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An eye-tracking-based Stroop test: an efficient method for evaluating frontal lobe function
Sho Yamamoto1,2, Shuko Takeda2,3, Sho Miki1
1Department of Geriatric and General Medicine, Graduate School of Medicine, Osaka University, Osaka, Japan.
Introduction:
Assessing attention and frontal lobe function is essential for diagnosing dementia. The Stroop test is widely used for these purposes, and its validity and reliability have been verified. Nevertheless, test-related burdens and procedural complexity have prevented their use as a screening tool. We developed a novel Stroop test using eye-tracking technology and evaluated its validity and utility in a clinical setting.
Methods:
The study included 97 older adults at a memory clinic. Participants completed both the eye-tracking-based and conventional paper-based Stroop tests, along with MMSE, FAB, and TMT-A/B.
Results:
Scores on the eye-tracking-based Stroop test significantly correlated with the paper-based test (r = 0.634), FAB (r = 0.480), and TMT-B (r = -0.536). It achieved an AUC-ROC of 0.701 for frontal lobe dysfunction and 0.708 for dementia.
Discussion:
The eye-tracking-based Stroop test has the potential to efficiently assess frontal lobe function and serve as a screening tool for dementia.
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