RecruitingDiagnostic testDEliriuM in STroke: the Link Between Stroke, Delirium and Long-term Cognitive ImpairmentPrimary objective of this study: determine whether PSD is a risk factor for PSCI, independent of brain frailty and premorbid cognitive functioning. Secondary objectives: 1. to investigate the role of infarct location, imaging markers of brain frailty and brain network disintegration in the development of PSD; 2. to investigate the role of persistent brain network disintegration in the development of PSCI.