• An Actigraphy-Based Validation Study of the Sleep Disorder Inventory in the Nursing Home 

      Hjetland, Gunnhild Johnsen; Nordhus, Inger Hilde; Pallesen, Ståle; Cummings, Jeffrey; Tractenberg, Rochelle E.; Thun, Eirunn; Kolberg, Eirin; Flo, Elisabeth (Journal article; Peer reviewed, 2020-03-13)
      Background: Disrupted sleep is common among nursing home patients with dementia and is associated with increased agitation, depression, and cognitive impairment. Detecting and treating sleep problems in this population are ...
    • Aggression and Psychological Distress in Male and Female Anabolic-Androgenic Steroid Users: A Multigroup Latent Class Analysis 

      Chegeni, Razieh; Notelaers, Guy Louis Alice; Pallesen, Ståle; Sagoe, Dominic (Journal article; Peer reviewed, 2021)
      The relationship between anabolic-androgenic steroid (AAS) use and aggression and psychological distress requires further elucidation. No previous study has examined whether the latent patterns of aggression and psychological ...
    • Altered resting state effective connectivity of anterior insula in depression 

      Kandilarova, Sevdalina; Stoyanov, Drozdstoy; Kostianev, Stefan; Specht, Karsten (Peer reviewed; Journal article, 2018-03-15)
      Depression has been associated with changes in both functional and effective connectivity of large scale brain networks, including the default mode network, executive network, and salience network. However, studies of ...
    • The association between psychological distress and alcohol consumption and physical activity: a population-based cohort study 

      Alpers, Silvia Eiken; Pallesen, Ståle; Vold, Jørn Henrik; Haug, Ellen Merethe Melingen; Lunde, Linn Heidi; Skogen, Jens Christoffer; Mamen, Asgeir; Mæland, Silje; Fadnes, Lars T. (Journal article; Peer reviewed, 2023)
      Introduction: The COVID-19 pandemic and infection control measures caused changes to daily life for most people. Heavy alcohol consumption and physical inactivity are two important behavioral risk factors for noncommunicable ...
    • Bullying Victimization and Trauma 

      Idsoe, Thormod; Vaillancourt, T; Dyregrov, Atle; Hagen, Kristine Amlund; Ogden, Terje; Nærde, Ane (Journal article; Peer reviewed, 2021)
      Bullying victimization and trauma research traditions operate quite separately. Hence, it is unclear from the literature whether bullying victimization should be considered as a form of interpersonal trauma. We review ...
    • Changes Over Time and Predictors of Online Gambling in Three Norwegian Population Studies 2013–2019 

      Pallesen, Ståle; Mentzoni, Rune Aune; Morken, Arne Magnus; Engebø, Jonny; Kaur, Puneet; Erevik, Eilin K. (Journal article; Peer reviewed, 2021)
      Objectives: To investigate changes over time and identify predictors of online gambling among gamblers by using three Norwegian representative samples covering a 6-year (2013–2019) period. We also aimed to identify different ...
    • Cognitive Impairment and Neurocognitive Profiles in Major Depression—A Clinical Perspective 

      Hammar, Åsa Karin; Ronold, Eivind Haga; Rekkedal, Guro Årdal (Journal article; Peer reviewed, 2022)
      Increasingly, studies have investigated cognitive functioning from the perspective of acute state- to remitted phases of Major Depressive Disorder (MDD). Some cognitive deficits observed in the symptomatic phase persist ...
    • Cognitive profile in ultra high risk for psychosis and schizophrenia: A comparison using coordinated norms 

      Anda-Ågotnes, Liss Gøril; Brønnick, Kolbjørn Kallesten; Johannessen, Jan Olav; Joa, Inge; Kroken, Rune Andreas; Johnsen, Erik; Rettenbacher, Maria; Fathian, Farivar; Løberg, Else-Marie (Peer reviewed; Journal article, 2019-10-01)
      Background: Cognitive impairment is not only a core aspect of schizophrenia but also commonly observed in help-seeking youth at ultra high risk for psychosis (UHR), with potential implications for prognosis and individualized ...
    • Current Challenges in Translational and Clinical fMRI and Future Directions 

