Department of Psychology, Stanford University, Stanford, United States.
Elife. 2021 Mar 4;10:e60185. doi: 10.7554/eLife.60185.
The Adolescent Brain Cognitive Development (ABCD) study is an unprecedented longitudinal neuroimaging sample that tracks the brain development of over 9-10 year olds through adolescence. At the core of this study are the three tasks that are completed repeatedly within the MRI scanner, one of which is the stop-signal task. In analyzing the available stopping experimental code and data, we identified a set of design issues that we believe significantly compromise its value. These issues include but are not limited to variable stimulus durations that violate basic assumptions of dominant stopping models, trials in which stimuli are incorrectly not presented, and faulty stop-signal delays. We present eight issues, show their effect on the existing ABCD data, suggest prospective solutions including task changes for future data collection and preliminary computational models, and suggest retrospective solutions for data users who wish to make the most of the existing data.
青少年大脑认知发展 (ABCD) 研究是一个前所未有的纵向神经影像样本，通过磁共振成像 (MRI) 扫描仪对 9 至 10 岁儿童的大脑发育进行追踪。该研究的核心是在 MRI 扫描仪中重复进行的三项任务，其中一项是停止信号任务。在分析现有的停止实验代码和数据时，我们发现了一组设计问题，我们认为这些问题严重影响了其价值。这些问题包括但不限于违反主导停止模型基本假设的可变刺激持续时间、刺激未正确呈现的试验以及错误的停止信号延迟。我们提出了八项问题，展示了它们对现有 ABCD 数据的影响，为未来的数据收集和初步计算模型提出了前瞻性解决方案，并为希望充分利用现有数据的现有数据用户提供了回顾性解决方案。
