• Mental health services use predicted by number of mental health problems and gender in a total population study 

      Posserud, Maj-Britt Rocio; Lundervold, Astri (Peer reviewed; Journal article, 2013)
      We examined the relationship between service use and the number of problem areas as reported by parents and teachers on questionnaires among children aged 7–9 years old in the Bergen Child Study, a total population study ...
    • One-year abstinence improves ADHD symptoms among patients with polysubstance use disorder 

      Hagen, Egon; Erga, Aleksander Hagen; Nesvåg, Sverre; McKay, James R.; Lundervold, Astri; Walderhaug, Espen (Peer reviewed; Journal article, 2017-12)
      Introduction Attention-deficit/hyperactivity disorder (ADHD) is a common comorbid disorder in patients suffering from substance use disorder (SUD). Individuals with co-occurring SUD and ADHD are more likely than SUD patients ...
    • Parental socioeconomic status and child intellectual functioning in a Norwegian sample 

      Eilertsen, Thomas; Thorsen, Anders Lillevik; Holm, Silje Elisabeth Hasmo; Bøe, Tormod; Sørensen, Lin; Lundervold, Astri (Peer reviewed; Journal article, 2016-10)
      Socioeconomic status (SES) in childhood has been linked to cognitive function and future academic and occupational success in studies from several countries. However, previous Nordic studies have shown inconsistent results ...
    • Patients with delayed sleep-wake phase disorder show poorer executive functions compared to good sleepers 

      Wilhelmsen-Langeland, Ane; Saxvig, Ingvild W.; Johnsen, Emma Hole; Marszalek, Maja Anna; Andersen, Maria Isolde Wiig; Sætre, Vild Katrine; Lundervold, Astri; Vedaa, Øystein; Nordhus, Inger Hilde; Pallesen, Ståle; Bjorvatn, Bjørn (Peer reviewed; Journal article, 2019-02)
      Objective: Delayed Sleep-Wake Phase Disorder (DSWPD) is associated with negative outcomes, including reduced daytime performance and difficulties with treatment adherence. These outcomes are mediated by executive functions ...
    • Prevalence and clinical correlates of insomnia in adults with attention-deficit hyperactivity disorder 

      Brevik, Erlend Joramo; Lundervold, Astri; Halmøy, Anne; Posserud, Maj-Britt Rocio; Instanes, Johanne Telnes; Bjorvatn, Bjørn; Haavik, Jan (Peer reviewed; Journal article, 2017-08)
      Objective: To investigate the prevalence of insomnia in adults with Attention-deficit hyperactivity disorder (ADHD) and its association with clinical subtypes, current ADHD symptoms, and stimulant treatment. Method: We ...
    • Prevalence of auditory hallucinations in Norwegian adolescents: Results from a population-based study 

      Kompus, Kristiina; Løberg, Else-Marie; Posserud, Maj-Britt Rocio; Lundervold, Astri (Peer reviewed; Journal article, 2015-05-12)
      Knowing the prevalence and characteristics of auditory verbal hallucinations (AVH) in adolescents is important for estimations of need for mental health care and assessment of psychosis risk. In this report we assess the ...
    • Psychosocial characteristics differentiate non-distressing and distressing voices in 10,346 adolescents 

      Løberg, Else-Marie; Gjestad, Rolf; Posserud, Maj-Britt Rocio; Kompus, Kristiina; Lundervold, Astri (Peer reviewed; Journal article, 2019)
      Adolescents hearing non-existent voices may be at risk for psychosis, but the prevalence of voice-hearing (VH) in the general population complicates clinical interpretations. Differentiating between VH with and without ...
    • Sleep and use of electronic devices in adolescence: Results from a large population-based study 

      Hysing, Mari; Pallesen, Ståle; Stormark, Kjell Morten; Jakobsen, Reidar; Lundervold, Astri; Sivertsen, Børge (Peer reviewed; Journal article, 2015-02-02)
      Objectives: Adolescents spend increasingly more time on electronic devices, and sleep deficiency rising in adolescents constitutes a major public health concern. The aim of the present study was to investigate daytime ...
    • Study of 300,486 individuals identifies 148 independent genetic loci influencing general cognitive function 

