• Adults with attention deficit hyperactivity disorder report high symptom levels of troubled sleep, restless legs, and cataplexy 

      Bjorvatn, Bjørn; Brevik, Erlend Joramo; Lundervold, Astri; Halmøy, Anne; Posserud, Maj-Britt Rocio; Instanes, Johanne Telnes; Haavik, Jan (Peer reviewed; Journal article, 2017-09-20)
      Objective: To compare the occurrence of a spectrum of different self-reported sleep problems in adults with ADHD and a control group, and to study the impact of current ADHD medication use and clinical ADHD subtype. Method: ...
    • Alcohol and drug use among adolescents: and the co-occurrence of mental health problems. Ung@hordaland, a population-based study 

      Skogen, Jens Christoffer; Sivertsen, Børge; Lundervold, Astri; Stormark, Kjell Morten; Jakobsen, Reidar; Hysing, Mari (Peer reviewed; Journal article, 2014-09-22)
      Objectives The use of alcohol and drugs is prevalent among adolescents, but too little is known about the association between debut of alcohol and drug use, problematic use and concurrent mental health. The aim of the study ...
    • ASSERT - The Autism Symptom SElf-ReporT for adolescents and adults: Bifactor analysis and validation in a large adolescent population 

      Posserud, Maj-Britt Rocio; Breivik, Kyrre; Gillberg, Christopher; Lundervold, Astri (Peer reviewed; Journal article, 2013-12)
      With a view to developing a brief screening instrument for autism symptoms in a general population of adolescents, seven items from the Asperger syndrome (and high-functioning autism) diagnostic interview were adapted for ...
    • Assessment of executive function in patients with substance use disorder: A comparison of inventory- and performance-based assessment 

      Hagen, Egon; Erga, Aleksander Hagen; Hagen, Katrin Pedersen; Nesvåg, Sverre; McKay, James R.; Lundervold, Astri; Walderhaug, Espen (Peer reviewed; Journal article, 2016-07)
      Introduction Chronic polysubstance abuse (SUD) is associated with neurophysiological and neuroanatomical changes. Neurocognitive impairment tends to affect quality of life, occupational functioning, and the ability to ...
    • Autistic features in school age children: IQ and gender effects in a population-based cohort 

      Ryland, Hilde Katrin; Hysing, Mari; Posserud, Maj-Britt Rocio; Gillberg, Christopher; Lundervold, Astri (Peer reviewed; Journal article, 2014-03)
      Level and characteristics of intellectual function (IQ) have been associated with symptom presentation in children with autism spectrum disorder. The present study examined associations between IQ and autistic features in ...
    • Brain scans from 21,297 individuals reveal the genetic architecture of hippocampal subfield volumes 

      van der Meer, Dennis; Rokicki, Jaroslav; Kaufmann, Tobias; Còrdova Palomera, Aldo; Moberget, Torgeir; Alnæs, Dag; Bettella, Francesco; Frei, Oleksandr; Doan, Nhat Trung; Sønderby, Ida Elken; Smeland, Olav Bjerkehagen; Agartz, Ingrid; Bertolino, Alessandro; Bralten, Janita; Brandt, Christine Lycke; Buitelaar, Jan K.; Djurovic, Srdjan; van Donkelaar, Marjolein; Dørum, Erlend Solberg; Espeseth, Thomas; Faraone, Stephen V.; Fernandéz, Guillén; Fisher, Simon E.; Franke, Barbara; Haatveit, Beathe Christin; Hartman, Catharina A.; Hoekstra, Pieter J.; Håberg, Asta; Jönsson, Erik G.; Kolskår, Knut-Kristian; Le Hellard, Stephanie; Lund, Martina Jonette; Lundervold, Astri; Lundervold, Arvid; Melle, Ingrid; Monereo Sanchez, Jennifer; Norbom, Linn Christin Bonaventure; Nordvik, Jan Egil; Nyberg, Lars; Oosterlaan, Jaap; Papalino, Marco; Papassotiropoulos, Andreas; Pergola, Giulio; de Quervain, Dominique J.F.; Richard, Geneviéve´; Sanders, Anne-Marthe; Selvaggi, Pierluigi; Shumskaya, Elena; Steen, Vidar Martin; Tønnesen, Siren; Ulrichsen, Kristine Moe; Zwiers, Marcel P.; Andreassen, Ole Andreas; Westlye, Lars Tjelta (Peer reviewed; Journal article, 2018-10-02)
      The hippocampus is a heterogeneous structure, comprising histologically distinguishable subfields. These subfields are differentially involved in memory consolidation, spatial navigation and pattern separation, complex ...
    • Co-occurring symptoms of attention deficit hyperactivity disorder (ADHD) in a population-based sample of adolescents screened for depression 

