Acute Effects of High-Intensity Resistance Exercise on Recognition of Relational Memory, Lactate, and Serum and Plasma Brain-Derived Neurotrophic Factor.

IF 2.5 2区 医学 Q2 SPORT SCIENCES
Nicholas W Baumgartner, Michael D Belbis, Christopher Kargl, Michael J Holmes, Timothy P Gavin, Daniel M Hirai, Shih-Chun Kao
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引用次数: 0

Abstract

Abstract: Baumgartner, NW, Belbis, MD, Kargl, C, Holmes, MJ, Gavin, TP, Hirai, DM, and Kao, S-C. Acute effects of high-intensity resistance exercise on recognition of relational memory, lactate, and serum and plasma brain-derived neurotrophic factor. J Strength Cond Res 38(11): 1867-1878, 2024-Acute aerobic exercise improves memory, but this phenomenon is understudied in response to resistance exercise (RE) despite evidence that RE-induced increases in lactate and brain-derived neurotrophic factor (BDNF) play mechanistic roles in memory performance. To determine the acute effect of RE on lactate, BDNF, and their associations with object and relational memory, blood lactate, and serum and plasma BDNF were taken from 36 adults (average age 23.64 ± 3.89 years; 18 woman) before and immediately after 42 minutes of high-intensity RE and a rest condition on counterbalanced days. Subjects then immediately studied a series of paired objects and completed object and relational recognition tasks. Results revealed a condition by trial interaction, previously studied objects were remembered less accurately following RE ( d = 0.66) but recognition occurred faster ( d = 0.28), indicating a speed-accuracy tradeoff following RE. There was no effect of either intervention on relational recognition performance. Lactate ( d = 3.68) and serum BDNF ( d = 0.74) increased following RE, whereas there was no time-related change in lactate and serum BDNF following rest. However, changes in lactate and BDNF did not predict any measures of object ( rs < 0.25, p s > 0.16) or relation recognition ( rs < 0.28, p s > 0.13). Collectively, these findings suggest that acute high-intensity RE selectively improves the processing speed of recognizing objects at the cost of less accurate recognition of previously studied objects. Furthermore, changes in object and relational memory performance are unlikely driven by acute increases in lactate or BDNF following high-intensity RE.

高强度阻力运动对识别关系记忆、乳酸以及血清和血浆脑源性神经营养因子的急性影响
摘要:Baumgartner、NW、Belbis、MD、Kargl、C、Holmes、MJ、Gavin、TP、Hirai、DM 和 Kao、S-C。高强度阻力运动对关系记忆识别、乳酸以及血清和血浆脑源性神经营养因子的急性影响。J Strength Cond Res XX(X):000-000,2024-急性有氧运动能提高记忆力,但这一现象对阻力运动(RE)的反应研究不足,尽管有证据表明,RE 诱导的乳酸和脑源性神经营养因子(BDNF)的增加在记忆表现中发挥着机理作用。为了确定阻力运动对乳酸和脑源性神经营养因子的急性影响,以及它们与物体记忆和关系记忆之间的联系,我们对 36 名成年人(平均年龄为 23.64 ± 3.89 岁;18 名女性)进行了血乳酸、血清和血浆脑源性神经营养因子的测定。受试者随后立即研究了一系列配对对象,并完成了对象和关系识别任务。结果表明,在 RE 之后,先前学习过的对象的记忆准确度降低(d = 0.66),但识别速度加快(d = 0.28),这表明在 RE 之后,速度和准确度之间存在权衡。两种干预对关系识别成绩均无影响。乳酸(d = 3.68)和血清 BDNF(d = 0.74)在 RE 之后增加,而在休息之后乳酸和血清 BDNF 没有发生与时间相关的变化。然而,乳酸和 BDNF 的变化并不能预测任何物体(rs < 0.25,ps > 0.16)或关系识别(rs < 0.28,ps > 0.13)的测量结果。总之,这些研究结果表明,急性高强度 RE 选择性地提高了识别物体的处理速度,但其代价是降低了对先前研究过的物体的识别准确性。此外,物体和关系记忆表现的变化不太可能是由高强度 RE 后乳酸或 BDNF 的急性增加驱动的。
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来源期刊
CiteScore
6.70
自引率
9.40%
发文量
384
审稿时长
3 months
期刊介绍: The editorial mission of The Journal of Strength and Conditioning Research (JSCR) is to advance the knowledge about strength and conditioning through research. A unique aspect of this journal is that it includes recommendations for the practical use of research findings. While the journal name identifies strength and conditioning as separate entities, strength is considered a part of conditioning. This journal wishes to promote the publication of peer-reviewed manuscripts which add to our understanding of conditioning and sport through applied exercise science.
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