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Background: Recent research advocates the potential of virtual reality (VR) applications in assessing cognitive functions highlighting the possibility of using a VR application for mild cognitive impairment (MCI) screening. Objective: The aim of this study is to investigate whether a VR cognitive tra ining application, the virtual supermarket (VSM), can be used as a screening tool for MCI. Methods: Two groups, one of healthy older adults (n= 21) and one of MCI patients (n= 34), were recruited from day centers for cognitive disorders and administered the VSM and a neuropsychological test battery. The performance of the two groups in the VSM was compared and correlated with performance in established neuropsychological tests. At the same time, the effectiveness of a combination of traditional neuropsychological tests and the VSM was examined. Results: VSM displayed a correct classification rate (CCR) of 87.30 …