SANP Swiss Archives of Neurology, Psychiatry and Psychotherapy 2297-7007 2297-6981 EMH Schweizerischer Ärzteverlag AG Farnsburgerstrasse 8 CH-4132 Muttenz 03067 10.4414/sanp.2019.03067 Case report Behavioural syndromes associated with physiological disturbances and physical factors Dementia and other degenerative diseases of the nervous system Extrapyramidal and movement disorders Neuropsychology / behavior Une chorée tiqueuse Bally Julien F. julien.bally@hcuge.ch Geneva | SWITZERLAND 11 12 2019 170 06 0 0 Copyright: EMH Schweizerischer Ärzteverlag AG 2019 EMH Schweizerischer Ärzteverlag AG "Swiss Archives of Neurology, Psychiatry and Psychotherapy" is an open access publication of EMH published in accordance with the terms of the Creative Commons licence attribution - NonCommercial - NoDerivatives 4.0 International. You are free to share, copy and redistribute the material in any medium or format under the following terms: Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. NonCommercial — You may not use the material for commercial purposes. NoDerivatives — If you remix, transform, or build upon the material, you may not distribute the modified material. "Non-commercial" means not primarily intended for or directed towards commercial advantage or monetary compensation. The incorporation of publications in commercial products, the use of publications to advertise for commercial products or services and any other usage that directly or indirectly pursues commercial interests is subject to the express previous consent of the publishing house as part of a written agreement. Please send us your request in writing. Exact indication of the publication from which you would like to reproduce material and detailed information about its intended use help to facilitate and expedite request processing. <p>Un patient de 41 ans est suivi par un neurologue depuis de nombreuses ann&eacute;es pour une probable chor&eacute;e de Huntington. Son traitement &agrave; l&rsquo;admission consiste en halop&eacute;ridol et tiapridum. Un sympt&ocirc;me particulier est not&eacute; chez ce patient sous la forme de vocalisations explosives.</p>