Search Results - "Ursin, Reidun"

Midlife insomnia and subsequent mortality: the Hordaland health study by Sivertsen, Børge, Pallesen, Ståle, Glozier, Nick, Bjorvatn, Bjørn, Salo, Paula, Tell, Grethe S, Ursin, Reidun, Øverland, Simon

“…Previous research suggests a possible link between insomnia and mortality, but findings are mixed and well-controlled studies are lacking. The aim of the…”
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The association between sleep duration, body mass index and metabolic measures in the Hordaland Health Study by BJORVATN, BJØRN, SAGEN, INA MARIE, ØYANE, NICOLAS, WAAGE, SIRI, FETVEIT, ARNE, PALLESEN, STÅLE, URSIN, REIDUN

“…Summary Several studies show that short self‐reported sleep duration is associated with elevated body mass index (BMI). Short sleep duration may change…”
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Insomnia symptoms and mortality: a register‐linked study among women and men from Finland, Norway and Lithuania by Lallukka, Tea, Podlipskytė, Aurelija, Sivertsen, Børge, Andruškienė, Jurgita, Varoneckas, Giedrius, Lahelma, Eero, Ursin, Reidun, Tell, Grethe S., Rahkonen, Ossi

“…Summary Evidence on the association between insomnia symptoms and mortality is limited and inconsistent. This study examined the association between insomnia…”
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Sleep duration, subjective sleep need, and sleep habits of 40- to 45-year-olds in the hordaland health study by URSIN, Reidun, BJORVATN, Bjørn, HOLSTEN, Fred

“…To report the distribution of various sleep parameters in a population-based study. Population-based cross-sectional study with self-administered…”
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Early and later life stress alter brain activity and sleep in rats by Mrdalj, Jelena, Pallesen, Ståle, Milde, Anne Marita, Jellestad, Finn Konow, Murison, Robert, Ursin, Reidun, Bjorvatn, Bjørn, Grønli, Janne

“…Exposure to early life stress may profoundly influence the developing brain in lasting ways. Neuropsychiatric disorders associated with early life adversity…”
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A field study of effects of road traffic and railway noise on polysomnographic sleep parameters by Aasvang, Gunn Marit, Øverland, Britt, Ursin, Reidun, Moum, Torbjørn

“…The aim of this study was to explore and compare the effect of noise from railway and road traffic on sleep in subjects habitually exposed to nocturnal noise…”
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Serotonin and the sleep/wake cycle: special emphasis on microdialysis studies by Portas, C M, Bjorvatn, B, Ursin, R

“…Several areas in the brainstem and forebrain are important for the modulation and expression of the sleep/wake cycle. Even if the first observations of…”
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Sleep Duration and sleep-related Problems in Different Occupations in the Hordaland Health Study by Ursin, Reidun, Baste, Valborg, Moen, Bente E

“…Objectives The aim of this study was to examine the relationship between occupation and sleep duration, sleepiness, insufficient sleep, and insomnia in day…”
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Extracellular levels of serotonin and GABA in the hippocampus after chronic mild stress in rats. A microdialysis study in an animal model of depression by Grønli, Janne, Fiske, Eldbjørg, Murison, Robert, Bjorvatn, Bjørn, Sørensen, Eli, Ursin, Reidun, Portas, Chiara M.

“…One of the most established hypotheses of depression focuses on alteration of the serotonergic (5-HT) function. Recent evidence suggests that serotonergic…”
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Chronic mild stress affects sucrose intake and sleep in rats by Grønli, Janne, Murison, Robert, Bjorvatn, Bjørn, Sørensen, Eli, Portas, Chiara M., Ursin, Reidun

“…Depression in humans is associated with sleep abnormalities of three types: altered rapid eye movement (REM) sleep, fragmented sleep, and reduced delta sleep…”
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Increased health risk in subjects with high self-reported seasonality by Øyane, Nicolas M, Ursin, Reidun, Pallesen, Ståle, Holsten, Fred, Bjorvatn, Bjørn

“…Seasonal variations in mood and behaviour, termed seasonality, are commonly reported in the general population. As a part of a large cross-sectional health…”
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Serotonin and sleep by Ursin, Reidun

“…For 50 years, serotonin has been in the centre of the search for the mechanisms and control of sleep. Serotonergic neurotransmission is related to the…”
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Effects of the selective 5‐HT1B agonist, CGS 12066B, on sleep/waking stages and EEG power spectrum in rats by BJORVATN, BJØRN, URSIN, REIDUN

“…SUMMARY  Sleep/waking stages and EEG power spectra were studied in rats for 8 h following intraperitoneal administration of CGS 12066B, a selective 5‐HT1B…”
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Chronic mild stress inhibits BDNF protein expression and CREB activation in the dentate gyrus but not in the hippocampus proper by Grønli, Janne, Bramham, Clive, Murison, Robert, Kanhema, Tambudzai, Fiske, Eldbjørg, Bjorvatn, Bjørn, Ursin, Reidun, Portas, Chiara M.

“…Chronic stress is linked to development of depression and may trigger neurobiological changes underlying the disease. Downregulation of the secretory peptide…”
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The reliability and functional validity of visual and semiautomatic sleep/wake scoring in the Møll-Wistar rat by NECKELMANN, D, OLSEN, Ø. E, FAGERLAND, S, URSIN, R

“…The present paper has three major objectives: first, to document the reliability of a published criteria set for sleep/wake scoring in the rat; second, to…”
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Behavioral, sleep-waking and EEG power spectral effects following the two specific 5-HT uptake inhibitors zimeldine and alaproclate in cats by Sommerfelt, L, Ursin, R

“…Sleep, waking and EEG power spectra were studied in cats for 15 h following peroral administration of placebo or 10 mg/kg and 20 mg/kg of the 5-HT reuptake…”
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Effects of chronic mild stress on sexual behavior, locomotor activity and consumption of sucrose and saccharine solutions by Grønli, Janne, Murison, Robert, Fiske, Eldbjørg, Bjorvatn, Bjørn, Sørensen, Eli, Portas, Chiara M., Ursin, Reidun

“…Many symptoms of human depressive disorders are also observed in animals after exposure to unpredictable stressors. The chronic mild stress (CMS) paradigm was…”
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The 5-HT2 antagonist ritanserin decreases sleep in cats by SOMMERFELT, L, URSIN, R

“…Sleep and wakefulness were recorded in cats after oral administration of the 5-HT2 antagonist ritanserin at doses of 0.5 and 1.0 mg/kg (n = 6), and after 2.5…”
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Hypothermia after chronic mild stress exposure in rats with a history of postnatal maternal separations by Mrdalj, Jelena, Lundegaard Mattson, Ase, Murison, Robert, Konow Jellestad, Finn, Milde, Anne Marita, Pallesen, Ståle, Ursin, Reidun, Bjorvatn, Bjørn, Grønli, Janne

“…The circadian system develops and changes in a gradual and programmed process over the lifespan. Early in life, maternal care represents an important zeitgeber…”
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A double exposure to social defeat induces sub-chronic effects on sleep and open field behaviour in rats by Kinn, Anne Marie, Grønli, Janne, Fiske, Eldbjørg, Kuipers, Sjoukje, Ursin, Reidun, Murison, Robert, Portas, Chiara M

“…Abstract Social defeat, resulting from the fight for a territory is based on the resident–intruder paradigm. A male rat intruder is placed in the territory of…”
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