      Specht, Karsten (Journal article; Peer reviewed, 2020)
      Translational neuroscience is an important field that brings together clinical praxis with neuroscience methods. In this review article, the focus will be on functional neuroimaging (fMRI) and its applicability in clinical ...
    • Different Trajectories of Prolonged Grief in Bereaved Family Members After Terror 

      Kristensen, Pål; Dyregrov, Kari; Gjestad, Rolf (Journal article; Peer reviewed, 2020-10-14)
      Introduction: The loss of a loved one in a terror incident is associated with elevated risk for mental health disorders such as prolonged grief disorder (PGD) and posttraumatic stress disorder (PTSD), but the long- term ...
    • Diffusion Tensor Imaging Before and 3 Months After Concentrated Exposure Response Prevention in Obsessive-Compulsive Disorder 

      Brecke, Vilde; Thorsen, Anders Lillevik; Ousdal, Olga Therese; Vriend, Chris; Alnæs, Dag; Hagen, Kristen; Hansen, Bjarne; Kvale, Gerd; van den Heuvel, Odile A (Journal article; Peer reviewed, 2021)
      Background: Subtle differences in white matter microstructure have been found in obsessive-compulsive disorder (OCD) compared to controls using diffusion tensor imaging (DTI), but it is unclear if and how this change after ...
    • Disentangling Within- and Between-Person Effects During Response Inhibition in Obsessive-Compulsive Disorder 

      Hagland, Pernille; Thorsen, Anders Lillevik; Ousdal, Olga Therese; Gjestad, Rolf; de Wit, Stella J.; Hansen, Bjarne Kristian Aaslie; Hagen, Kristen; Kvale, Gerd; van den Heuvel, Odile A. (Journal article; Peer reviewed, 2021)
      Background: Obsessive-compulsive disorder (OCD) has been related to worse performance, abnormal brain activity, and functional connectivity during response inhibition. Whether these findings are indications of stable traits ...
    • Does Concentrated Exposure Treatment for Obsessive-Compulsive Disorder Improve Insomnia Symptoms? Results From a Randomized Controlled Trial 

      Hagen, Kristen; Nordahl, Håkon; Launes, Gunvor; Kvale, Gerd; Öst, Lars Gøran; Hystad, Sigurd; Hansen, Bjarne; Solem, Stian (Journal article; Peer reviewed, 2021)
      Insomnia is a substantial problem in patients with obsessive-compulsive disorder (OCD). There is, however, a lack of studies investigating changes in concurrent symptoms of insomnia in OCD after concentrated treatment. A ...
    • Dynamic Functional Connectivity Patterns in Schizophrenia and the Relationship With Hallucinations 

      Weber, Sarah; Johnsen, Erik; Kroken, Rune Andreas; Løberg, Else-Marie; Kandilarova, Sevdalina; Stoyanov, Drozdstoy; Kompus, Kristiina; Hugdahl, Kenneth (Journal article; Peer reviewed, 2020)
      There is a wealth of evidence showing aberrant functional connectivity (FC) in schizophrenia but with considerable variability in findings across studies. Dynamic FC is an extension of traditional static FC, in that such ...
    • Effectiveness of open-ended psychotherapy under clinically representative conditions 

      Nordmo, Magnus; Sønderland, Nils Martin; Havik, Odd E.; Eilertsen, Dag-Erik; Monsen, Jon Trygve; Solbakken, Ole Andre (Journal article; Peer reviewed, 2020-05-20)
      Objective: This study investigates the effectiveness of open-ended psychotherapy in a large, naturalistic, and diverse patient cohort using rigorous and multifaceted assessments. Method: Patients (N = 370) in open-ended ...
    • The effects of responsible gambling pop-up messages on gambling behaviors and cognitions: A systematic review and meta-analysis 

