Chercheurs

Médecine / THORVALDSSON, VALGEIR

valgeir.thorvaldsson

Position

Post-doctorial Research Fellow at the Department of Psychology, University of Victoria, British Colombia, Canada

Researcher at the Department of Psychology, Göteborg University, Göteborg, Sweden.

Thèmes de recherche

Cognitive development in normal aging, mild cognitive impairment, and dementia.

Prix et récompenses

Publications

Hofer, S. M., Thorvaldsson V., & Piccinin, A. M. (in press). Foundational issues of design and measurement in developmental research. In B. Laursen, T. D. Little & N. A. Card (Eds.). Handbook of developmental research methods. NY: Guilford Press.

Thorvaldsson, V., MacDonald, S. W. S., Fratiglioni, L., Winblad, B., Kivipelto, M., Laukka, E. J., Skoog, I., Sacuiu, S., Guo, X., Östling, S., Börjesson-Hanson, A., Gustafson, D., Johansson, B., Bäckman, L. (2011). Onset and rate of cognitive change before dementia diagnosis: Findings from two Swedish population-based longitudinal studies. Journal of the International Neuropsychological Society, 17, 154-162.

Thorvaldsson, V., Nordlund, A., Reinvang, I., Blennow, K., Zetterberg, H., Wallin, A., & Johansson, B. (2010). Memory in individuals with mild cognitive impairment in relation to APOE and CSF Aβ42. International Psychogeriatrics, 22, 598-606.

Hassing, L. B., Dahl, A., Thorvaldsson, V., Gatz, M., Berg, S., Pedersen, N. L., & Johansson, B. (2009). Overweight in midlife and later risk of dementia: A 40-year follow-up study. International Journal of Obesity, 33, 893-898.

Thorvaldsson, V., Hofer, S. M., Berg, S., Skoog, I., Sacuiu, S., & Johansson, B. (2008). Onset of terminal decline in cognitive abilities in individuals without dementia. Neurology, 71, 882-887.

Thorvaldsson, V. (2008). Change and variability in cognitive performance in old age: Effects of retest, terminal decline, and pre-clinical dementia. (Ph.D. dissertation, University of Gothenburg)

Thorvaldsson, V., Hofer, S. M., Hassing, L. & Johansson, B. (2008). Cognitive change as conditional of age heterogeneity in onset of mortality-related processes and repeated testing effects. In S. M. Hofer & D. F. Alwin (Eds.), Handbook of cognitive aging: Interdisciplinary perspectives (pp. 284-297). SAGE Publications.

Thorvaldsson, V., Hofer, S. M., & Johansson, B. (2006). Aging and late life terminal decline in perceptual speed: A comparison of alternative modeling approaches. European Psychologist, 11, 196-203.

Thorvaldsson, V., Hofer, S. M., Berg, S., & Johansson, B. (2006). Effects of repeated testing in a longitudinal age-homogenous study of cognitive aging. Journal of Gerontology: Psychological Sciences, 61B, P348-354.