八段锦身心锻炼对老年人语言流畅性的影响
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摘要
采用语言流程性任务和近红外脑光谱研究八段锦身心锻炼对老年人认知和脑功能的影响。方法:29名老年被试参加实验,长期练习八段锦(实验组)14人,未练习过八段锦(对照组)15人,2组被试分别完成语言流畅性任务。采用近红外脑光谱成像系统记录被试大脑的血氧变化,分析被试在做语言流畅性任务时前额叶皮层的氧合血红蛋白浓度的变化及其与任务表现的关联。结果:与对照组相比,实验组语言流畅性任务的表现更好,在完成语言流畅性任务时双侧前额叶脑区氧合血红蛋白浓度增加更大,提示大脑额区激活更强。结论:八段锦身心锻炼对老年人的认知表现和脑功能有着积极影响,这一影响可通过提高语言任务表现和增强大脑前额叶脑区激活而实现。
Objective :speech fluency test(VFT) and near-infrared spectroscopy(NIRS) were used to investigate the effects of Baduanjin mind-body(BDM) exercise on the cognitive performance and brain function in elderly adults. Methods: A total of 29 healthy elderly people participated in this experiment, 14 subjects who practiced Baduanjin for a long time were assigned to the BDM group, and 15 subjects who did not practice Baduanjin were assigned to the control group. All subjects completed the verbal fluency test(VFT) respectively. We measured oxy-hemoglobin concentration(oxy-Hb) in the prefrontal area using NIRS during VFT, and investigated the relationship between oxy-Hb changes and task performance. Results: The behavioral data showed that the performance of VFT in the BDM group was better than the control group.NIRS data analysis showed that the increase of oxy-Hb in prefrontal lobe brain regions in BDM group was better than control group. Conclusions: Baduanjin exercise has a positive effect on cognitive performance and brain function of the elderly, which can be achieved by improving language task performance and activating prefrontal lobe.
Objective :speech fluency test(VFT) and near-infrared spectroscopy(NIRS) were used to investigate the effects of Baduanjin mind-body(BDM) exercise on the cognitive performance and brain function in elderly adults. Methods: A total of 29 healthy elderly people participated in this experiment, 14 subjects who practiced Baduanjin for a long time were assigned to the BDM group, and 15 subjects who did not practice Baduanjin were assigned to the control group. All subjects completed the verbal fluency test(VFT) respectively. We measured oxy-hemoglobin concentration(oxy-Hb) in the prefrontal area using NIRS during VFT, and investigated the relationship between oxy-Hb changes and task performance. Results: The behavioral data showed that the performance of VFT in the BDM group was better than the control group.NIRS data analysis showed that the increase of oxy-Hb in prefrontal lobe brain regions in BDM group was better than control group. Conclusions: Baduanjin exercise has a positive effect on cognitive performance and brain function of the elderly, which can be achieved by improving language task performance and activating prefrontal lobe.
引文
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[14] YANAGISAWA H, DAN I, Tsuzuki D, et al. Acute moderate exercise elicits increased dorsolateral prefrontal activation and improves cogni tive performance with Stroop test[J]. Neuroimage, 2010, 50(4):1702.
[15] CHEN T, YUE G H, TIAN Y, et al. Baduanjin mind-body intervention improves the executive control function[J]. Frontiers in Psychology,2017(7):2015.
[16] HERRMANN M J, LANGER J B M, JACOB C, et al. Reduced prefrontal oxygenation in alzheimer disease during verbal fluency tasks[J]. The American Journal of Geriatric Psychiatry, 2008, 16(2):125.
[17]RICHTER M M, HERRMANN M J, EHLIS A C, et al. Brain activation in elderly people with and without dementia:influences of gender and medication[J]. The World Journal of Biological Psychiatry, 2007, 8(1):7.
[18] MAKIZAKO H, DOI T, SHIMADA H, et al. Relationship between going outdoors daily and activation of the prefrontal cortex during verbal fluency tasks(VFTs)among older adults:a near-infrared spectroscopy study[J]. Archives of gerontology and geriatrics, 2013, 56(1):118.
[2]CHANG Y K, NIEN Y H, TSAI C L, et al. Physical activity and cognition in older adults:the potential of Tai Chi Chuan[J]. Journal of Aging&Physical Activity, 2010, 18(4):451.
[3] WEI G X, DONG H M, YANG Z, et al. Tai Chi Chuan optimizes the functional organization of the intrinsic human brain architecture in older adults[J]. Frontiers in Aging Neuroscience, 2014(6):54.
[4] ZHENG G, HUANG M, LI S, et al. Effect of baduanjin exercise on cogni tive function in older adults with mild cognitive impairment:study protocol for a randomised controlled trial[J]. BMJ Open, 2016, 6(4):10602.
[5]COLCOMBE S, KRAMER A F. Fitness effects on the cognitive function of older adults:a meta-analytic study[J]. Psychological Science, 2003, 14(2):125.
[6] PERNER J, LANG B. Development of theory of mind and executive control[J]. Trends in Cognitive Sciences, 1999, 3(9):337.
[7] SMITH E E. Storage and executive processes in the frontal lobes[J].Science, 1999, 283(5408):1657.
[8] RENDE B, RAMSBERGER G, MIYAKE A. Commonalities and differences in the working memory components underlying letter and category fluency tasks:a dual-task investigation[J]. Neuropsychology, 2002, 16(3):309.
[9]杨雅颉,张富昌,高晓彩,等.言语流畅性的特点及其与执行功能子成分关系的实验研究[J].浙江大学学报(理学版),2012,39(2):239.
[10] HERRMANN M J, EHLIS A C, FALLGATTER A J. Frontal activation during a verbal-fluency task as measured by near-infrared spectroscopy[J]. Brain Research Bulletin, 2003, 61(1):51.
[11]蒋长好.近红外光谱技术在运动脑功能研究中的应用[J].生物物理学报,2010,26(11):983.
[12]LAM L, TAM C, LUI V, et al. Modality of physical exercise and cognitive function in Hong Kong older chinese community[J]. International Journal of Geriatric Psychiatry, 2009, 24(1):48.
[13]LAM L C W, CHAU R C M, WONG B M L, et al. Interim follow-up of a randomized controlled trial comparing chinese style mind body(Tai Chi)and stretching exercises on cognitive function in subjects at risk of progressive cognitive decline[J]. Int J Geriatr Psychiatry, 2011, 26(7):733.
[14] YANAGISAWA H, DAN I, Tsuzuki D, et al. Acute moderate exercise elicits increased dorsolateral prefrontal activation and improves cogni tive performance with Stroop test[J]. Neuroimage, 2010, 50(4):1702.
[15] CHEN T, YUE G H, TIAN Y, et al. Baduanjin mind-body intervention improves the executive control function[J]. Frontiers in Psychology,2017(7):2015.
[16] HERRMANN M J, LANGER J B M, JACOB C, et al. Reduced prefrontal oxygenation in alzheimer disease during verbal fluency tasks[J]. The American Journal of Geriatric Psychiatry, 2008, 16(2):125.
[17]RICHTER M M, HERRMANN M J, EHLIS A C, et al. Brain activation in elderly people with and without dementia:influences of gender and medication[J]. The World Journal of Biological Psychiatry, 2007, 8(1):7.
[18] MAKIZAKO H, DOI T, SHIMADA H, et al. Relationship between going outdoors daily and activation of the prefrontal cortex during verbal fluency tasks(VFTs)among older adults:a near-infrared spectroscopy study[J]. Archives of gerontology and geriatrics, 2013, 56(1):118.