Fig. 2From: Post-stroke dementia – a comprehensive reviewCognitive “trajectory” in stroke. a A traditional view of post-stroke cognitive decline where, following a stroke, some have a degree of fixed cognitive decline causing a dementia that can be detected using a cognitive screening tool. b The “real world”, where there are various degrees of pre-stroke cognitive decline and various post-stroke various cognitive trajectories. This complexity requires differing approaches to assessment at various time-pointsBack to article page