The following dissertations have been based on or contains data from the Betula project:
34. Pedersen, R. (2023). The architecture of the aging brain: functional reorganization, structural changes, and the role of dopamine receptors. Doctoral dissertation, Umeå University.
33. Andersson, J. (2023). Air pollution and dementia in a low exposure setting: the role of noise, olfaction, and the apoe gene. Doctoral dissertation, Umeå University.
32. Koch, E. (2022). The genetics of schizophrenia: sex, drugs, and cognition. Doctoral dissertation, Umeå University.
31. Avelar Pereira, B. (2019). Multimodal imaging: Functional, structural, and molecular brain correlates of cognitive aging. Doctoral dissertation, Karolinska Institutet.
30. Gorbach, T. (2019). Methods for longitudinal brain imaging studies with dropout. Doctoral dissertation, Umeå University.
29. Åström, E. (2018). Being in balance or stuck in time: exploring facets of time processing in relation to mental health. Doctoral dissertation, Umeå University.
28. Stomby, A. (2015). Brain function and glucocorticoids in obesity and type 2 diabetes including effects of lifestyle interventions. Doctoral dissertation, Umeå University.
27. Sörman, D. E. (2015). The influence of social relationships and leisure activity on adult cognitive functioning and risk of dementia: Longitudinal population-based studies. Doctoral dissertation, Department of Psychology, Umeå University.
26. Josefsson, M. (2013). Attrition in Studies of Cognitive Aging. Doctoral dissertation, Department of Statistics, Umeå University.
25. Kauppi, K. (2013). Genes to remember. Imaging genetics of hippocampus-based memory functions. Doctoral dissertation, Department of Integrative Medical Biology, Physiology, Umeå University.
24. Pudas, S (2013). Brain characteristics of memory decline and stability in aging. Doctoral dissertation, Department of Psychology, Stockholm University.
23. Salami, A. (2012). Decoding the complex brain: Multivariate and multimodal analyses of neuroimaging data. Doctoral dissertation, Department of Integrative Medical Biology, Physiology, Umeå University.
22. Wikgren, M. (2012). Telomeres and the brain - an investigation into the relationships of leukocyte telomere length with functional and structural attributes of the brain. Doctoral dissertation, Department of Clinical Science, Psychiatry, Umeå University.
21. Sternäng, O. (2011). Individual differences in the aging memory. Doctoral dissertation, Department of Psychology, Stockholm University.
20. Vestergren, P. (2011). On the subjective-objective distinction for measures of memory and cognition: Theoretical and methodological issues in questionnaire development and validation. Doctoral dissertation, Department of Applied Educational Science, Educational Measurement, Umeå University.
19. Nixon Andreasson, A. (2010). Self-rated health: Biobehavioral determinants with focus on inflammatory factors. Doctoral dissertation, Department of Neurobiology. Karolinska Institutet, Stockholm.
18. Bergman, O. (2009). On the influence of dopamine-related genetic variation on dopamine-related disorders. Doctoral dissertation, Department of Neuroscience and Physiology at Sahlgrenska Academy, University of Gothenburg.
17. Thilers, P. (2009). The association between steroid hormones and cognitive performance in adulthood. Doctoral dissertation, Aging Research Center, Karolinska Institutet, Stockholm.
16. Olofsson, J. (2008). Odor identification in aging and dementia: Influences of cognition and the ApoE gene. Doctoral dissertation, Department of Psychology, Umeå University.
15. Hansson, P. (2007). A Naïve Sampling Model of Intuitive Confidence Intervals. Doctoral dissertation, Department of Psychology, Umeå University.
14. Holmgren, S. (2007). Effects of family configuration on cognitive functions and health across the adult life span. Doctoral dissertation, Department of Psychology, Umeå University.
13. Lind, J. (2007). Memory, Genes and Brain Imaging. Relating the APOE Gene to brain function and structure. Doctoral dissertation, Karolinska Institutet, Stockholm.
12. Sundström, A. (2006). Mild head injury: Relation to cognition, dementia, fatigue & genetics. Doctoral dissertation, Department of Psychology, Umeå University.
11. Nilsson, E. (2006). Diabetes and cognitive functioning: The role of age and comorbidity. Doctoral dissertation, Department of Neurobiology, Karolinska Institutet, Stockholm.
10. Söderfjell, S. (2005). Musculskeletal pain, memory, and aging: Cross-sectional and longitudinal findings. Doctoral dissertation, Department of Psychology, Umeå University.
9. Moniri, S. (2003). Bilingual memory: A life span approach. Doctoral dissertation, Department of Psychology, Stockholm University.
8. von Essen, J. (2003). Helping hands: Motion and integration in action memory. Doctoral dissertation, Department of Psychology, Stockholm University.
7. Yonker, J. (2003). Hormones and cognition: Testosterone and visuospatial ability, estrogen and episodic memory. Doctoral dissertation, Department of Psychology, Stockholm University.
6. Söderlund, H. (2003). The aged brain: Structural changes and cognitive function. Doctoral dissertation, Department of Psychology, Stockholm University.
5. Lewin, C. (2003). Sex differences in memory and other cognitive abilities. Doctoral dissertation, Department of Psychology, Stockholm University.
4. Rönnlund, M. (2003). Aspects of declarative memory functioning in adulthood: Cross-sectional and longitudinal studies. Doctoral dissertation, Department of Psychology, Umeå University.
3. Lövdén, M. (2002). Episodic memory in adulthood: Production versus processing. Doctoral dissertation, Department of Psychology, Stockholm University.
2. Åberg, C. (2002). The novelty/encoding hypothesis. Doctoral dissertation, Department of Psychology, Stockholm University.
1. Erngrund, K. (1997). Memory functioning across the adult life span: A population-based study. Doctoral dissertation, Department of Psychology, Umeå University.