      Bjørseth, Benjamin; Simensen, Josefine Oudmayer; Bjørnethun, Aina; Griffiths, Mark D.; Erevik, Eilin K.; Leino, Tony; Pallesen, Ståle (Journal article; Peer reviewed, 2021-01-25)
      Pop-up messages utilized by gambling operators are normally presented to gamblers during gambling sessions in order to prevent excessive gambling and/or to help in the appraisal of maladaptive gambling cognitions. However, ...
    • Enhancing neuroimaging genetics through meta-analysis for Tourette syndrome (ENIGMA-TS): A worldwide platform for collaboration 

      Paschou, Peristera; Jin, Yin; Müller-Vahl, Kirsten; Möller, Harald E.; Rizzo, Renata; Hoekstra, Pieter J.; Roessner, Veit; Mol Debes, Nanette; Worbe, Yulia; Hartmann, Andreas; Mir, Pablo; Cath, Danielle; Neuner, Irene; Eichele, Heike; Zhang, Chencheng; Lewandowska, Katarzyna; Munchau, Alexander; Verrel, Julius; Musil, Richard; Silk, Tim J.; Hanlon, Colleen A.; Bihun, Emily D.; Brandt, Valerie; Dietrich, Andrea; Forde, Natalie; Ganos, Christos; Greene, Deanna J.; Chu, Chunguang; Grothe, Michel J.; Hershey, Tamara; Janik, Piotr; Koller, Jonathan M.; Martin-Rodriguez, Juan Francisco; Müller, Karsten; Palmucci, Stefano; Prato, Adriana; Ramkiran, Shukti; Saia, Federica; Szejko, Natalia; Torrecuso, Renzo; Tumer, Zeynep; Uhlmann, Anne; Veselinovic, Tanja; Wolańczyk, Tomasz; Zouki, Jade-Jocelyne; Jain, Pritesh; Topaloudi, Apostolia; Kaka, Mary; Yang, Zhiyu; Drineas, Petros; Thomopoulos, Sophia I.; White, Tonya; Veltman, Dick J.; Schmaal, Lianne; Stein, Dan J.; Buitelaar, Jan; Franke, Barbara; van den Heuvel, Odile A; Jahanshad, Neda; Thompson, Paul M.; Black, Kevin J. (Journal article; Peer reviewed, 2022)
      Tourette syndrome (TS) is characterized by multiple motor and vocal tics, and high-comorbidity rates with other neuropsychiatric disorders. Obsessive compulsive disorder (OCD), attention deficit hyperactivity disorder ...
    • First-Episode Patients Report Cognitive Difficulties in Executive Functioning 1 Year After Initial Episode of Major Depressive Disorder 

      Schmid, Marit Therese; Hammar, Åsa (Journal article; Peer reviewed, 2021-05-31)
      Objective: Major Depressive Disorder (MDD) is associated with cognitive impairment in general, and Executive Functioning (EF) in particular, even in remitted phase of the disorder, suggesting residual cognitive symptoms. ...
    • Gamblers' use of measures to prevent gambling problems and reduce harm 

      Engebø, Jonny; Torsheim, Torbjørn; Pallesen, Ståle (Journal article; Peer reviewed, 2022-07-27)
      In this study, the use of measures to control gambling were investigated. Data from gamblers (N = 5,878) participating in a cross-sectional survey in 2019 based on random sampling from the Norwegian Population Registry, ...
    • Gaming in the Military: A Longitudinal Study of Changes in Gaming Behavior Among Conscripts During Military Service and Associated Risk Factors 

      Olsen, Olav Kjellevold; Pallesen, Ståle; Myrseth, Helga (Journal article; Peer reviewed, 2021)
      A central task in military leadership is to take care of one's followers, which presupposes knowledge about relevant risk factors. Very little research has focused on the risks of developing problematic gaming behavior ...