, no. 1, pp. 65–73, 2001. View at Publisher · View at Google Scholar · View at Scopus
  60. S. C. Burgener and B. Berger, “Measuring perceived stigma in persons with progressive neurological disease: Alzheimer's dementia and Parkinson's disease,” Dementia, vol. 7, no. 1, pp. 31–53, 2008. View at Publisher · View at Google Scholar · View at Scopus
  61. Parkinson's UK, “Press release: people with Parkinson's subject to “intolerable” discrimination and prejudice,” 2013, http://forum.parkinsons.org.uk/about_us/media_centre/press_release_paw_2013.aspx.
  62. N. Bramley and V. Eatough, “The experience of living with Parkinson's disease: an interpretative phenomenological analysis case study,” Psychology and Health, vol. 20, no. 2, pp. 223–235, 2005. View at Publisher · View at Google Scholar · View at Scopus
  63. M. Caap-Ahlgren, L. Lannerheim, and O. Dehlin, “Older Swedish women's experiences of living with symptoms related to Parkinson's disease,” Journal of Advanced Nursing, vol. 39, no. 1, pp. 87–95, 2002. View at Publisher · View at Google Scholar · View at Scopus
  64. M. Oliver, The Politics of Disablement, Macmillan, Basingstoke, UK, 1992.
  65. European Parkinson's Disease Association (EPDA), “Perceptions of Parkinson's disease. Survey executive summary,” 2009, http://www.oursocialmedia.com/wp-content/uploads/parkinsons-survey-executive-summary.pdf.
  66. S. Moore and S. Knowles, “Beliefs and knowledge about Parkinson's disease,” E-Journal of Applied Psychology, vol. 2, no. 1, pp. 15–21, 2006. View at Publisher · View at Google Scholar
  67. M. Jahanshahi, “The psychosocial impact of Parkinson's disease and its clinical management,” in Neurological Rehabilitation of Parkinson's Diseae, D. Playford, Ed., pp. 25–47, Martin Dunitz, London, UK, 2003. View at Google Scholar
  68. G. Joachim and S. Acorn, “Stigma of visible and invisible chronic conditions,” Journal of Advanced Nursing, vol. 32, no. 1, pp. 243–248, 2000. View at Google Scholar · View at Scopus
  69. L. S. Rintamaki, W. P. Witt, F. M. Weaver, R. S. Malis, D. Breslow, and T. Simuni, “The experience of stigma among people living with Parkinson's disease,” Movement Disorders, vol. 21, pp. 135–136, 2006. View at Google Scholar
  70. A. R. Hemmesch, The stigmatizing effects of facial masking and abnormal bodily movement on older adult's first impressions of individuals with Parkinson's disease [Ph.D. thesis], Brandeis University, Waltham, Mass, USA, 2011.
  71. M. D. Hyman, “Sociopsychological obstacles to L-Dopa therapy that may limit effectiveness in Parkinsonism,” Journal of the American Geriatrics Society, vol. 20, no. 5, pp. 200–208, 1972. View at Google Scholar · View at Scopus
  72. E. Singer, “Premature social aging: the social psychological consequences of a chronic illness,” Social Science and Medicine, vol. 8, no. 3, pp. 143–151, 1974. View at Google Scholar · View at Scopus
  73. A. J. C. Cuddy, M. I. Norton, and S. T. Fiske, “This old stereotype: the pervasiveness and persistence of the elderly stereotype,” Journal of Social Issues, vol. 61, no. 2, pp. 267–285, 2005. View at Publisher · View at Google Scholar · View at Scopus
  74. L. Tickle-Degnen and K. D. Lyons, “Practitioners' impressions of patients with Parkinson's disease: the social ecology of the expressive mask,” Social Science and Medicine, vol. 58, no. 3, pp. 603–614, 2004. View at Publisher · View at Google Scholar · View at Scopus
  75. A. Jaywant and M. D. Pell, “Listener impressions of speakers with Parkinson's disease,” Journal of the International Neuropsychological Society, vol. 16, no. 1, pp. 49–57, 2010. View at Publisher · View at Google Scholar · View at Scopus
  76. A. R. Hemmesch, L. Tickle-Degnen, and L. A. Zebrowitz, “The influence of facial masking and sex on older adults' impressions of individuals with Parkinson's disease,” Psychology and Aging, vol. 24, no. 3, pp. 542–549, 2009. View at Publisher · View at Google Scholar · View at Scopus
  77. K. D. Lyons, L. Tickle-Degnen, A. Henry, and E. Cohn, “Impressions of personality in Parkinson's disease: can rehabilitation practitioners see beyond the symptoms?” Rehabilitation Psychology, vol. 49, no. 4, pp. 328–333, 2004. View at Publisher · View at Google Scholar · View at Scopus
  78. L. Tickle-Degnen, L. A. Zebrowitz, and H.-I. Ma, “Culture, gender and health care stigma: practitioners' response to facial masking experienced by people with Parkinson's disease,” Social Science and Medicine, vol. 73, no. 1, pp. 95–102, 2011. View at Publisher · View at Google Scholar · View at Scopus
