Blar i Bergen Open Research Archive på forfatter "Grønli, Janne"
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Alerting and Circadian Effects of Short-Wavelength vs. Long-Wavelength Narrow-Bandwidth Light during a Simulated Night Shift
Sunde, Erlend; Pedersen, Torhild; Mrdalj, Jelena; Thun, Eirunn; Grønli, Janne; Harris, Anette; Bjorvatn, Bjørn; Waage, Siri; Skene, Debra J.; Pallesen, Ståle (Journal article; Peer reviewed, 2020)Light can be used to facilitate alertness, task performance and circadian adaptation during night work. Novel strategies for illumination of workplaces, using ceiling mounted LED-luminaires, allow the use of a range of ... -
Blue-blocking glasses as additive treatment for mania: A randomized placebo-controlled trial
Henriksen, Tone Elise Gjøtterud; Skrede, Silje; Fasmer, Ole Bernt; Schøyen, Helle Kristine; Leskauskaite, Ieva; Bjørke-Bertheussen, Janette; Assmus, Jörg; Hamre, Børge; Grønli, Janne; Lund, Anders (Peer reviewed; Journal article, 2016-05)Objectives: The discovery of the blue lightsensitive retinal photoreceptor responsible for signaling daytime to the brain suggested that light to the circadian system could be inhibited by using blue-blocking orange tinted ... -
Blue-blocking glasses as additive treatment for mania: Effects on actigraphy-derived sleep parameters
Henriksen, Tone Elise Gjøtterud; Grønli, Janne; Assmus, Jörg; Fasmer, Ole Bernt; Schøyen, Helle Kristine; Leskauskaite, Ieva; Bjørke-Bertheussen, Janette; Ytrehus, Kjersti; Lund, Anders (Journal article; Peer reviewed, 2020)Improvement of sleep is a central treatment goal for patients in a manic state. Blue‐blocking (BB) glasses as adjunctive treatment hasten overall recovery from mania. This method is an evolvement from dark therapy and ... -
Blue-enriched white light improves performance but not subjective alertness and circadian adaptation during three consecutive simulated night shifts
Sunde, Erlend; Pedersen, Torhild; Mrdalj, Jelena; Thun, Eirunn; Grønli, Janne; Harris, Anette; Bjorvatn, Bjørn; Waage, Siri; Skene, Debra J.; Pallesen, Ståle (Journal article; Peer reviewed, 2020)Use of blue-enriched light has received increasing interest regarding its activating and performance sustaining effects. However, studies assessing effects of such light during night work are few, and novel strategies for ... -
Bright light exposure during simulated night work improves cognitive flexibility
Sunde, Erlend; Mrdalj, Jelena; Pedersen, Torhild Thue; Bjorvatn, Bjørn; Grønli, Janne; Harris, Anette Kristoffersen; Waage, Siri; Pallesen, Ståle (Journal article; Peer reviewed, 2022)Night work leads to sleepiness and reduced vigilant attention during work hours, and bright light interventions may reduce such effects. It is also known that total sleep deprivation impairs cognitive flexibility as measured ... -
Chronic mild stress - an anmial model of depression : from behavior to molecules
Grønli, Janne (Doctoral thesis, 2006-11-03) -
Cognitive function and brain plasticity in a rat model of shift work: role of daily rhythms, sleep and glucocorticoids
Marti, Andrea Rørvik; Pedersen, Torhild; Wisor, Jonathan P.; Mrdalj, Jelena; Holmelid, Øystein; Patil, Sudarshan; Meerlo, Peter; Bramham, Clive R.; Grønli, Janne (Journal article; Peer reviewed, 2020)Many occupations require operations during the night-time when the internal circadian clock promotes sleep, in many cases resulting in impairments in cognitive performance and brain functioning. Here, we use a rat model ... -
Early and Later Life Stress Alter Brain Activity and Sleep in Rats
Mrdalj, Jelena; Pallesen, Ståle; Milde, Anne Marita; Jellestad, Finn Konow; Murison, Robert; Ursin, Reidun; Bjorvatn, Bjørn; Grønli, Janne (Peer reviewed; Journal article, 2013-07-26)Exposure to early life stress may profoundly influence the developing brain in lasting ways. Neuropsychiatric disorders associated with early life adversity may involve neural changes reflected in EEG power as a measure ... -
Effect of dietary nitrate supplementation on sleep in chronic obstructive pulmonary disease patients
Wisor, Jonathan P.; Holmedahl, Nils Henrik; Saxvig, Ingvild West; Fjeldstad, Odd-Magne; Weitzberg, Eddie; Grønli, Janne; Engan, Harald Kåre (Journal article; Peer reviewed, 2021)Purpose: Poor sleep quality in chronic obstructive pulmonary disease (COPD) is a result of oxygen desaturation secondary to compromised lung function. Nitrate supplementation with dietary beetroot juice is known to elevate ... -
The Effects of Pharmacological Treatment of Nightmares: A Systematic Literature Review and Meta-Analysis of Placebo-Controlled, Randomized Clinical Trials
Skeie-Larsen, Mathilda; Stave, Rebekka; Grønli, Janne; Bjorvatn, Bjørn; Wilhelmsen-Langeland, Ane; Zandi, Amin; Pallesen, Ståle (Journal article; Peer reviewed, 2023)Nightmares are highly prevalent and distressing for the sufferer, which underlines the need for well-documented treatments. A comprehensive literature review and meta-analysis of the effects of different pharmacological ... -
Evening light environments can be designed to consolidate and increase the duration of REM-sleep
