Browsing Brage NMBU by Author "Øverli, Øyvind"
Now showing items 1-20 of 40
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A novel role for pigment genes in the stress response in rainbow trout (Oncorhynchus mykiss)
Kahn, Uniza Wahid; Øverli, Øyvind; Hinkle, Patricia M.; Pasha, Farhan Ahmad; Johansen, Ida Beitnes; Berget, Ingunn; Silva, Patricia; Kittilsen, Silje; Höglund, Erik; Omholt, Stig William; Våge, Dag Inge (Journal article; Peer reviewed, 2016) -
Assaying waterborne psychoactive drugs by the response to naturalistic predator cues in the stickleback (Gasterosteus aculeatus)
Höglund, Erik; Øverli, Øyvind; Åtland, Åse (Peer reviewed; Journal article, 2020)Ecotoxicological effects of psychiatric drugs and drug metabolites released by the human population are of increasing environmental concern. In this study we evaluate behavioral responses to visual predator cues in wild ... -
Assessment of the risk of negative impact on biodiversity from import and release of eggs or live fish from landlocked Atlantic salmon from Klarälven in Sweden to Trysilelva in Norway. Scientific Opinion of the Panel on Alien Organisms and Trade in Endangered Species of the Norwegian Scientific Committee for Food and Environment
Thorstad, Eva Bonsak; Garseth, Åse Helen; Gjøen, Tor; Gulla, Snorre; Lo, Håvard; Malmstrøm, Martin; Mo, Tor Atle; Velle, Gaute; de Boer, Hugo; Eldegard, Katrine; Hindar, Kjetil; Hole, Lars Robert; Järnegren, Johanna; Kausrud, Kyrre; Kirkendall, Lawrence R.; Måren, Inger Elisabeth; Nilsen, Erlend Birkeland; Olsen, Rolf Erik; Rimstad, Espen; Rueness, Eli Knispel; Øverli, Øyvind; Nielsen, Andreas (VKM Report;2021:04, Research report, 2021) -
Assessment of the risk of negative impact on biodiversity from import and release of eggs or live fish from landlocked Atlantic salmon from Klarälven in Sweden to Trysilelva in Norway. Scientific Opinion of the Panel on Alien Organisms and Trade in Endangered Species of the Norwegian Scientific Committee for Food and Environment
Thorstad, Eva Bonsak; Garseth, Åse Helen; Gjøen, Tor; Gulla, Snorre; Lo, Håvard; Malmstrøm, Martin; Mo, Tor Atle; Velle, Gaute; de Boer, Hugo; Eldegard, Katrine; Hindar, Kjetil; Hole, Lars Robert; Järnegren, Johanna; Kausrud, Kyrre; Kirkendall, Lawrence R.; Måren, Inger Elisabeth; Nilsen, Erlend Birkeland; Olsen, Rolf Erik; Rimstad, Espen; Rueness, Eli Knispel; Øverli, Øyvind; Nielsen, Anders (Peer reviewed; Journal article, 2021)Introduction Atlantic salmon in the River Klarälven in Sweden live the entire life in freshwater, undertaking feeding migrations to Lake Vänern. The upper part of the watershed is in Norway and comprises the River Trysilelva ... -
Assessment of the risk of negative impact on biodiversity from import and release of eggs or live fish from landlocked Atlantic salmon from Klarälven in Sweden to Trysilelva in Norway. Scientific Opinion of the Panel on Alien Organisms and Trade in Endangered Species of the Norwegian Scientific Committee for Food and Environment
Thorstad, Eva Bonsak; Garseth, Åse Helen; Gjøen, Tor; Gulla, Snorre; Lo, Håvard; Malmstrøm, Martin; Mo, Tor Atle; Velle, Gaute; de Boer, Hugo; Eldegard, Katrine; Hindar, Kjetil; Hole, Lars Robert; Kausrud, Kyrre; Järnegren, Johanna; Kirkendall, Lawrence R.; Måren, Inger Elisabeth; Nilsen, Erlend Birkeland; Olsen, Rolf Erik; Rimstad, Espen; Rueness, Eli Knispel; Øverli, Øyvind; Nielsen, Anders (VKM Report;2021:04, Research report, 2021) -
Behavioural effects of the common brain-infecting parasite Pseudoloma neurophilia in laboratory zebrafish (Danio rerio)
Midttun, Helene Louise Eghave; Vindas, Marco; Nadler, Lauren Elizabeth; Øverli, Øyvind; Johansen, Ida Beitnes (Peer reviewed; Journal article, 2020)Research conducted on model organisms may be biased due to undetected pathogen infections. Recently, screening studies discovered high prevalence of the microsporidium Pseudoloma neurophilia in zebrafish (Danio rerio) ... -
Behavioural Stress Responses Predict Environmental Perception in European Sea Bass (Dicentrarchus labrax)
Millot, Sandie; Cerqueira, Marco; Castanheira, Maria-Filipa; Øverli, Øyvind; Oliveira, Rui F. (Journal article; Peer reviewed, 2014) -
Bigger is not better: cortisol-induced cardiac growth and dysfunction in salmonids
Johansen, Ida Beitnes; Sandblom, Erik; Skov, Peter V.; Gräns, Albin; Ekström, Andreas; Lunde, Ida Gjervold; Vindas, Marco Antonio; Zhang, Lili; Höglund, Erik; Frisk, Michael; Sjaastad, Ivar; Nilsson, Göran Erik; Øverli, Øyvind (Journal article; Peer reviewed, 2017) -
