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Pitfalls in using ML to predict cognitive function performance

delete2025-10-29
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OA
AI
G
Gianna Kuhles *
S
Sami Hamdan
S
Stefan Heim
S
Simon B. Eickhoff
K
Kaustubh R. Patil
J
Julia A. Camilleri
S
Susanne Weis
DOI:10.1038/s41598-025-24325-9delete
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摘要

摘要

En 中文
机器学习分析被广泛应用于预测认知能力,但在其实施和结果解释过程中存在需要考虑的陷阱。因此,本研究旨在通过一个预测执行功能(EF)表现受语调特征影响的案例,引起人们对混淆变量导致错误结论风险的重视。健康参与者(n=231)完成了言语任务和执行功能测试。我们从264个语调特征中选取66个变量来预测执行功能表现,同时控制年龄、性别和教育水平的混淆效应。结果显示,对于轨迹连接测试(Trail Making Test)的执行功能变量,预测性能明显达到了合理水平。然而,深入分析表明存在混淆变量泄漏的迹象,导致预测准确率被夸大,这是由于混淆变量与目标变量之间存在强相关性。这些发现强调了在机器学习流程中控制混淆变量的必要性,并提醒人们警惕机器学习预测中的潜在陷阱。

期刊

Scientific Reports 封面图
Scientific Reports
IF:
3.9
论文数:
28.2W
被引数:
83.5W

机构

M
Medical Faculty
学者数:
915
论文数: 400
被引数: 1
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