      Davies, Gail; Lam, Max; Harris, Sarah E.; Trampush, Joey W.; Luciano, Michelle; Hill, W. David; Hagenaars, Saskia P.; Ritchie, Stuart J.; Marioni, Riccardo E.; Fawns-Ritchie, Chloe; Liewald, David C.M.; Okely, Judith A.; Ahola-Olli, Ari V.; Barnes, Catriona L.K.; Bertram, Lars; Bis, Joshua C.; Burdick, Katherine E.; Christoforou, Andrea; Derosse, Pamela; Djurovic, Srdjan; Espeseth, Thomas; Giakoumaki, Stella; Giddaluru, Sudheer; Gustavson, Daniel E.; Hayward, Caroline; Hofer, Edith; Ikram, M. Arfan; Karlsson, Robert; Knowles, Emma; Lahti, Jari; Leber, Markus; Li, Shuo; Mather, Karen A.; Melle, Ingrid; Morris, Derek; Oldmeadow, Christopher; Palviainen, Teemu; Payton, Antony; Pazoki, Raha; Petrovic, Katja; Reynolds, Chandra A.; Sargurupremraj, Muralidharan; Scholz, Markus; Smith, Jennifer A.; Smith, Albert V.; Terzikhan, Natalie; Thalamuthu, Anbupalam; Trompet, Stella; van der Lee, Sven J.; Ware, Erin B.; Windham, B. Gwen; Wright, Margaret J.; Yang, Jingyun; Yu, Jin; Ames, David; Amin, Najaf; Amouyel, Philippe; Andreassen, Ole Andreas; Armstrong, Nicola J.; Assareh, Amelia A; Attia, John R.; Attix, Deborah; Avramopoulos, Dimitrios; Bennett, David A.; Böhmer, Anne C.; Boyle, Patricia A.; Brodaty, Henry; Campbell, Harry; Cannon, Tyrone D.; Cirulli, Elizabeth T.; Congdon, Eliza; Conley, Emily Drabant; Corley, Janie; Cox, Simon R.; Dale, Anders; Dehghan, Abbas; Dick, Danielle; Dickinson, Dwight; Eriksson, Johan G.; Evangelou, Evangelos; Faul, Jessica D.; Ford, Ian; Freimer, Nelson A.; Gao, He; Giegling, Ina; Gillespie, Nathan A.; Gordon, Scott D.; Gottesman, Rebecca F.; Griswold, Michael E.; Gudnason, Vilmundur; Harris, Tamara B.; Hartmann, Annette M.; Hatzimanolis, Alex; Heiss, Gerardo; Holliday, Elizabeth G.; Joshi, Peter K.; Kähönen, Mika; Kardia, Sharon L.R.; Karlsson, Ida; Kleineidam, Luca; Knopman, David S.; Kochan, Nicole A.; Konte, Bettina; Kwok, John B.; Le Hellard, Stephanie; Lee, Teresa; Lehtimäki, Terho; Li, Shu-Chen; Liu, Tian; Koini, Marisa; London, Edythe; Longstreth, Will T.; Lopez, Oscar L.; Loukola, Anu; Luck, Tobias; Lundervold, Astri; Lundquist, Anders; Lyytikäinen, Leo-Pekka; Martin, Nicholas G.; Montgomery, Grant W.; Murray, Alison D.; Need, Anna C.; Noordam, Raymond; Nyberg, Lars; Ollier, William; Papenberg, Göran; Pattie, Alison; Polasek, Ozren; Poldrack, Russell A.; Psaty, Bruce M.; Reppermund, Simone; Riedel-Heller, Steffi G.; Rose, Richard J.; Rotter, Jerome I.; Roussos, Panos; Rovio, Suvi P.; Saba, Yasaman; Sabb, Fred W.; Sachdev, Perminder S.; Satizabal, Claudia L.; Schmid, Matthias; Scott, Rodney J.; Scult, Matthew A.; Simino, Jeannette; Slagboom, P. Eline; Smyrnis, Nikolaos; Soumaré, Aïcha; Stefanis, Nikos C.; Stott, David J.; Straub, Richard E.; Sundet, Kjetil Søren; Taylor, Adele M.; Taylor, Kent D.; Tzoulaki, Ioanna; Tzourio, Christophe; Uitterlinden, André; Vitart, Veronique; Voineskos, Aristotle N.; Kaprio, Jaakko; Wagner, Michael; Wagner, Holger; Weinhold, Leonie; Wen, K. Hoyan; Widén, Elisabeth; Yang, Qiong; Zhao, Wei; Adams, Hieab H.H.; Arking, Dan E.; Bilder, Robert M.; Bitsios, Panos; Boerwinkle, Eric; Chiba-Falek, Ornit; Corvin, Aiden; De Jager, Philip L.; Debette, Stéphanie; Donohoe, Gary; Elliott, Paul; Fitzpatrick, Annette L.; Gill, Michael; Glahn, David C.; Hägg, Sara; Hansell, Narelle K.; Hariri, Ahmad; Ikram, M. Kamran; Jukema, J. Wouter; Vuoksimaa, Eero; Keller, Matthew C.; Kremen, William S.; Launer, Lenore; Lindenberger, Ulman; Palotie, Aarno; Pedersen, Nancy L.; Pendleton, Neil; Porteous, David J.; Räikkönen, Katri; Raitakari, Olli T.; Ramirez, Alfredo; Reinvang, Ivar; Rudan, Igor; Rujescu, Dan; Schmidt, Reinhold; Schmidt, Helena; Schofield, Peter W.; Schofield, Peter R.; Starr, John M.; Steen, Vidar Martin; Trollor, Julian N.; Turner, Steven T.; Van Duijn, Cornelia M.; Villringer, Arno; Weinberger, Daniel R.; Weir, David R.; Wilson, James F.; Malhotra, Anil; McIntosh, Andrew M.; Gale, Catharine R.; Seshadri, Sudha; Mosley, Thomas H.; Bressler, Jan; Lencz, Todd; Deary, Ian J. (Peer reviewed; Journal article, 2018)
      General cognitive function is a prominent and relatively stable human trait that is associated with many important life outcomes. We combine cognitive and genetic data from the CHARGE and COGENT consortia, and UK Biobank ...
    • Study protocol of the Bergen brain-gut-microbiota-axis study: A prospective case-report characterization and dietary intervention study to evaluate the effects of microbiota alterations on cognition and anatomical and functional brain connectivity in patients with irritable bowel syndrome 

