Well-being affects changes in perceptual speed in advanced old age: Longitudinal evidence for a dynamic link

Smith, Jacqui; Gerstorf, Denis; Lövdén, Martin; Röcke, Christina; Lindenberger, Ulman. (2007). Well-being affects changes in perceptual speed in advanced old age: Longitudinal evidence for a dynamic link. Developmental psychology. 43(3), 705-718.