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báo cáo khoa học: " Modulation of walking speed by changing optic flow in persons with stroke"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Modulation of walking speed by changing optic flow in persons with stroke | Journal of NeuroEngineering and Rehabilitation BioMed Central Research Open Access Modulation of walking speed by changing optic flow in persons with stroke Anouk Lamontagne 1 Joyce Fung1 Bradford J McFadyen2 and Jocelyn Faubert3 Address 1School of Physical and Occupational Therapy McGill University and Jewish Rehabilitation Hospital Research Center CRIR Montreal Canada 2Department of Rehabilitation Laval University and Quebec Rehabilitation Research Institute CIRRIS Quebec Canada and 3Vision and Perception Laboratory School of Optometry University of Montreal Montreal Canada Email Anouk Lamontagne - anouk.lamontagne@mcgill.ca Joyce Fung - joyce.fung@mcgill.ca Bradford J McFadyen - brad.mcfadyen@rea.ulaval.ca Jocelyn Faubert - jocelyn.faubert@umontreal.ca Corresponding author Published 26 June 2007 Received 18 January 2007 Journal of NeuroEngineering and Rehabilitation 2007 4 22 doi 10.1186 1743-0003-4-22 Accepted 26 June 2007 This article is available from http www.jneuroengrehab.cOm content 4 1 22 2007 Lamontagne et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http creativecommons.org licenses by 2.0 which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background Walking speed which is often reduced after stroke can be influenced by the perception of optic flow OF speed. The present study aims to 1 compare the modulation of walking speed in response to OF speed changes between persons with stroke and healthy controls and 2 investigate whether virtual environments VE manipulating OF speed can be used to promote volitional changes in walking speed post stroke. Methods Twelve persons with stroke and 12 healthy individuals walked on a self-paced treadmill while viewing a virtual corridor in a helmet-mounted display. Two experiments were carried out on the same day. In experiment 1 the speed of an .