小年
(2025-09-29 18:34):
#paper doi:10.3389/fnsys.2024.1489919,Seungho Kim, Ji-hye Kim, et al. Effect of chewing hard material on boosting brain antioxidant levels and enhancing cognitive function(Frontiers in Systems Neuroscience, 2024, Volume 18)
这篇文章比较有意思就读了一下,研究招募 52 名健康大学生,探究咀嚼硬度对脑内抗氧化物质及认知的影响。受试者随机分两组,分别咀嚼软口香糖和中等硬度木块,通过 MEGA-PRESS 技术测量咀嚼前后大脑前扣带皮层(与记忆、认知控制密切相关脑区)的谷胱甘肽(GSH,大脑核心抗氧化剂)水平,用 K-RBANS 量表评估个体的认知功能水平。结果显示,木块咀嚼组 GSH 增幅显著高于口香糖组,且 GSH 升高与记忆功能呈正相关,口香糖组无明显变化。
研究证实咀嚼中等硬度材料可通过提升脑内 GSH 改善认知,也就是说平时多嚼一嚼硬一点的东西能改善记忆力。
文章局限性也很明显,样本数量少(52人),年龄和状态集中(都是健康的大学生),干预和观测时长短(5分钟咀嚼然后测试),认知评估维度较少(仅用 K-RBANS 量表进行整体认知测评等),所以结果仅供参考。
Frontiers in Systems Neuroscience,
2024-11-27.
DOI: 10.3389/fnsys.2024.1489919
Effect of chewing hard material on boosting brain antioxidant levels and enhancing cognitive function
翻译
Abstract:
IntroductionChewing has been reported to enhance cognitive function through the increase in cerebral blood flow. However, the mechanisms linking cerebral blood flow increase to metabolic changes in the brain affecting cognition remain unclear. We hypothesized that glutathione (GSH) plays a pivotal role in these mechanisms. Therefore, this study aimed to investigate changes in brain GSH levels following chewing and their association with cognitive function in healthy young adults.MethodsA total of 52 university students were recruited, and the Korean version of the Repeatable Battery for the Assessment of Neuropsychological Status was used for the neurocognitive evaluations. Brain GSH levels following chewing gum or wood blocks were measured using MEscher-GArwood Point RESolved Spectroscopy (MEGA-PRESS) sequence, and their relevance to neurocognitive evaluation results was investigated.ResultsChewing significantly increased brain GSH concentration, particularly in the wood-chewing group compared to the gum-chewing group, as observed in the anterior cingulate cortex. Furthermore, the rise in GSH concentration in the wood-chewing group was positively correlated with memory function.ConclusionChewing moderately hard material elevates brain antioxidant levels such as GSH, potentially influencing cognitive function.
翻译
Related Links: