Electroconvulsive therapy (ECT) is an effective treatment for severe depressive disorders, with older age being predictive of a better outcome. Two earlier small studies have suggested an increased prevalence of dementia in patients having received ECT, but were flawed by major methodological shortcomings. Recent data on both short-term and long-term impact of ECT on cognitive function in older patients are reassuring,1 even in the presence of age-related brain changes.2. To read the full article, log in using your NHS OpenAthens details.