Does seeking the brawns impact the brain?: An investigation of muscularity-oriented disordered behaviors and cognitive function.
Does seeking the brawns impact the brain?: An investigation of muscularity-oriented disordered behaviors and cognitive function.
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DOI：
10.1016/j.bodyim.2022.06.010
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发表时间：
2022-09
期刊：
影响因子：
5.2
通讯作者：
Nagata, Jason M.
中科院分区：
文献类型：
--
作者：
Laymana, Harley M.;Keirns, Natalie G.;Hawkins, Misty A. W.;Nagata, Jason M.
在过去的30年里，理想的身体形象向更瘦、肌肉发达的身体转变，揭示了可能与认知功能有关的新的健康行为。本研究的目的是调查对肌肉发达的驱动和/或肌肉发达导向的障碍行为（MODBs）与认知之间的潜在关联。数据来自Add Health，这是一个具有全国代表性的纵向队列数据集。在成年期（18-26岁）评估了肌肉发达和MODB参与的驱动力。在7年后（24-32岁），通过即时单词回忆、延迟单词回忆和数字回忆来测量认知能力。分析了1976名参与者的可用数据。单因素ANCOVA显示，与调整协变量的其他体重目标组相比，那些具有肌肉发达驱动力的人的即时单词回忆（F（3，12，819）= 3.845，p = .009）和延迟单词回忆（F（3，12，807）= 5.933，p < .001）得分较低。个体MODB与认知结果之间的分层线性回归显示，法律的绩效增强物质使用（βs = 0.06-0.07，p <0.05）和锻炼（β = 0.06，p <0.05）与某些认知得分呈正相关。相反，举重（β =-0.06，p <0.05）和吃不同的食物（β =-0.05，p <0.05）与一些认知结果呈负相关。未来的研究应进行检查其他潜在的结果相关的驱动器肌肉发达和相关的MODBs。
Shifts in body-image ideals over the past 30 years towards leaner, muscular bodies have revealed new health behaviors that may be related to cognitive function. This study objective was to investigate prospective associations between a drive for muscularity and/or muscularity-oriented disordered behaviors (MODBs) with cognition. Data were drawn from Add Health, a nationally representative longitudinal cohort dataset. Drive for muscularity and MODB engagement were assessed in emerging adulthood (ages 18–26). Cognition was measured via immediate word recall, delayed-word recall, and number recall at 7-years later (ages 24–32). Analyzes were conducted in 1976 participants with available data. A one-way ANCOVA revealed that those with a drive for muscularity had lower immediate word recall (F(3, 12,819) = 3.845, p = .009) and delayed word recall (F(3, 12,807) = 5.933, p < .001) scores than other weight goal groups adjusting for covariates. Hierarchical linear regressions between individual MODBs and cognitive outcomes showed that legal performance-enhancing substance use (βs = 0.06–0.07, p < .05) and exercise (β = 0.06, p < .05) were positively associated with some cognition scores. Conversely, lifting weights (β = − 0.06, p < .05) and eating different foods than usual (β = − 0.05, p < .05) exhibited negative associations with some of the cognitive outcomes. Future research should be conducted to examine other potential outcomes related to the drive for muscularity and associated MODBs.
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