Vethe, Daniel; Drews, Henning Johannes; Scott, Janine Linda; Engstrøm, Morten; Heglum, Hanne Siri Amdahl; Grønli, Janne; Wisor, J.P.; Sand, Trond; Lydersen, Stian; Kjørstad, Kaia; Faaland, Patrick; Vestergaard, Cecilie Lund; Langsrud, Knut; Kallestad, Håvard (Journal article; Peer reviewed, 2022)Evening exposure to short-wavelength light has disruptive effects on circadian rhythms and sleep. These effects can be mitigated by blocking short-wavelength (blue) frequencies, which has led to the development of evening ... -
Gamma knife surgery as monotherapy with clinically relevant doses prolongs survival in a Human GBM Xenograft Model
Skeie, Bente Sandvei; Wang, Jian; Dodoo, Ernest; Heggdal, Jan Ingemann; Grønli, Janne; Sleire, Linda; Bragstad, Sidsel Marit; Ganz, Jeremy Christopher; Chekenya, Martha; Mørk, Sverre; Pedersen, Paal-Henning; Enger, Per Øyvind (Peer reviewed; Journal article, 2013)Object. Gamma knife surgery (GKS) may be used for recurring glioblastomas (GBMs). However, patients have then usually undergone multimodal treatment, which makes it difficult to specifically validate GKS independent of ... -
How perceived pain influence sleep and mood more than the reverse: A novel, exploratory study with patients awaiting total hip arthroplasty
Blågestad, Tone Fidje; Pallesen, Ståle; Grønli, Janne; Tang, Nicole K.Y.; Nordhus, Inger Hilde (Peer reviewed; Journal article, 2016-10-28)Objectives: Attributions about how comorbid symptoms worsen or improve each other are central cognitive components of chronic pain that are shown to facilitate or impede the recovery process. Still, these attributions have ... -
Implication of NOTCH1 Gene in Susceptibility to Anxiety and Depression among Sexual Abuse Victims
Steine, Iris Mulders; Zayats, Tetyana; Stansberg, Christine; Pallesen, Ståle; Mrdalj, Jelena; Håvik, Bjarte; Soule, Jonathan; Haavik, Jan; Milde, Anne Marita; Skrede, Silje; Murison, Robert; Krystal, John H; Grønli, Janne (Peer reviewed; Journal article, 2016-12-13)Sexual abuse contributes to the development of multiple forms of psychopathology, including anxiety and depression, but the extent to which genetics contributes to these disorders among sexual abuse victims remains unclear. ... -
In the twilight zone: An epidemiological study of sleep-related hallucinations
Bless, Josef Johann; Hugdahl, Kenneth Jan; Kråkvik, Bodil; Vedul-Kjelsås, Einar; Kalhovde, Anne Martha; Grønli, Janne; Larøi, Frank (Journal article; Peer reviewed, 2021)Background Few studies have investigated hallucinations that occur at the onset/offset of sleep (called hypnagogic/hypnopompic hallucinations; HHHs), despite the fact that their prevalence in the general population is ... -
Insomnia symptom trajectories among adult survivors of childhood sexual abuse: A longitudinal study
Steine, Iris Mulders; Skogen, Jens Christoffer; Krystal, John H.; Winje, Dagfinn; Milde, Anne Marita; Grønli, Janne; Nordhus, Inger Hilde; Bjorvatn, Bjørn; Pallesen, Ståle (Peer reviewed; Journal article, 2019)Background: Childhood sexual abuse (CSA) is associated with sleep disturbances in adulthood. However, longitudinal studies have yet to identify among CSA-survivors subgroups distinguished by the trajectory of their insomnia ... -
Longitudinal Relationships between Perceived Social Support and Symptom Outcomes: Findings from a sample of Adult Survivors of Childhood Sexual Abuse
Steine, Iris Mulders; Winje, Dagfinn; Krystal, John H.; Milde, Anne Marita; Bjorvatn, Bjørn; Nordhus, Inger Hilde; Grønli, Janne; Pallesen, Ståle (Journal article; Peer reviewed, 2020)Cross-sectional studies have consistently reported an inverse association between perceived social support and the severity of mental health symptoms among adult survivors of childhood sexual abuse (CSA). However, there ... -
No escaping the rat race: simulated night shift work alters the time-of-day variation in BMAL1 translational activity in the prefrontal cortex
Marti, Andrea Rørvik; Patil, Sudarshan; Mrdalj, Jelena; Meerlo, Peter; Skrede, Silje; Pallesen, Ståle; Pedersen, Torhild; Bramham, Clive R.; Grønli, Janne (Peer reviewed; Journal article, 2017-10-04)Millions of people worldwide work during the night, resulting in disturbed circadian rhythms and sleep loss. This may cause deficits in cognitive functions, impaired alertness and increased risk of errors and accidents. ... -
A pilot study of impulse radio ultra wideband radar technology as a new tool for sleep assessment
Pallesen, Ståle; Grønli, Janne; Myhre, Kenneth; Moen, Frode; Bjorvatn, Bjørn; Hanssen, Ingar; Heglum, Hanne Siri Amdahl (Peer reviewed; Journal article, 2018)Study Objectives To validate Impulse radio ultra wideband pulse-doppler radar technology against polysomnography (PSG) for sleep assessment. Methods In all, 12 participants were recruited and their overnight sleep was ... -
Predictors and correlates of lifetime and persistent non-suicidal self-injury and suicide attempts among adult survivors of childhood sexual abuse
Steine, Iris Mulders; Nielsen, Brittany; Porter, Patricia A.; Krystal, John H.; Winje, Dagfinn; Grønli, Janne; Milde, Anne Marita; Bjorvatn, Bjørn; Nordhus, Inger Hilde; Pallesen, Ståle (Journal article; Peer reviewed, 2020)Background: Childhood sexual abuse (CSA) is a well-established risk factor for non-suicidal self-injury (NSSI) and suicide attempts (SA); still few studies have examined predictors of individual differences in NSSI/SA ...