  79. A. McKinlay, R. C. Grace, J. C. Dalrymple-Alford, T. J. Anderson, J. Fink, and D. Roger, “Neuropsychiatric problems in Parkinson's disease: comparisons between self and caregiver report,” Aging and Mental Health, vol. 12, no. 5, pp. 647–653, 2008. View at Publisher · View at Google Scholar · View at Scopus
  80. K. Paterson, “It's about time! Understanding the experiences of speech impairment,” in Routledge Handbook of Disability Studies, N. Watson, A. Roulstone, and C. Thomas, Eds., pp. 165–177, Routledge, London, UK, 2012. View at Google Scholar
  81. G. Nijhof, “Parkinson's disease and a problem of shame in public appearance,” Sociology of Health & Illness, vol. 17, pp. 193–205, 1995. View at Google Scholar
  82. J. J. Caspermeyer, E. J. Sylvester, J. F. Drazkowski, G. L. Watson, and J. I. Sirven, “Evaluation of stigmatizing language and medical errors in neurology coverage by US newspapers,” Mayo Clinic Proceedings, vol. 81, no. 3, pp. 300–306, 2006. View at Publisher · View at Google Scholar · View at Scopus
  83. V. A. Earnshaw and D. M. Quinn, “The impact of stigma in healthcare on people living with chronic illnesses,” Journal of Health Psychology, vol. 17, no. 2, pp. 157–168, 2012. View at Publisher · View at Google Scholar · View at Scopus
  84. W. H. van Brakel, “Measuring health-related stigma—a literature review,” Psychology, Health & Medicine, vol. 11, no. 3, pp. 307–334, 2006. View at Publisher · View at Google Scholar · View at Scopus
  85. M. Menza, R. D. Dobkin, and H. Marin, “Treatment of depression in Parkinson's disease,” Current Psychiatry Reports, vol. 8, no. 3, pp. 234–240, 2006. View at Publisher · View at Google Scholar · View at Scopus
  86. J. Posen, O. Moore, D. S. Tassa, K. Ginzburg, M. Drory, and N. Giladi, “Young women with PD: a group work experience,” Social Work in Health Care, vol. 32, no. 1, pp. 77–91, 2000. View at Publisher · View at Google Scholar · View at Scopus
  87. K. Charmaz, “Loss of self: a fundamental form of suffering in the chronically ill,” Sociology of Health & Illness, vol. 5, no. 2, pp. 168–195, 1983. View at Google Scholar · View at Scopus
  88. A. Haahr, M. Kirkevold, E. O. C. Hall, and K. Østergaard, “Living with advanced Parkinson's disease: a constant struggle with unpredictability,” Journal of Advanced Nursing, vol. 67, no. 2, pp. 408–417, 2011. View at Publisher · View at Google Scholar · View at Scopus
  89. E. Wressle, C. Engstrand, and A.-K. Granérus, “Living with Parkinson's disease: elderly patients' and relatives' perspective on daily living,” Australian Occupational Therapy Journal, vol. 54, no. 2, pp. 131–139, 2007. View at Publisher · View at Google Scholar · View at Scopus
  90. G. S. Charlton and C. J. Barrow, “Coping and self-help group membership in Parkinson's disease: an exploratory qualitative study,” Health and Social Care in the Community, vol. 10, no. 6, pp. 472–478, 2002. View at Publisher · View at Google Scholar · View at Scopus
  91. L. Fitzpatrick, J. Simpson, and A. Smith, “A qualitative analysis of mindfulness-based cognitive therapy (MBCT) in Parkinson's disease,” Psychology and Psychotherapy, vol. 83, no. 2, pp. 179–192, 2010. View at Publisher · View at Google Scholar · View at Scopus
  92. M. Holloway, “Living with chronic illness: the example of Parkinson's disease,” in Social Work and Disadvantage: Addressing the Roots of Stigma through Association, P. Burke and J. Parker, Eds., pp. 130–145, Jessica Kingsley, London, UK, 2007. View at Google Scholar
  93. C. S. Hurt, J. Weinman, R. Lee, and R. G. Brown, “The relationship of depression and disease stage to patient perceptions of Parkinson's disease,” Journal of Health Psychology, vol. 17, no. 7, pp. 1076–1088, 2012. View at Publisher · View at Google Scholar
  94. K. Oehlberg, F. K. Barg, G. K. Brown, D. Taraborelli, M. B. Stern, and D. Weintraub, “Attitudes regarding the etiology and treatment of depression in Parkinson's disease: a qualitative study,” Journal of Geriatric Psychiatry and Neurology, vol. 21, no. 2, pp. 123–132, 2008. View at Publisher · View at Google Scholar · View at Scopus
  95. P. Martinez-Martin, C. Rodriguez-Blazquez, M. M. Kurtis, and K. R. Chaudhuri, “The impact of non-motor symptoms on health-related quality of life of patients with Parkinson's disease,” Movement Disorders, vol. 26, no. 3, pp. 399–406, 2011. View at Publisher · View at Google Scholar · View at Scopus