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| 1 | 运动干预影响老年人认知功能的研究进展显示文摘正常老年人随着年龄的增长其躯体功能、认知功能有不同程度的减退。认知功能的衰退对老年人的日常生活产生一定程度的影响,尤其是老年期痴呆。适当的运动干预,有望改善老年人的神经退行性症状,延缓神经退行性症状的发生过程,有较好的应用前景〔1〕。本文就运动干预影响老年人认知功能的最新研究进展进行综述。1运动干预方面的因素运动能促进肢体血管扩张,促进血流动力学的改善,纠正神经电生理的异常,提高中枢神经系统的适应性改变。 | 刘梦姣 曾慧 | 2015 | 中国老年学杂志2015，35，7： | 11 |
| 2 | The effect of high and low exercise intensity periods on a simple memory recognition test显示文摘Purpose: The purpose of this study was to investigate the effect of variable intensities on a simple memory recognition task during exercise.Methods: Twenty active participants took part in initial testing, a familiarization trial and then four 60 min cycling interventions in a randomized order.Interventions consisted of no exercise(control), constant exercise at 90% ventilatory threshold(constant) and 2 trials that initially mimicked the constant trial, but then included periods of high(90% VO2peak) and low intensities(50% VO2peak). Cardiorespiratory measures and capillary blood samples were taken throughout. A short tablet-based cognitive task was completed prior to and during(50 and 55 min into exercise) each intervention.Results: The exercise conditions facilitated response time(p = 0.009), although the extent of this effect was not as strong in the variable exercise conditions(p = 0.011–0.089). High intensity exercise periods resulted in some cognitive regression back towards control trial performance.Elevations in cardiorespiratory measures and periods of hypocapnia could not explain changes in cognitive performance.Conclusion: Changes in cognitive performance with variations in exercise intensity are likely to have implications for sport and occupational settings. The timing of cognitive tests to exercise intensity changes as well as use of short cognitive assessments will be important for future work. | Ben Rattray Disa J.Smee | 2016 | Journal of Sport and Health Science2016，5，3： | 1 |
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