急性弹力带运动对高龄老年人工作记忆的影响:来自fNIRS的证据  

Effects of Acute Elastic Band Exercise on Working Memory in the Oldest-Old:Evidence from fNIRS

作　　者：蔡治东[1,3] 舒展 王兴[3] 江婉婷 CAI Zhidong;SHU Zhan;WANG Xing;JIANG Wanting(Suzhou University of Science and Technology,Suzhou 215009,China;Suzhou Industrial Park Institute of Service Outsourcing,Suzhou 215000,China;Shanghai University of Sport,Shanghai 200438,China)

机构地区：[1]苏州科技大学,江苏苏州215009 [2]苏州工业园区服务外包职业学院,江苏苏州215000 [3]上海体育大学,上海200438

出　　处：《中国体育科技》2023年第9期46-53,共8页China Sport Science and Technology

基　　金：国家社会科学基金项目(22BTY076);江苏省社会科学基金项目(23TYB011)。

摘　　要：目的:观察高龄老年人在完成工作记忆任务时前额叶的激活模式,并结合行为学表现评价急性弹力带运动对其工作记忆的改善效果。方法:招募20位高龄老年人,采用功能性近红外光谱成像技术采集N-back任务和前额叶皮层的激活情况。使用重复测量方差分析比较实验条件、记忆负荷的主效应和交互效应以及简单效应。结果:运动条件的正确比例分数显著高于控制条件(P=0.01),正确率显著高于控制条件(P=0.02),7条通道的激活水平均表现为运动条件显著高于控制条件。结论:中低强度的急性弹力带运动可改善高龄老年人的工作记忆表现,对中、高记忆负荷影响具有选择性,可通过提高背外侧前额叶和额极区的激活水平改善工作记忆。Objective:To observe the activation pattern of prefrontal in the oldest-old when completing the working memory task,and to evaluate the effects of acute elastic band exercise on improving working memory combined with behavioral performance.Methods:Twenty the oldest-old were recruited,N-back task and the activation of the prefrontal cortex were collected using functional near-infrared spectroscopy.Repeated measurement ANOVA was used to compare the experimental conditions,and main effect,interactive effect,and simple effect of memory load.Results:The rate correct score in exercise condition was significantly higher than in control condition(P=0.01),and the correct rate was significantly higher than in control condition(P=0.02).The activation levels of all seven channels were significantly higher in exercise condition than in control condition.Conclusions:Moderate and low-intensity acute elastic band resistance exercise improves working memory of the oldest-old,and has a selective effect on medium and high memory loads.Working memory can be improved by increasing activation levels of dorsolateral prefrontal and frontopolar regions.

关 键 词：急性运动 执行功能 功能性近红外光谱 弹力带 脑激活 高龄老年人 

分 类 号：G812.48[文化科学—体育学]