tailieunhanh - Báo cáo khoa hoc:" The effects of attention capacity on dynamic balance control following concussion"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: The effects of attention capacity on dynamic balance control following concussion | Catena et al. Journal of NeuroEngineering and Rehabilitation 2011 8 8 http content 8 1 8 Hill JOURNAL OF NEUROENGINEERING NCR AND REHABILITATION RESEARCH Open Access The effects of attention capacity on dynamic balance control following concussion Robert D Catena Paul van Donkelaar Li-Shan Chou Abstract The purpose of this study was to examine how individuals modulate attention in a gait cognition dual task during a 4-week period following a concussion. Ten individuals suffering from a grade 2 concussion and 10 matched controls performed a single task of level walking a seated auditory Stroop task and a simultaneous auditory Stroop and walking task. Reaction time and accuracy were measured from the Stroop task. Dynamic balance control during gait was measured by the interaction displacement and velocity between the center of mass CoM and center of pressure CoP in the coronal and sagittal planes. Concussed individuals shifted from conservative control of balance shorter separation between CoM and CoP immediately after injury to normal balance control over 28 days post-injury. Immediately after injury correlations analyses using each subject on each testing day as a data point showed that there was a spectrum of deficient performance among concussed individuals on the first testing day. Within a testing session deficiencies in reaction time of processing involved in the Stroop task were commonly seen with reduce dynamic balance control. However the prioritization was not always towards the same task between trials. There were no correlations in the control group. Information provided in this study would enhance our understanding of the interaction between attention and gait following concussion. 1. Background Previous research has demonstrated the use of attention to modulate balance control and cognition when the two are used needed simultaneously 1-7 . The prevailing belief is that there is a tradeoff between tasks as the two tasks combined .

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