Professor, PhD (Vice Dean for Education)
Sigrunn Eliassen

Giske J, Budaev S, Eliassen S, Higginson AD, Jørgensen C, Mangel M. In press.
Vertebrate decision-making leads to the interdependence of behaviour and wellbeing
Animal Behaviour.

Weidner J, Jensen CH, Giske J, Eliassen S, Jørgensen C. 2025.
Hormonal regulation of the phenotype into environmentally appropriate pace-of-life syndromes
Fish and Fisheries. 26: 16-29. [ doi:10.1111/faf.12863 ] [ open access ] [ pdf ]

Johansen MO, Eliassen S, Jeno LM. 2024.
Autonomy need satisfaction and frustration during a learning session affect perceived value, interest, and vitality among higher education students
Scandinavian Journal of Educational Research. [ doi:10.1080/00313831.2024.2348457 ] [ open access ] [ pdf ]

Revathi Venkateswaran V, Gokhale CS, Mangel M, Eliassen S. 2024.
Effects of time spent in pregnancy or brooding on immunocompetence
Ecology and Evolution. 14: e10764. [ doi:10.1002/ece3.10764 ] [ open access ] [ pdf ]

Jensen CH, Weidner J, Giske J, Jørgensen C, Eliassen S, Mennerat A. 2023.
Adaptive host responses to infection can resemble parasitic manipulation
Ecology and Evolution. 13: e10318. [ doi:10.1002/ece3.10318 ] [ open access ] [ pdf ]

Johansen MO, Eliassen S, Jeno LM. 2023.
The bright and dark side of autonomy: How autonomy support and thwarting relate to student motivation and academic functioning
Frontiers in Education. 8. [ doi:10.3389/feduc.2023.1153647 ] [ open access ] [ pdf ]

Johansen MO, Eliassen S, Jeno LM. 2023.
“Why is this relevant for me?”: increasing content relevance enhances student motivation and vitality
Frontiers in Psychology. 14. [ doi:10.3389/fpsyg.2023.1184804 ] [ open access ] [ pdf ]

Rumińska A, Eliassen S, Jørgensen C. 2023.
Emergence of games from ecological trade-offs: longevity changes strategies for extra-pair mating in birds
Behavioral Ecology and Sociobiology. 77: 127. [ doi:10.1007/s00265-023-03395-7 ] [ open access ] [ pdf ]

Rumińska A, Jørgensen C, Eliassen S. 2023.
From self-interest to cooperation: Extra-pair mating as a driver of relaxed territorial aggression in social neighbourhoods
Evolutionary Ecology. 37: 305-325. [ doi:10.1007/s10682-022-10222-4 ] [ open access ] [ pdf ]

Eliassen S, Krama T, Luoto S, Krams R, Mennerat A, Jõers P, Elferts D, Rantala MJ, Krams IA. 2022.
Reply to Jan T. Lifjeld et al.: Female agency and fitness benefits of mixed-paternity broods remain
Proceedings of the National Academy of Sciences. 119: e2207741119. [ doi:10.1073/pnas.2207741119 ] [ open access ] [ pdf ] [ Discussion arising from Krams et al. 2022 ]

Krams IA, Mennerat A, Krama T, Krams R, Jõers P, Elferts D, Luoto S, Rantala MJ, Eliassen S. 2022.
Extra-pair paternity explains cooperation in a bird species
Proceedings of the National Academy of Sciences. 119: e2112004119. [ doi:10.1073/pnas.2112004119 ] [ open access ] [ pdf ]

Jensen CH, Weidner J, Giske J, Budaev S, Jørgensen C, Eliassen S. 2021.
Hormonal adjustments to future expectations impact growth and survival in juvenile fish
Oikos. 130: 41-51. [ doi:10.1111/oik.07483 ] [ pdf ] [ Code on Github ]

Budaev S, Kristiansen TS, Giske J, Eliassen S. 2020.
Computational animal welfare: towards cognitive architecture models of animal sentience, emotion and wellbeing
Royal Society Open Science. 7: 201886. [ doi:10.1098/rsos.201886 ] [ open access ] [ pdf ]