Brain serotonergic activation in growth-stunted farmed salmon: Adaption versus pathology
Vindas, Marco Antonio; Johansen, Ida Beitnes; Folkedal, Ole; Höglund, Erik; Gorissen, Marnix; Flik, Gert; Kristiansen, Tore S; Øverli, Øyvind (Journal article; Peer reviewed, 2016) -
Brain-encysting trematodes (Euhaplorchis californiensis) decrease raphe serotonergic activity in California killifish (Fundulus parvipinnis)
Helland-Riise, Siri Helene; Vindas, Marco; Johansen, Ida Beitnes; Nadler, Lauren Elizabeth; Weinersmith, Kelly L.; Hechinger, Ryan F.; Øverli, Øyvind (Peer reviewed; Journal article, 2020)Modulation of brain serotonin (5-HT) signalling is associated with parasite-induced changes in host behaviour, potentially increasing parasite transmission to predatory final hosts. Such alterations could have substantial ... -
Brain-infecting parasites leave lasting effects on behaviour even in resistant hosts
Vindas, Marco; Midttun, Helene Louise Eghave; Nadler, Lauren Elizabeth; Fontaine, Romain; Weltzien, Finn-Arne; Øverli, Øyvind; Johansen, Ida Beitnes (Peer reviewed; Journal article, 2022) -
A brain‐infecting parasite impacts host metabolism both during exposure and after infection is established
Nadler, Lauren Elizabeth; Bengtson, Erik; Eliason, Erika J.; Helland-Riise, Siri Helene; Johansen, Ida Beitnes; Turner, Andrew; Øverli, Øyvind; Hechinger, Ryan F. (Peer reviewed; Journal article, 2020)1. Metabolic costs associated with parasites should not be limited to established infections. Even during initial exposure to questing and attacking parasites, hosts can enact behavioural and physiological responses that ... -
Characterizing and reversing the salmonid depression-like state profile
Shapouri, Sheyda (Master thesis, 2020)Depressive or anxious symptoms are typically connected to chronic and unpredictable high-stress situations or otherwise adverse experiences. In aquaculture, hierarchical disputes and confrontations between individuals in ... -
Consistent melanophore spot patterns allow long-term individual recognition of Atlantic salmon Salmo salar
Stien, Lars Helge; Nilsson, Jonatan; Bui, Samantha; Fosseidengen, Jan Erik; Kristiansen, Tore S; Øverli, Øyvind; Folkedal, Ole (Journal article; Peer reviewed, 2017) -
Contrasting associations between breeding coloration and parasitism of male Arctic charr relate to parasite species and life cycle stage
Johansen, Ida Beitnes; Henriksen, Eirik Haugstvedt; Shaw, Jenny Carolyn; Mayer, Ian; Amundsen, Per-Arne; Øverli, Øyvind (Journal article; Peer reviewed, 2019)Conspicuous carotenoid ornamentation is considered a signal of individual “quality” and one of the most intensely studied traits found to co-vary with parasitism. Since it has been suggested that only “high quality” ... -
Contrasting coping styles meet the wall: A dopamine driven dichotomy in behavior and cognition
Höglund, Erik; Silva, Patricia IM; Vindas, Marco Antonio; Øverli, Øyvind (Journal article; Peer reviewed, 2017) -
Contrasting neurochemical and behavioral profiles reflects stress coping styles but not stress responsiveness in farmed gilthead seabream (Sparus aurata)
Höglund, Erik; Moltesen, Maria; Castanheira, Maria Filipa; Thörnqvist, Per-Ove; Silva, Patricia IM; Øverli, Øyvind; Martins, Catarina; Winberg, Svante (Peer reviewed; Journal article, 2020)In fish, as well as in other vertebrates, contrasting suites of physiological and behavioral traits, or coping styles, are often shown in response to stressors. However, the magnitude of the response (i.e. stress responsiveness) ... -
Coping with a changing environment: The effects of early life stress
Vindas, Marco Antonio; Madaro, Angelico; Fraser, Thomas; Höglund, Erik; Olsen, Rolf Erik; Øverli, Øyvind; Kristiansen, Tore S (Journal article; Peer reviewed, 2016) -
Coping with unpredictability: Dopaminergic and neurotrophic responses to omission of expected reward in Atlantic salmon (Salmo salar L.)
Vindas Alvarado, Marco Antonio; Sørensen, Christina; Johansen, Ida Beitnes; Folkedal, Ole; Höglund, Erik; Kahn, Uniza Wahid; Stien, Lars Helge; Kristiansen, Tore S; Braastad, Bjarne Olai; Øverli, Øyvind (Journal article; Peer reviewed, 2014) -
Depression-like state behavioural outputs may confer beneficial outcomes in risky environments
Vindas, Marco; Helland-Riise, Siri Helene; Nilsson, Göran Erik; Øverli, Øyvind (Peer reviewed; Journal article, 2019)Recent theories in evolutionary medicine have suggested that behavioural outputs associated with depression-like states (DLS) could be an adaptation to unpredictable and precarious situations. In animal models, DLS are ...