Summary: <p>Recent clinical, neuropsychological, imaging, genetic and pathological developments have changed our understanding of frontotemporal dementia, its classification and criteria. Dr Jonathan Rohrer, Dementia Research Centre, UCL Institute of Neurology, London, talks about these advances and future research directions.</p><p>Also in this edition, Dr Shaun O’Keeffe, Merlin Park University Hospital, Dublin, explains how simple questions about time are, and should be, used to assess dementia and delirium.</p><p>See also:</p><p>Clinical, genetic and pathological heterogeneity of frontotemporal dementia: a review http://tinyurl.com/barrt7s</p><p>Orientation to time as a guide to the presence and severity of cognitive impairment in older hospital patients http://tinyurl.com/ajaqsa4</p>