Weidner J, Jensen CH, Giske J, Eliassen S, Jørgensen C. 2020.
Hormones as adaptive control systems in juvenile fish
Biology Open. 9: bio046144. [ doi:10.1242/bio.046144 ] [ open access ] [ pdf ] [ Interview with Jacqueline ]

Budaev S, Jørgensen C, Mangel M, Eliassen S, Giske J. 2019.
Decision-making from the animal perspective: Bridging ecology and subjective cognition
Frontiers in Ecology and Evolution. 7: 164. [ doi:10.3389/fevo.2019.00164 ] [ open access ] [ pdf ]

Jeno LM, Vandvik V, Eliassen S, Grytnes J-A. 2019.
Testing the novelty effect of an m-learning tool on internalization and achievement: A Self-Determination Theory approach
Computers & Education. 128: 398-413. [ doi:10.1016/j.compedu.2018.10.008 ] [ pdf ]

Budaev S, Giske J, Eliassen S. 2018.
AHA: A general cognitive architecture for Darwinian agents
Biologically Inspired Cognitive Architectures. 25: 51-57. [ doi:10.1016/j.bica.2018.07.009 ] [ open access ] [ pdf ]

Mennerat A, Charmantier A, Jørgensen C, Eliassen S. 2018.
Correlates of complete brood failure in blue tits: Could extra-pair mating provide unexplored benefits to females?
Journal of Avian Biology. 49: e01701. [ doi:10.1111/jav.01701 ] [ pdf ]

Eliassen S, Kolding J, Smedmark J, Vandvik V. 2017.
Numerical competence and quantitative skills in biology education
Nordic Journal of STEM Education. 1: 145-149. [ doi:10.5324/njsteme.v1i1.2248 ] [ open access ] [ pdf ]

Andersen BS, Jørgensen C, Eliassen S, Giske J. 2016.
The proximate architecture for decision-making in fish
Fish and Fisheries. 17: 680-695. [ doi:10.1111/faf.12139 ] [ open access ] [ pdf ]

Eliassen S, Andersen BS, Jørgensen C, Giske J. 2016.
From sensing to emergent adaptations: Modelling the proximate architecture for decision-making
Ecological Modelling. 326: 90-100. [ doi:10.1016/j.ecolmodel.2015.09.001 ] [ open access ] [ pdf ]

Paulsen TR, Colville L, Daws MI, Eliassen S, Högstedt G, Kranner I, Thompson K, Vandvik V. 2015.
The crypsis hypothesis explained: a reply to Jayasuriya et al. (2015)
Seed Science Research. 25: 402-408. [ doi:10.1017/S0960258515000288 ] [ open access ] [ pdf ]

Eliassen S, Jørgensen C. 2014.
Extra-pair mating and evolution of cooperative neighbourhoods
PLoS One. 9: e99878. [ doi:10.1371/journal.pone.0099878 ] [ open access ] [ pdf ] [ News & Views article by Sheldon and Mangel in Nature ]

Giske J, Eliassen S, Fiksen Ø, Jakobsen PJ, Aksnes DL, Mangel M, Jørgensen C. 2014.
The emotion system promotes diversity and evolvability
Proceedings of the Royal Society B-Biological Sciences. 281: 20141096. [ doi:10.1098/rspb.2014.1096 ] [ open access ] [ pdf ] [ fortran code for model at datadryad.org ]

Paulsen TR, Høgstedt G, Thompson K, Vandvik V, Eliassen S. 2014.
Conditions favouring hard seededness as a dispersal and predator escape strategy
Journal of Ecology. 102: 1475-1484. [ doi:10.1111/1365-2745.12323 ] [ open access ] [ pdf ]

Giske J, Eliassen S, Fiksen Ø, Jakobsen PJ, Aksnes DL, Jørgensen C, Mangel M. 2013.
Effects of the emotion system on adaptive behavior
American Naturalist. 182: 689-703. [ doi:10.1086/673533 ] [ open access ] [ pdf ] [ popularized version ]

Heuschele J, Eliassen S, Kiørboe T. 2013.
Optimal mate choice patterns in pelagic copepods
Oecologia. 172: 399-408. [ doi:10.1007/s00442-012-2516-4 ] [ pdf ]

