title: Response to Brodziak's Letter to the Editor.
authors: Department of Clinical Neuroscience, Section of Psychology, Karolinska Institutet, Stockholm, Sweden. Electronic address: serhiy.dekhtyar@ki.se.
authors: Serhiy
authors: S
authors: Dekhtyar
authors: Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet and Stockholm University, Stockholm, Sweden.
authors: Hui-Xin
authors: HX
authors: Wang
authors: Centre for Economic Demography and Department of Economic History, Lund University, Lund, Sweden.
authors: Kirk
authors: K
authors: Scott
authors: Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, United Kingdom.
authors: Anna
authors: A
authors: Goodman
authors: Centre for Health and Equity Studies, Stockholm University/Karolinska Institutet, Stockholm, Sweden.
authors: Ilona
authors: I
authors: Koupil
authors: Department of Clinical Neuroscience, Section of Psychology, Karolinska Institutet, Stockholm, Sweden.
authors: Agneta
authors: A
authors: Herlitz
mesh_terms: D000375:Aging / Q000523:psychology*; D058245:Cognitive Reserve; D003704:Dementia / Q000523:psychology*; D005260:Female; D006801:Humans; D008297:Male