INTRODUCTION: This study evaluates the clinical validity of the Korean Computerized Cognitive Function Test (CFT-S) by comparing its domain-specific scores with those of the Seoul Neuropsychological Screening Battery-II (SNSB-II) in patients with Mild Cognitive Impairment (MCI) or Alzheimer's Disease (AD). METHODS: A total of 300 participants (MCI: n = 163; AD: n = 137) from Severance Hospital completed both CFT-S and SNSB-II assessments within a two-week interval, along with brain MRI and APOE ...