      Berentsen, Birgitte; Nagaraja, Bharath Halandur; Teige, Erica Persson; Lied, Gülen Arslan; Lundervold, Astri; Lundervold, Katarina; Steinsvik, Elisabeth Kjelsvik; Hillestad, Eline Margrete Randulff; Valeur, Jørgen; Brønstad, Ingeborg; Gilja, Odd Helge; Osnes, Berge; Hatlebakk, Jan Gunnar; Haász, Judit; Labus, Jennifer; Gupta, Arpana; Mayer, Emeran; Benitez-Páez, Alfonso; Sanz, Yolanda; Lundervold, Arvid; Hausken, Trygve (Journal article; Peer reviewed, 2020-09)
      Introduction: Irritable bowel syndrome (IBS) is a common clinical label for medically unexplained gastrointestinal (GI) symptoms, recently described as a disturbance of the brain-gut-microbiota (BGM) axis. To gain a ...
    • A two-year longitudinal follow-up of cognitive performance assessed by BICAMS in newly diagnosed patients with MS 

      Skorve, Ellen; Lundervold, Astri; Torkildsen, Øivind; Myhr, Kjell-Morten (Journal article; Peer reviewed, 2020)
      Background: Cognitive impairment is common in patients with multiple sclerosis (MS) and may occur at any stage and with any subtype of the disease. Screening and monitoring of cognitive function should therefore be implemented ...