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Báo cáo khoa hoc:" The sensory feedback mechanisms enabling couples to walk synchronously: An initial investigation"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: The sensory feedback mechanisms enabling couples to walk synchronously: An initial investigation | Journal of NeuroEngineering and Rehabilitation BioMed Central Short report Open Access The sensory feedback mechanisms enabling couples to walk synchronously An initial investigation Ari Z Zivotofsky1 and Jeffrey M Hausdorff 2 3 4 Address 1Gonda Brain Research Center Bar Ilan University Ramat Gan Israel 2Laboratory for Gait Neurodynamics Movement Disorders Unit Tel-Aviv Sourasky Medical Center Tel-Aviv Israel 3Department of Medicine Harvard Medical School Boston MA USA and 4Physical Therapy Department Sackler School of Medicine Tel Aviv Israel Email Ari Z Zivotofsky - zivotoa@mail.biu.ac.il Jeffrey M Hausdorff - jhausdor@bidmc.harvard.edu Corresponding author Published 8 August 2007 Received 22 November 2006 Journal of NeuroEngineering and Rehabilitation 2007 4 28 doi 10.1186 1743-0003-4-28 Accepted 8August 2007 This article is available from http www.jneuroengrehab.com content 4 1 28 2007 Zivotofsky and Hausdorff 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 The inattentive eye often will not notice it but synchronization among human walking partners is quite common. In this first investigation of this phenomenon we studied its frequency and the mechanisms that contribute to this form of entrainment. Specifically by modifying the available communication links between two walking partners we isolated the feedback mechanisms that enable couples to synchronize their stepping pattern when they walk side-by-side. Although subjects were unaware of the research aims and were not specifically asked to walk in synchrony we observed synchronized walking in almost 50 of the walking trials among couples who do not usually walk together. The strongest in-phase synchrony occurred in the presence of tactile feedback i.e. .