Resting heart rate variability as a possible marker of cognitive decline

IF 0.9 4区医学 Q4 REHABILITATION

Kinesiology Pub Date : 2020-04-30 DOI:10.26582/k.52.1.9

Bernhard Grässler, Anita Hökelmann, R. Cabral

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引用次数: 12

Abstract

Cognition is a major subject to be addressed nowadays due to the increasing number of cognitively affected people in most societies. Because of a lack of pharmaceutical therapies treating cognitive decline, its indicators should be diagnosed before it becomes prevalent. Scientific evidence indicates a relationship between cognition and the nervous system, especially its autonomic part. Heart rate variability (HRV) as an indicator of the autonomic nervous system functioning has been studied as a biological marker for the evaluation of cognitive performance. Therefore, HRV is a possible indicator of cognitive impairment. The aim was to provide a systematic literature review about the association between resting HRV and the cognitive performance. Five cognitive functions were analysed separately: executive functions, memory and learning, language abilities, visuospatial functioning, and processing speed. Furthermore, the global cognitive function evaluated with cognitive test batteries was considered too. An electronic database search was conducted with five databases. Three search fields comprised HRV, cognitive performance, and adult subjects. The final dataset consisted of 27 articles. Significant correlations in each cognitive function were found, except for processing speed, suggesting a positive association between resting HRV and cognitive performance. Mechanisms underlying this association between cardiovascular health and cognition are discussed. For the future, HRV could be used in diagnostics as an indicator of cognitive impairment before symptoms of dementia get apparent. With a timely diagnosis, preventative tools could be initiated at an early stage of dementia.

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静息心率变异性可能是认知能力下降的标志

由于在大多数社会中越来越多的人受到认知影响，认知是当今需要解决的一个主要问题。由于缺乏治疗认知能力下降的药物疗法，应在其流行之前对其指标进行诊断。科学证据表明认知与神经系统，尤其是自主神经系统之间存在关系。心率变异性（HRV）作为自主神经系统功能的指标，已被研究作为评估认知表现的生物学标志。因此，HRV可能是认知障碍的一个指标。目的是对静息HRV与认知表现之间的关系进行系统的文献综述。分别分析了五种认知功能：执行功能、记忆和学习、语言能力、视觉空间功能和处理速度。此外，还考虑了用认知测试电池评估的整体认知功能。对五个数据库进行了电子数据库搜索。三个搜索领域包括HRV、认知表现和成人受试者。最终数据集由27篇文章组成。除处理速度外，每种认知功能都存在显著相关性，这表明静息HRV与认知表现之间存在正相关。讨论了心血管健康与认知之间这种联系的机制。未来，HRV可以在痴呆症状出现之前作为认知障碍的指标用于诊断。有了及时的诊断，可以在痴呆症的早期阶段启动预防工具。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Kinesiology REHABILITATION-SPORT SCIENCES

CiteScore

1.90

自引率

8.30%

发文量

审稿时长

>12 weeks

期刊介绍： Kinesiology – International Journal of Fundamental and Applied Kinesiology (print ISSN 1331- 1441, online ISSN 1848-638X) publishes twice a year scientific papers and other written material from kinesiology (a scientific discipline which investigates art and science of human movement; in the meaning and scope close to the idiom “sport sciences”) and other adjacent human sciences focused on sport and exercise, primarily from anthropology (biological and cultural alike), medicine, sociology, psychology, natural sciences and mathematics applied to sport in its broadest sense, history, and others. Contributions of high scientific interest, including also results of theoretical analyses and their practical application in physical education, sport, physical recreation and kinesitherapy, are accepted for publication. The following sections define the scope of the journal: Sport and sports activities, Physical education, Recreation/leisure, Kinesiological anthropology, Training methods, Biology of sport and exercise, Sports medicine and physiology of sport, Biomechanics, History of sport and Book reviews with news.