A Different Type of Dementia Is Changing Whatβs Known About Cognitive Decline NYT: Science By:Pam Belluck and Morgan Hornsby 29 November 2025 at 11:47 On its own, LATE dementia is less severe than Alzheimerβs, but in combination, it makes Alzheimerβs symptoms worse, scientists say. Β© Morgan Hornsby for The New York TimesDoctors told Ray Hester he was in the beginning stages of Alzheimerβs, but a brain scan revealed instead he had LATE dementia. βThereβs a certain amount of relief knowing that itβs not Alzheimerβs,β his wife, Sandy, said.