Error in Title

In the Research Letter titled “Observational Extension of the Prevention of Dementia by Intensive Vascular Care (preDIVA) Trial,”¹ published in the October 11, 2021, issue of JAMA Neurology, the title has been updated to “Targeting Vascular Risk Factors to Reduce Dementia Incidence in Old Age: Extended Follow-up of the Prevention of Dementia by Intensive Vascular Care (preDIVA) Randomized Clinical Trial.” The article was corrected online.