Intended for healthcare professionals

Letters Onset of cognitive decline

Authors’ reply to Harwood, McCarthy, and Franke

BMJ 2012; 344 doi: (Published 14 February 2012) Cite this as: BMJ 2012;344:e1050
  1. Archana Singh-Manoux, research director123
  2. On behalf of Mika Kivimaki, M Maria Glymour, Alexis Elbaz, Claudine Berr, Klaus P Ebmeier, Jane E Ferrie, Aline Dugravot
  1. 1Institut National de la Santé et de la Recherche Médicale (INSERM), U1018, Centre for Research in Epidemiology and Population Health, Hôpital Paul Brousse, 94807 Villejuif Cedex, France
  2. 2Department of Epidemiology and Public Health, University College London, London, UK
  3. 3Centre de Gérontologie, Hôpital Ste Périne, AP-HP, France
  1. archana.singh-manoux{at}

The over-riding concern about our paper is that it propagates the tradition of emphasising decline and ignoring gains that occur with ageing.1 2 3 4 This was not our intention. We wanted to answer an important research question of whether cognitive decline occurs before the age of 60, and we had the …

View Full Text

Log in

Log in through your institution


* For online subscription