Ires Ghielen

34 Chapter 2 References 1. Prediger RD, Matheus FC, Schwarzbold ML, Lima MM and Vital MA. Anxiety in Parkinson’s disease: a critical review of experimental and clinical studies. Neuropharmacology 2012;62:115-24. 2. Leentjens AF, Dujardin K, Marsh L, Martinez-Martin P, Richard IH and Starkstein SE. Symptomatology and markers of anxiety disorders in Parkinson’s disease: a cross-sectional study. Mov Disord 2011;26:484-92. 3. Pontone GM, Williams JR, Anderson KE, Chase G, Goldstein SA, Grill S, et al. Prevalence of anxiety disorders and anxiety subtypes in patients with Parkinson’s disease. Mov Disord 2009;24:1333-8. 4. Richard IH. Anxiety disorders in Parkinson’s disease. Adv Neurol 2005;96:42-55. 5. Dissanayaka NN, Sellbach A, Matheson S, O’Sullivan JD, Silburn PA, Byrne GJ, et al. Anxiety disorders in Parkinson’s disease: prevalence and risk factors. Mov Disord 2010;25:838-45. 6. Siemers ER, Shekhar A, Quaid K and Dickson H. Anxiety and motor performance in Parkinson’s disease. Mov Disord 1993;8:501-6. 7. Vazquez A, Jimenez-Jimenez FJ, Garcia-Ruiz P and Garcia-Urra D. “Panic attacks” in Parkinson’s disease. A long-term complication of levodopa therapy. Acta Neurol Scand 1993;87:14-8. 8. Lauterbach EC, Freeman A and Vogel RL. Correlates of generalized anxiety and panic attacks in dystonia and Parkinson disease. Cogn Behav Neurol 2003;16:225-33. 9. Marinus J, Ramaker C, van Hilten JJ and Stiggelbout AM. Health related quality of life in Parkinson’s disease: a systematic review of disease specific instruments. J Neurol Neurosurg Psychiatry 2002;72:241-8. 10. Shulman LM, Taback RL, Rabinstein AA and Weiner WJ. Non-recognition of depression and other non-motor symptoms in Parkinson’s disease. Parkinsonism Relat Disord 2002;8:193-7. 11. Beck AT, Epstein N, Brown G and Steer RA. An inventory for measuring clinical anxiety: psychometric properties. J Consult Clin Psychol 1988;56:893-7. 12. Fydrich T, Dowdall BA and Chambless DL. Reliability and validity of the Beck Anxiety Inventory. Journal of Anxiety Disorders 1992;6:55-61. 13. Hewitt PL and Norton GR. The Beck Anxiety Inventory: a psychometric analysis. Psychological assessment 1993;5:408-12. 14. Leentjens AF, Dujardin K, Marsh L, Richard IH, Starkstein SE and Martinez- Martin P. Anxiety rating scales in Parkinson’s disease: a validation study of the Hamilton anxiety rating scale, the Beck anxiety inventory, and the hospital anxiety and depression scale. Mov Disord 2011;26:407-15.