Neurobiology of Aging
Volume 30, Issue 4 , Pages 521-524 , April 2009

Challenging the notion of an early-onset of cognitive decline

  • Lars-Göran Nilsson

      Affiliations

    • Department of Psychology, Stockholm University, Sweden
    • Stockholm Brain Institute, Umeå University, Sweden
    • Nordic Center of Excellence, Umeå University, Sweden
    • Aging and Living Conditions, Umeå University, Sweden
    • Corresponding Author InformationCorresponding author at: Department of Psychology, Stockholm University, SE-10691 Stockholm, Sweden. Tel.: +46 8 163940; fax: +46 8 159342.
  • ,
  • Ola Sternäng

      Affiliations

    • Department of Psychology, Stockholm University, Sweden
    • Stockholm Brain Institute, Umeå University, Sweden
  • ,
  • Michael Rönnlund

      Affiliations

    • Department of Psychology, Umeå University, Sweden
    • Center for Population Studies, Umeå University, Sweden
  • ,
  • Lars Nyberg

      Affiliations

    • Department of Radiation Sciences (Diagnostic Radiology) and Integrative Medical Biology (Physiology Section), Umeå University, Sweden
    • Stockholm Brain Institute, Umeå University, Sweden
    • Nordic Center of Excellence, Umeå University, Sweden
    • Aging and Living Conditions, Umeå University, Sweden

Received 20 October 2008 ,Accepted 6 November 2008.

References 

  1. Flynn JR. The mean IQ of Americans: massive gains from 1932 to 1978. Psychological Bulletin. 1984;95:29–51
  2. Flynn JR. Massive IQ gains in 14 nations: what IQ tests really measure. Psychological Bulletin. 1987;101:171–191
  3. Nilsson L-G, Bäckman L, Nyberg L, Erngrund K, Adolfsson R, Bucht G, et al. The Betula prospective cohort study: memory, health, and aging. Aging, Neuropsychology and Cognition. 1997;4:1–32
  4. Nyberg L, Maitland SB, Rönnlund M, Bäckman L, Dixon R, Wahlin Å, et al. Selective adult age differences in an age-invariant multi-factor model of declarative memory. Psychology and Aging. 2003;18:149–160
  5. Raz N, Lindenberger U, Rodrigue KM, Kennedy KM, Head D, Williamson A, et al. Regional brain changes in aging healthy adults: general trends, individual differences, and modifiers. Cerebral Cortex. 2005;15:1676–1689
  6. Rönnlund M, Lövdén M, Nilsson L-G. Cross-sectional versus longitudinal age gradients of Tower of Hanoi performance: the role of practice effects and cohort differences in education. Aging, Neuropsychology and Cognition. 2008;15:40–67
  7. Rönnlund M, Nilsson L-G. Adult life-span patterns in WAIS block design performance: cross-sectional versus longitudinal age gradients and relations to demographic predictors. Intelligence. 2006;34:63–78
  8. Rönnlund M, Nilsson L-G. The magnitude, generality, and determinants of Flynn effects on forms of declarative memory and visuospatial ability: time-sequential analyses of data from a Swedish cohort study. Intelligence. 2008;36:192–209
  9. Rönnlund M, Nyberg L, Bäckman L, Nilsson L-G. Stability, growth, and decline in adult life-span development of declarative memory: cross-sectional and longitudinal data from a population-based sample. Psychology and Aging. 2005;20:3–18
  10. Salthouse TA. When does age-related cognitive decline begin?. Neurobiology of Aging. 2009;30:507–514
  11. Schaie KW. Internal validity threats in studies of adult cognitive development. In:  Howe ML,  Brainerd CJ editor. Cognitive Development in Adulthood: Progress in Cognitive Development Research. New York: Springer-Verlag; 1988;
  12. Schaie KW. Perceptual speed in adulthood: cross-sectional and longitudinal studies. Psychology and Aging. 1989;4:443–453
  13. Schaie KW. Developmental Influences on Adult Intelligence: The Seattle Longitudinal Study. New York: Oxford University Press; 2005;
  14. Sowell ER, Peterson BS, Thompson PM, Welcome SE, Henkenius AL, Toga AW. Mapping cortical change across the human life span. Nature Neuroscience. 2003;6:309–315

PII: S0197-4580(09)00024-4

doi: 10.1016/j.neurobiolaging.2008.11.013

Neurobiology of Aging
Volume 30, Issue 4 , Pages 521-524 , April 2009