Age&Aging:快去学广场舞——荟萃分析证明跳舞能明显改善老年认知功能!

2022-05-13 MedSci原创 MedSci原创

舞蹈可能改善整体认知功能和执行功能。

舞蹈是一种随着音乐有目的的有节奏的运动的身心活动。舞蹈可以刺激几种认知功能的神经可塑性,如学习和记忆以学习新的运动模式,注意力以遵循指令,执行功能以执行复杂的运动模式,以及社会认知以在社会互动中把运动与意义和情感表达联系起来。

最近的证据表明,大脑结构发生了有益的变化,如海马体容积增加,灰质和白质完整。舞蹈也加强了两个大脑半球之间的连接,运动、体感和认知脑区的神经激活。为了明确舞蹈对老年人的认知功能的影响,近期发表的文章给出了答案。

来自加拿大的研究人员对MEDLINE、EMBASE、CENTRAL和PsycInfo数据库进行了搜索,时间从开始到2020年8月。纳入标准为:(i)随机对照试验;(ii)老年人(年龄≥55岁);(iii)干预-舞蹈;(iv)结果-认知功能。认知领域用《精神障碍诊断统计手册》DSM-5神经认知框架进行分类。在RevMan5.3中进行了Meta分析,用GradePro进行了证据的确定性分析。

结果共回顾了3997条记录,纳入了11项研究(N = 1412名参与者)。7项研究只包括健康的老年人,4项研究包括有轻度认知障碍(MCI)的老年人。舞蹈干预的频率(1-3次/周)、时间(35-60分钟)、持续时间(3-12个月)和类型各不相同。结果发现在全脑认知功能的MMSE检查中,平均差异(MD)=1.58(95%CI=0.21-2.95)(中等确定性证据),学习和记忆的Wechsler记忆测试中,MD=3.02(95%CI=1.38-4.65;低确定性证据)。

在复杂注意力的Trail Making Test-A中,MD=3.07(95%CI=-0.81至6.95;高确定性证据),在执行功能的Trail Making Test-B中,MD=-4.12(95%CI=-21.28至13.03;中等确定性证据)。亚组分析并没有表明对患有MCI的老年人有持续的更大效果。

综上,舞蹈可能改善整体认知功能和执行功能。未来的研究需要确定最佳剂量,以及舞蹈是否比其他类型的体育活动和运动带来更大的认知益处。

 

参考文献:

Effects of dance on cognitive function in older adults: a systematic review and meta-analysis, Age and Ageing, Volume 50, Issue 4, July 2021, Pages 1084–1092, https://doi.org/10.1093/ageing/afaa270

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    2023-04-01 仁医06
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    2022-11-06 venlin
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    2022-05-13 ms6000000960504356

    老年患者多运动

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