Childhood social class and cognitive aging in the Swedish Adoption/Twin Study of Aging

• DOI: 10.1073/pnas.1620603114
• Publication Date: 2017-07-03T20:10:43Z
• Authors: Malin Ericsson; Cecilia Lundholm; Stefan Fors; Anna K. Dahl Aslan; Catalina Zavala; Chandra A. Reynolds; Nancy L. Pedersen
• Keywords: Cognitive aging

Significance There is a previously well-established relationship between socioeconomic status and cognitive ability. By having access to repeated measures of data across the second part life span, we were able not only study influence childhood social class on mean-level performance, but also change over time. Using reared-apart monozygotic dizygotic twins control sample reared together, studied effects environment cognition in later life. We found an association mean levels longitudinal trajectories change. When controlling for genetic influences, there was no performance late