R
Reidun Ursin
Researcher at University of Bergen
Publications - 65
Citations - 3987
Reidun Ursin is an academic researcher from University of Bergen. The author has contributed to research in topics: Slow-wave sleep & Rapid eye movement sleep. The author has an hindex of 32, co-authored 65 publications receiving 3742 citations. Previous affiliations of Reidun Ursin include Haukeland University Hospital.
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Journal ArticleDOI
Serotonin and sleep.
TL;DR: Serotonergic activity may be accompanied by waking or sleep depending on the brain area and receptor type involved in the response, on the current behavioural state and on the concomitant agonism/antagonism of other neurotransmitter systems.
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The association between sleep duration, body mass index and metabolic measures in the Hordaland Health Study
Bjørn Bjorvatn,Ina Marie Sagen,Nicolas M.F. Øyane,Siri Waage,Arne Fetveit,Ståle Pallesen,Ståle Pallesen,Reidun Ursin,Reidun Ursin +8 more
TL;DR: This study confirms a clear association between short sleep duration and elevated BMI and obesity, and levels of total cholesterol, HDL‐cholesterol, triglycerides and blood pressure were associated with sleep duration.
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Serotonin and the sleep/wake cycle: special emphasis on microdialysis studies
TL;DR: The main aim of this commentary is to review the role of brain serotonin in relation to the sleep/wake cycle and highlight the importance of microdialysis for on-line monitoring of the level of serotonin in different areas of the brain across the sleep-wake cycle.
Journal ArticleDOI
Effects of chronic mild stress on sexual behavior, locomotor activity and consumption of sucrose and saccharine solutions.
Janne Grønli,Robert Murison,Eldbjørg Fiske,Bjørn Bjorvatn,Bjørn Bjorvatn,Eli Sørensen,Chiara M. Portas,Chiara M. Portas,Reidun Ursin,Reidun Ursin +9 more
TL;DR: It is concluded that CMS induces comparable alterations to some depression-like symptoms in humans, and saccharine consumption is not a reliable indicator of the hedonic responsiveness to CMS.
Journal ArticleDOI
Chronic mild stress inhibits BDNF protein expression and CREB activation in the dentate gyrus but not in the hippocampus proper
Janne Grønli,Clive R. Bramham,Robert Murison,Tambudzai Kanhema,Eldbjørg Fiske,Bjørn Bjorvatn,Bjørn Bjorvatn,Reidun Ursin,Reidun Ursin,Chiara M. Portas,Chiara M. Portas +10 more
TL;DR: The results couple chronic mild stress to a downregulation of CREB activity and BDNF protein expression specifically within the dentate gyrus and support the possibility that the BDNF-CREB system plays an important role in the response to environmental challenges.