Øystein Sørensen

Associate Professor - Department of Psychology
Image of Øystein Sørensen
Norwegian version of this page
Phone +47 22851148
Mobile phone +47 98806283
Available hours By agreement
Visiting address Forskningsveien 3A Harald Schjelderups hus 0373 OSLO
Postal address Postboks 1094 Blindern 0317 OSLO

Academic interests

I develop statistical methodology and software for data analysis, inspired by my colleagues interesting data and research questions.


Master of Science, Biological Physics, Norwegian University of Life Sciences, 2011 PhD, Biostatistics, University of Oslo, 2015.

Tags: Cognitive neuroscience, Neuropsychology, Statistics, Methodology


  • Idland, Ane-Victoria; Sala Llonch, Roser; Watne, Leiv; Brækhus, Anne; Hansson, Oskar; Blennow, Kaj; Zetterberg, Henrik; Sørensen, Øystein; Walhovd, Kristine B; Wyller, Torgeir Bruun & Fjell, Anders Martin (2020). Biomarker Profiling Beyond Amyloid and Tau: Cerebrospinal Fluid Markers, Hippocampal Atrophy, and Memory Change in Cognitively Unimpaired Older Adults. Neurobiology of Aging.  ISSN 0197-4580.  93, s 1- 15 . doi: 10.1016/j.neurobiolaging.2020.04.002 Full text in Research Archive. Show summary
  • Sørensen, Øystein & Westerhausen, René (2020). From observed laterality to latent hemispheric differences: Revisiting the inference problem. Laterality: Asymmetries of Body, Brain and Cognition.  ISSN 1357-650X.  s 1- 24 . doi: 10.1080/1357650X.2020.1769124
  • Fjell, Anders Martin; Sneve, Markus Handal; Sederevicius, Donatas; Sørensen, Øystein; Krogsrud, Stine Kleppe; Mowinckel, Athanasia Monika & Walhovd, Kristine B (2019). Volumetric and microstructural regional changes of the hippocampus underlying development of recall performance after extended retention intervals. Developmental Cognitive Neuroscience.  ISSN 1878-9293.  40:100723, s 1- 12 . doi: 10.1016/j.dcn.2019.100723 Full text in Research Archive.
  • Fjell, Anders Martin; Sørensen, Øystein; Amlien, Inge Kasbohm; Bartrés-Faz, David; Bros, Didac Macia; Buchmann, Nikolaus; Demuth, Ilja; Drevon, Christian A; duzel, Sandra; Ebmeier, K P; Idland, Ane-Victoria; Kietzmann, Tim C; Kievit, Rogier; Kühn, Simone; Lindenberger, Ulman; Mowinckel, Athanasia Monika; Nyberg, Lars Erik; Price, Darren; Sexton, Claire; Sole-Padulles, Cristina; Pudas, Sara; Sederevicius, Donatas; Suri, Sana; Wagner, Gerd; Watne, Leiv Otto; Westerhausen, René; Zsoldos, Eniko & Walhovd, Kristine B (2019). Self-reported sleep relates to hippocampal atrophy across the adult lifespan – results from the Lifebrain consortium. Sleep.  ISSN 0161-8105. . doi: 10.1093/sleep/zsz280 Full text in Research Archive.
  • Sørensen, Øystein (2019). hdme: High-Dimensional Regression with Measurement Error. Journal of Open Source Software (JOSS).  ISSN 2475-9066. . doi: 10.21105/joss.01404 Full text in Research Archive.
  • Sørensen, Øystein; Hellton, Kristoffer Herland; Frigessi Di Rattalma, Arnoldo & Thoresen, Magne (2018). Covariate Selection in High-Dimensional Generalized Linear Models With Measurement Error. Journal of Computational And Graphical Statistics.  ISSN 1061-8600.  27(4), s 739- 749 . doi: 10.1080/10618600.2018.1425626 Full text in Research Archive. Show summary
  • Vitelli, Valeria; Sørensen, Øystein; Crispino, Marta; Frigessi Di Rattalma, Arnoldo & Arjas, Elja (2018). Probabilistic preference learning with the Mallows rank model. Journal of machine learning research.  ISSN 1532-4435.  18, s 1- 49 Full text in Research Archive.
  • Asprusten, Tarjei Tørre; Fagermoen, Frode Even; Sulheim, Dag; Skovlund, Eva; Sørensen, Øystein; Mollnes, Tom Eirik & Wyller, Vegard Bruun (2015). Study findings challenge the content validity of the Canadian Consensus Criteria for adolescent chronic fatigue syndrome. Acta Paediatrica.  ISSN 0803-5253.  104(5), s 498- 503 . doi: 10.1111/apa.12950
  • Sørensen, Øystein; Frigessi, Arnoldo & Thoresen, Magne (2015). Measurement error in Lasso: Impact and likelihood bias correction. Statistica sinica.  ISSN 1017-0405.  25(2), s 809- 829 . doi: 10.5705/ss.2013.180 Full text in Research Archive.
  • Wyller, Vegard Bruun; Sørensen, Øystein; Sulheim, Dag; Fagermoen, Frode Even; Ueland, Thor & Mollnes, Tom Eirik (2015). Plasma cytokine expression in adolescent chronic fatigue syndrome. Brain, behavior, and immunity.  ISSN 0889-1591.  46, s 80- 86 . doi: 10.1016/j.bbi.2014.12.025 Show summary

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  • Vitelli, Valeria; Sørensen, Øystein; Frigessi, Arnoldo & Arjas, Elja (2015). Probabilistic preference learning with the Mallows rank model.

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Published Jan. 22, 2019 3:53 PM - Last modified Jan. 24, 2019 9:59 AM