by Korea University College of Medicine Cognitive trajectory according to Aβ positivity. The y-axis represents the K-MMSE score (a) or CDR-SOB score (b) 3 and 12 months after stroke. Thin and thick lines represent the scores of each patient and the predicted scores, respectively. Abbreviations: Aβ, amyloid-β; CDR-SOB, Clinical Dementia Rating-Sum of Box; K-MMSE, Korean...