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首页> 外文期刊>Journal of neural transmission >Cognitive effects of dance-movement intervention in a mixed group of seniors are not dependent on hippocampal atrophy
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Cognitive effects of dance-movement intervention in a mixed group of seniors are not dependent on hippocampal atrophy

机译：舞蹈运动干预在混合群体中的舞蹈运动的认知效果不依赖于海马萎缩

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Dance-movement intervention (DMI) offers multi-component stimulation of cognitive functions, and it may ameliorate cognitive deficits in the elderly. We investigated the effects of intensive DMI on the cognitive performances of healthy seniors (HS) and patients with mild cognitive impairment (MCI). In addition, we evaluated whether the baseline MRI hippocampus-to-cortex volume (HV:CTV) ratio (i.e., a marker of a typical AD-specific brain atrophy and of distribution of neurofibrillary tangles in the brain) has any impact on the DMI-induced cognitive changes. The research cohort consisted of 99 subjects who were randomly assigned (in a 1:1 ratio) to a DMI group or to a control (life-as-usual) group. The DMI group consisted of 49 subjects with an average age of 69.16 years (SD = 5.36), of which 34 were HS (69.4%) and 15 had MCI (30.6%). The control group consisted of 50 subjects aged 68.37 years (SD = 6.10), of which 31 were HC (62%) and 19 (38%) had MCI. The DMI group underwent a 6-month intervention, which consisted of 60 lessons supervised by a qualified instructor. Statistical analysis yielded a significant improvement of the figural fluency task as measured by the five-point test in the DMI group as compared to the control group [t (97) = 2.72; p = 0.008]. The baseline HV:CTV ratio was not associated with cognitive changes on that task or with changes in any cognitive domain's Z scores. We observed DMI-induced effect on the test evaluating executive functions across the spectrum of HS and MCI, which was not dependent on the magnitude of AD-related brain pathology.
机译：舞蹈运动干预（DMI）提供了对认知功能的多组分刺激，并且可能改善老年人的认知缺陷。我们调查了密集DMI对健康老年人（HS）的认知性能和轻度认知障碍（MCI）的患者的影响。此外，我们还评估了基线MRI海马对皮质体积（HV：CTV）比（即，典型的广告特异性脑萎缩和大脑中神经纤维纤维缠结的标记）对DMI产生了任何影响 - 引起的认知变化。研究队列由99个受试者组成，他们被随机分配给DMI组或控制（寿命和常规）组。 DMI组由49名受试者组成，平均年龄为69.16岁（SD = 5.36），其中34个是HS（69.4％）和15个有MCI（30.6％）。对照组由50岁68.37岁的受试者组成（SD = 6.10），其中31例为HC（62％），19（38％）具有MCI。 DMI集团经历了6个月的干预措施，由合格的教练监督60课。与对照组相比，通过DMI组的五点试验测量，统计学分析产生了对图的流畅性任务的显着改善[T（97）= 2.72; p = 0.008]。基线HV：CTV比率与该任务的认知变化没有与任何认知域的Z分数的变化相关联。我们观察到DMI诱导的对HS和MCI频谱的测试评估执行功能的影响，其不依赖于相关脑病理的程度。

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