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Article type: Research Article
Authors: Barbosa, Pedroa; b | Kaski, Diegoc; d | Castro, Patriciae | Lees, Andrew J.a | Warner, Thomas T.a; b; * | Djamshidian, Atbina; f; *
Affiliations: [a] Reta Lila Weston Institute of Neurological Studies, UCL Queen Square Institute of Neurology, University College London, London, UK | [b] The National Hospital for Neurology and Neurosurgery, Queen Square, London, UK | [c] Department of Clinical and Movement Neurosciences, University College London, London, UK | [d] Department of Neuro-Otology, Charing Cross Hospital, Imperial College London, London, UK | [e] Escuela de Fonoaudiologia, Facultad de Medicina, Clinica Alemana Universidad del Desarrollo, Santiago, Chile | [f] Department of Neurology, Innsbruck Medical University, Innsbruck, Austria
Correspondence: [*] Correspondence to: Dr. Atbin Djamshidian, Department of Neurology, Medical University of Innsbruck, Anichstrasse 35, 6020 Innsbruck, Austria. Tel.: +43 512 504 23850; Fax: +43 512 504 23852; [email protected]. and Prof. Thomas T. Warner, Reta Lila Weston Institute of Neurological Studies, Institute of Neurology, University College London, The National Hospital for Neurology and Neurosurgery, Queen Square, London, UK. 1 Wakefield Street, WC1N1PJ, London, UK. Tel.: +44 02076794246; [email protected].
Abstract: Fifteen individuals with Parkinson’s disease (PD) and impulsive compulsive behaviours (PD+ICB) were compared to 15 PD patients without ICBs (PD-ICB) and 15 healthy controls (HC) on a pro-saccades and an anti-saccades task to assess if ICBs are associated with distinct saccadic abnormalities. PD+ICB made shorter saccades than HC and more direction errors in the anti-saccades task than PD-ICB and HC, suggesting that patients with ICBs have greater difficulty in suppressing automatic saccades towards a given target. Saccadic assessment has the potential to evolve into a marker to guide therapeutic decisions in patients at risk of developing ICBs.
Keywords: Parkinson’s disease, impulse control disorders, impulsive compulsive behaviours, eye movements, saccades
DOI: 10.3233/JPD-181460
Journal: Journal of Parkinson's Disease, vol. 9, no. 3, pp. 625-630, 2019
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