Internal medicine, Endocrinology, Sleep in non-human animals, Neuroscience and Neuroscience of sleep are her primary areas of study. Her work on Hippocampus and Dentate gyrus is typically connected to Chemistry and Sucrose intake as part of general Internal medicine study, connecting several disciplines of science. Her work carried out in the field of Sleep in non-human animals brings together such families of science as Insomnia, Gerontology and Shift work.
Her research in Neuroscience is mostly focused on Slow-wave sleep. As part of one scientific family, Reidun Ursin deals mainly with the area of Neuroscience of sleep, narrowing it down to issues related to the Sleep onset, and often Circadian rhythm. Her work in Body mass index covers topics such as Physiology which are related to areas like Anhedonia.
Her primary scientific interests are in Slow-wave sleep, Endocrinology, Internal medicine, Sleep in non-human animals and Rapid eye movement sleep. In her study, which falls under the umbrella issue of Slow-wave sleep, Chronic stress is strongly linked to Wakefulness. Her work on Circadian rhythm as part of general Endocrinology study is frequently connected to Chemistry, Serotonergic, 5-HT1A receptor and Alaproclate, therefore bridging the gap between diverse disciplines of science and establishing a new relationship between them.
Her work on Hippocampus and Stimulation as part of general Internal medicine research is frequently linked to 8-OH-DPAT, Reuptake inhibitor and 5-HT receptor, thereby connecting diverse disciplines of science. Her work on Sleep in non-human animals is being expanded to include thematically relevant topics such as Physiology. She interconnects Stressor, Obesity and Locomotor activity in the investigation of issues within Physiology.
Her main research concerns Insomnia, Demography, Gerontology, Norwegian and Epidemiology. Her Insomnia research is multidisciplinary, relying on both Middle age and Cohort study. Her Middle age study integrates concerns from other disciplines, such as Sleep duration, Psychiatry, Risk factor and Biostatistics.
Much of her study explores Gerontology relationship to Body mass index. There are a combination of areas like Lithuanian and Register integrated together with her Norwegian study. Her Epidemiology research includes elements of Blood lipids, Logistic regression, Waist and Mood.
This overview was generated by a machine learning system which analysed the scientist’s body of work. If you have any feedback, you can contact us here.
The association between sleep duration, body mass index and metabolic measures in the Hordaland Health Study
Bjørn Bjorvatn;Ina Marie Sagen;Nicolas Øyane;Siri Waage.
Journal of Sleep Research (2007)
Serotonin and the sleep/wake cycle: special emphasis on microdialysis studies
Chiara M Portas;Bjørn Bjorvatn;Reidun Ursin.
Progress in Neurobiology (2000)
Serotonin and sleep.
Reidun Ursin.
Sleep Medicine Reviews (2002)
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.
Physiology & Behavior (2005)
Chronic mild stress inhibits BDNF protein expression and CREB activation in the dentate gyrus but not in the hippocampus proper
Janne Grønli;Clive Bramham;Robert Murison;Tambudzai Kanhema.
Pharmacology, Biochemistry and Behavior (2006)
Sleep stages and EEG power spectrum in relation to acoustical stimulus arousal threshold in the rat.
Dag Neckelmann;Reidun Ursin.
Sleep (1993)
On-line detection of extracellular levels of serotonin in dorsal raphe nucleus and frontal cortex over the sleep/wake cycle in the freely moving rat.
C.M Portas;B Bjorvatn;S Fagerland;J Grønli.
Neuroscience (1998)
Chronic mild stress affects sucrose intake and sleep in rats.
Janne Grønli;Robert Murison;Bjørn Bjorvatn;Eli Sørensen.
Behavioural Brain Research (2004)
Sleep duration, subjective sleep need, and sleep habits of 40- to 45-year-olds in the Hordaland Health Study.
Reidun Ursin;Bjørn Bjorvatn;Fred Holsten.
Sleep (2005)
Extracellular levels of serotonin and GABA in the hippocampus after chronic mild stress in rats. A microdialysis study in an animal model of depression.
Janne Grønli;Eldbjørg Fiske;Robert Murison;Bjørn Bjorvatn;Bjørn Bjorvatn.
Behavioural Brain Research (2007)
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