- [Speed of information processing and fluid intelligence in advanced age. A secondary analysis of data of the Bonn Longitudinal Study of Aging based on "latent growth curve models"]
Ruprecht Karls Universitat, Institut für Gerontologie, Heidelberg
Z Gerontol Geriatr 31:89-96. 1998
..Interpreting this result, contrary to the "speed"-hypothesis the intraindividual change of fluid intelligence does not relate to the according change of mental speed...
- Cross-sectionally and longitudinally balanced effects of processing speed on intellectual abilities
Institute of Gerontology, University of Heidelberg, Bergheimer Strasse 20, 69115 Heidelberg, Germany
Exp Aging Res 28:231-51. 2002
- Can longitudinal changes in processing speed explain longitudinal age changes in fluid intelligence?
Institute of Gerontology, University of Heidelberg, Germany
Psychol Aging 17:690-5. 2002
..The difference in the explanatory power of processing speed regarding age-related differences and age-related changes is discussed with reference to other longitudinal studies and methodological considerations...
- Cross-sectional age differences and longitudinal age changes of personality in middle adulthood and old age
Institute of Psychology, University of Zurich, Switzerland
J Pers 75:323-58. 2007
- Long-term correlated change in personality traits in old age
Department of Psychology, University of Zurich, Zurich, Switzerland
Psychol Aging 23:545-57. 2008
..Eventually, except for Neuroticism, a number of medium effect-sized correlations among changes in personality traits emerged, implying that personality changes share a substantial amount of commonality...
- Short-term versus long-term longitudinal changes in processing speed
Department of Gerontopsychology, University of Zurich, Zurich, Switzerland
Gerontology 50:17-21. 2004
..Previous longitudinal studies of cognitive aging have focused on long-term performance changes. A recent surge of research has demonstrated that there are reliable interindividual differences in short-term cognitive performance changes...
- Are changes in cognitive functioning in older adults related to changes in subjective complaints?
The University of Zurich, Zurich, Switzerland
Exp Aging Res 29:335-52. 2003
..The results indicate that there is no relation between level of functioning and level of complaints, but that there is a substantial relation between changes in functioning and complaints...
- Gender differences in level and change in cognitive functioning. Results from the Longitudinal Aging Study Amsterdam
Marja J Aartsen
Department of Sociology and Social Gerontology, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
Gerontology 50:35-8. 2004
..Gender differences in level of cognitive functioning are frequently observed, but little is known about gender differences in rate of decline of cognitive functioning...
- What do subjective cognitive complaints in persons with aging-associated cognitive decline reflect?
Institute of Psychology, Department of Gerontopsychology, University of Zurich, Switzerland
Int Psychogeriatr 17:499-512. 2005
..Although several studies in normal aging have found that subjective cognitive complaints are related to depressive affect and personality factors, little is known as to whether this is also true for older adults with AACD...
- Personality, aging self-perceptions, and subjective health: a mediation model
Center for Gerontology, University of Zurich, Switzerland
Int J Aging Hum Dev 63:241-57. 2006
..Unlike many predictors of subjective health, such as age, gender, socio-cultural differences, actual health, or personality traits, negative attitudes about one's own aging may be modified through adequate intervention...
- Age differences in five personality domains across the life span
Department of Psychology, Gerontopsychology, University of Zurich, Binzmühlestrasse 14 24, Zurich, Switzerland
Dev Psychol 44:758-70. 2008
..Findings from our study suggest that both continuity and change may mark personality over the course of life...
- Subjective cognitive complaints, memory performance, and depressive affect in old age: a change-oriented approach
University of Zurich, Switzerland
Int J Aging Hum Dev 57:339-66. 2003
..The results indicate that there are substantial relations between changes in functioning, changes in depression, and changes in complaints...