Enberg K, Jørgensen C, Dunlop ES, Varpe Ø, Boukal DS, Baulier L, Eliassen S, Heino M. 2012.
Fishing-induced evolution of growth: concepts, mechanisms, and the empirical evidence
Marine Ecology. 33: 1-25. [ doi:10.1111/j.1439-0485.2011.00460.x ] [ open access ] [ pdf ]

Eliassen S, Jørgensen C, Mangel M, Giske J. 2009.
Quantifying the adaptive value of learning in foraging behaviour
American Naturalist. 174: 478-489. [ doi:10.1086/605370 ] [ pdf ]

Eliassen S, Kokko H. 2008.
Current analyses do not resolve whether extra-pair paternity is male or female driven
Behavioral Ecology and Sociobiology. 62: 1795-1804. [ doi:10.1007/s00265-008-0608-2 ] [ pdf ]

Heino M, Baulier L, Boukal DS, Dunlop ES, Eliassen S, Enberg K, Jørgensen C, Varpe Ø. 2008.
Evolution of growth in Gulf of St Lawrence cod?
Proceedings of the Royal Society B-Biological Sciences. 275: 1111-1112. [ doi:10.1098/rspb.2007.1429 ] [ open access ] [ pdf ]

Eliassen S, Jørgensen C, Mangel M, Giske J. 2007.
Exploration or exploitation: life expectancy changes the value of learning in foraging strategies
Oikos. 116: 513-523. [ doi:10.1111/j.2006.0030-1299.15462.x ] [ pdf ]

Eliassen S, Wegge P. 2007.
Ranging behaviour of male capercaillie Tetrao urogallus outside the lekking ground in spring
Journal of Avian Biology. 38: 37-43. [ doi:10.1111/j.0908-8857.2007.03764.x ]

Titelman J, Varpe Ø, Eliassen S, Fiksen Ø. 2007.
Copepod mating: chance or choice?
Journal of Plankton Research. 29: 1023-1030. [ doi:10.1093/plankt/fbm076 ] [ open access ] [ pdf ]

Eliassen S, Jørgensen C, Giske J. 2006.
Co-existence of learners and stayers maintains the advantage of social foraging
Evolutionary Ecology Research. 8: 1311-1324. [ pdf ]

Grimm V, Berger U, Bastiansen F, Eliassen S, Ginot V, Giske J, Goss-Custard J, Grand T, Heinz SK, Huse G, Huth A, Jepsen JU, Jørgensen C, Mooij WM, Müller B, Pe’er G, Piou C, Railsback SF, Robbins AM, Robbins MM, Rossmanith E, Rüger N, Strand E, Souissi S, Stillman RA, Vabø R, Visser U, DeAngelis DL. 2006.
A standard protocol for describing individual-based and agent-based models
Ecological Modelling. 198: 115-156. [ doi:10.1016/j.ecolmodel.2006.04.023 ] [ pdf ]

Fiksen Ø, Eliassen S, Titelman J. 2005.
Multiple predators in the pelagic: modelling behavioural cascades
Journal of Animal Ecology. 74: 423-429. [ pdf ]

Wegge P, Eliassen S, Finne MH, Odden M. 2005.
Social interactions among capercaillie Tetrao urogallus males outside the lek during spring
Ornis Fennica. 82: 147-154. [ pdf ]

Odden M, Wegge P, Eliassen S, Finne MH. 2003.
The influence of sexual size dimorphism on the dietary shifts of capercaillie Tetrao urogallus during spring
Ornis Fennica. 80: 130-136.

Finne MH, Wegge P, Eliassen S, Odden M. 2000.
Daytime roosting and habitat preference of capercaillie Tetrao urogallus males in spring - the importance of forest structure in relation to anti-predator behaviour
Wildlife Biology. 6: 241-249.

Eliassen S. 2016.
Sidesprang og samarbeid [In Norwegian]
Naturen. 2016(3): 140-143.

Giske J, Eliassen S, Jørgensen C. 2013.
Oceans of emotions: A new perspective on animal behaviour
Meta. 2013(2): 14-17. [ pdf ]