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Photo of Katarina N盲gga

Katarina Nägga

Professor

My research focuses on risk factors and markers for different cognitive disorders, based on both population studies and clinical studies. I am also involved in research concerning the behavioral and psychological symptoms of dementia (BPSD).

My research

My research projects largely focus on risk factors and risk markers for various cognitive disorders, based on large population studies as well as clinical studies. Cognitive disorders/dementia is one of the major public health issues that is increasing due to the growing proportion of elderly in society. It is therefore important to understand risk factors in order to prevent dementia, but also to be able to diagnose cognitive impairment using reliable methods. We are studying the significance of digital cognitive testing methods as tools for basic cognitive assessment in primary care, but also as a method to distinguish between depression and burnout syndrome, which are increasingly common conditions in society today.

Behavioral and psychological symptoms of dementia (BPSD) occur in 90% of people with cognitive disorders/dementia. Through national quality registers, we investigate how various factors, such as specific dementia diagnoses, different trigger factors, and concurrent medication treatment with opioids, for example, are associated with different types of BPSD.

I also participate in studies examining different aspects of abuse among older people with dementia, as well as in a cross-sectional study mapping the health status of elderly Sámi people.

Publications

2026

Wobbie van den Hurk, Maria Johansson, Elisabet Classon, Anders Gustavsson, Katarina N盲gga, Anna Segern盲s (2026) Journal of Alzheimer's Disease Reports, Vol. 10, Article 25424823261492238 (Article in journal)
Paul Kaufmann, Yulia Ilina, Alice Giontella, Michaela Press, Katarina N盲gga, Oskar Hansson, Harald Hampel, Andreas Bergmann, Olle Melander (2026) Alzheimer's Research & Therapy, Vol. 18, Article 217 (Article in journal)
Naiqi Zhang, Jenny Andresen, Suzanne Janzi, Isabelle Glans, Jessica Samuelsson, Katarina N盲gga, Yan Borne, Sebastian Palmqvist, Oskar Hansson, Emily Sonestedt (2026) Journal of Nutrition, Vol. 156, Article 101518 (Article in journal)
Lisa Kastbom, Johan Lyth, Johanna Simmons, Lisa Martinsson, Maria Eriksdotter, Staffan Lundstr枚m, Katarina N盲gga, Anna Segern盲s Kvitting (2026) BMC Palliative Care, Vol. 25, Article 89 (Article in journal)
Yufeng Du, Yan Borne, Jessica Samuelsson, Isabelle Glans, Xiaobin Hu, Katarina N盲gga, Sebastian Palmqvist, Oskar Hansson, Emily Sonestedt (2026) Neurology, Vol. 106, Article e214343 (Article in journal)

Organisation