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首页> 外文期刊>Annals of epidemiology >A multistate model of cognitive dynamics in relation to resistance training: The contribution of baseline function
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A multistate model of cognitive dynamics in relation to resistance training: The contribution of baseline function

机译：与阻力训练有关的认知动力学的多状态模型：基线功能的贡献

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Purpose: We investigated: (1) the effect of different targeted exercise training on an individual's overall probability for cognitive improvement, maintenance, or decline; and (2) the simultaneous effect of targeted exercise training and baseline function on the dynamics of executive functions when a multistate transition model is used. Methods: Analyses are based on a 12-month randomized clinical trial including 155 community-dwelling women 65-75years of age who were randomly allocated to once-weekly resistance training (1x RT; n=54), twice-weekly resistance training (2x RT; n= 52), or twice-weekly balance and tone training (BAT; n= 49). The primary outcome measure was performance on the Stroop test, an executive cognitive test of selective attention and conflict resolution. Secondary outcomes of executive functions were set shifting and working memory. Results: Individuals in the 1x RT or 2x RT group demonstrated a significantly greater probability for improved performance on the Stroop Test (0.49; 95% confidence interval,0.41-0.57) compared with those in the BAT group (0.25; 95% confidence interval,0.25-0.40). Resistance training had significant effects on transitions in selective attention and conflict resolution. Conclusions: Resistance training is efficacious in improving a measure of selective attention and conflict resolution in older women, probably more so among those with greater baseline cognitive function.
机译：目的：我们调查了：（1）不同的有针对性的运动训练对个人认知改善，维持或衰退的总体可能性的影响; （2）使用多状态过渡模型时，有针对性的运动训练和基线功能对执行功能动力学的同时影响。方法：分析基于一项为期12个月的随机临床试验，其中包括155位65-75岁的社区居住妇女，她们被随机分配到每周一次的抵抗训练（1x RT; n = 54），每周两次的抵抗训练（2x RT; n = 52），或每周两次平衡与语气训练（BAT; n = 49）。主要结果指标是Stroop测验的表现，Stroop测验是选择性注意和解决冲突的行政认知测验。执行职能的次要结果是转移和工作记忆。结果：与BAT组（0.25; 95％置信区间）相比，1x RT或2x RT组的个体在Stroop测试（0.49; 95％置信区间，0.41-0.57）上表现出明显更高的改善机率。 0.25-0.40）。抵抗训练对选择性注意和解决冲突的过渡有重要影响。结论：抵抗训练对提高老年妇女的选择性注意和冲突解决方法有效，在基线认知功能较高的妇女中可能更有效。

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