tailieunhanh - báo cáo khoa học: " Aging and selective sensorimotor strategies in the regulation of upright balance"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Aging and selective sensorimotor strategies in the regulation of upright balance | Journal of NeuroEngineering and Rehabilitation BioMed Central Research Open Access Aging and selective sensorimotor strategies in the regulation of upright balance Nicoleta Bugnariu t1 2 and Joyce Fungt2 3 Address 1School of Rehabilitation Sciences University of Ottawa 451 Smyth Road Room 3057 Ottawa Ontario K1H 8M5 Canada 2Jewish Rehabilitation Hospital CRIR Research Center Laval QC H7V 1R2 Canada and 3School of Physical and Occupational Therapy McGill University Montreal QC H3G 1Y5 Canada Email Nicoleta Bugnariu - Joyce Fung - Corresponding author fEqual contributors Published 20 June 2007 Received I February 2007 Journal of NeuroEngineering and Rehabilitation 2007 4 19 doi 1743-0003-4-19 Accepted 20 June 2007 This article is available from http content 4 I I9 2007 Bugnariu and Fung licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background The maintenance of upright equilibrium is essentially a sensorimotor integration task. The central nervous system CNS has to generate appropriate and complex motor responses based on the selective and rapid integration of sensory information from multiple sources. Since each sensory system has its own coordinate framework specific time delay and reliability sensory conflicts may arise and represent situations in which the CNS has to recalibrate the weight attributed to each particular sensory input. The resolution of sensory conflicts may represent a particular challenge for older adults given the age-related decline in the integrity of many postural regulating systems including musculoskeletal and sensory systems as well as neural processing and conduction of information. The effects of aging and

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