An absence of population-representative participant samples has limited research in healthy brain aging. We highlight examples of what can be gained by enrolling more diverse participant cohorts, and propose recommendations for specific reforms, both in terms of how researchers accomplish this goal and how institutions support and benchmark these efforts.

中文翻译：

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参与者的多样性对于推进大脑衰老研究是必要的

由于缺乏具有代表性的参与者样本，健康大脑衰老的研究受到限制。我们重点介绍了通过招募更多多样化的参与者群体可以获得什么的例子，并就研究人员如何实现这一目标以及机构如何支持和衡量这些努力提出具体改革建议。