      Lundervold, Astri; Hinshaw, Stephen P.; Sørensen, Lin; Posserud, Maj-Britt Rocio (Peer reviewed; Journal article, 2016-02-25)
      Background: Depression is common in adolescents, with a gender bias towards girls. Symptoms associated with attention deficit hyperactivity disorder (ADHD) tend to co-occur in depressed adolescents. This may be related to ...
    • Common brain disorders are associated with heritable patterns of apparent aging of the brain 

      Kaufmann, Tobias; van der Meer, Dennis; Doan, Nhat Trung; Schwarz, Emanuel; Lund, Martina Jonette; Agartz, Ingrid; Alnæs, Dag; Barch, Deanna M.; Baur-Streubel, Ramona; Bertolino, Alessandro; Bettella, Francesco; Beyer, Mona K.; Bøen, Erlend; Borgwardt, Stefan; Brandt, Christine Lycke; Buitelaar, Jan; Celius, Elisabeth Gulowsen; Cervenka, Simon; Conzelmann, Annette; Còrdova Palomera, Aldo; Dale, Anders; de Quervain, Dominique J.F.; di Carlo, Pasquale; Djurovic, Srdjan; Dørum, Erlend Solberg; Eisenacher, Sarah; Elvsåshagen, Torbjørn; Espeseth, Thomas; Fatouros-Bergman, Helena; Flyckt, Lena; Franke, Barbara; Frei, Oleksandr; Haatveit, Beathe; Håberg, Asta; Harbo, Hanne Flinstad; Hartman, Catharina A; Heslenfeld, Dirk J; Hoekstra, Pieter J; Høgestøl, Einar August; Jernigan, Terry L.; Jonassen, Rune; Jönsson, Erik Gunnar; Kirsch, Peter; Kłoszewska, Iwona; Kolskår, Knut-Kristian; Landrø, Nils Inge; Le Hellard, Stephanie; Lesch, Klaus-Peter; Lovestone, Simon; Lundervold, Arvid; Lundervold, Astri; Maglanoc, Luigi Angelo; Malt, Ulrik Fredrik; Mecocci, Patrizia; Melle, Ingrid; Meyer-Lindenberg, Andreas; Moberget, Torgeir; Norbom, Linn Christin Bonaventure; Nordvik, Jan Egil; Nyberg, Lars; Oosterlaan, Jaap; Papalino, Marco; Papassotiropoulos, Andreas; Pauli, Paul; Pergola, Giulio; Persson, Karin Ester Torun; Richard, Geneviève; Rokicki, Jaroslav; Sanders, Anne-Marthe; Selbæk, Geir; Shadrin, Alexey A.; Smeland, Olav Bjerkehagen; Soininen, Hilkka; Sowa, Piotr; Steen, Vidar Martin; Tsolaki, Magda; Ulrichsen, Kristine Moe; Vellas, Bruno; Wang, Lei; Westman, Eric; Ziegler, Georg C.; Zink, Mathias; Andreassen, Ole Andreas; Westlye, Lars Tjelta (Peer reviewed; Journal article, 2019)
      Common risk factors for psychiatric and other brain disorders are likely to converge on biological pathways influencing the development and maintenance of brain structure and function across life. Using structural MRI data ...
    • Common variants in the ARC gene are not associated with cognitive abilities 

      Myrum, Craig; Giddaluru, Sudheer; Jacobsen, Kaya Kvarme; Espeseth, Thomas; Nyberg, Lars; Lundervold, Astri; Haavik, Jan; Nilsson, Lars-Göran; Reinvang, Ivar; Steen, Vidar Martin; Johansson, Stefan; Wibrand, Karin; Le Hellard, Stephanie; Bramham, Clive R. (Peer reviewed; Journal article, 2015-09-03)
      Introduction: The Activity-Regulated Cytoskeleton-associated (ARC) gene encodes a protein that is critical for the consolidation of synaptic plasticity and long-term memory formation. Given ARC's key role in synaptic ...
    • Emotional and behavioural function in children with language problems- a longitudinal, population- based study 

      Helland, Wenche A; Posserud, Maj-Britt Rocio; Lundervold, Astri (Journal article; Peer reviewed, 2020)
      This longitudinal, population-based study investigated associations between language problems (LP) and emotional and behavioural difficulties (EBD). Parents and teachers gave information about LP and EBD when the children ...
    • Event-related-potential (ERP) correlates of performance monitoring in adults with attention-deficit hyperactivity disorder (ADHD) 

      Marquardt, Lynn Anne; Eichele, Heike; Lundervold, Astri; Haavik, Jan; Eichele, Tom (Peer reviewed; Journal article, 2018-04-11)
      Introduction: Attention-deficit hyperactivity disorder (ADHD) is one of the most frequent neurodevelopmental disorders in children and tends to persist into adulthood. Evidence from neuropsychological, neuroimaging, and ...
    • Fractional anisotropy shows differential reduction in frontal-subcortical fiber bundles - A longitudinal MRI study of 76 middle-aged and older adults 

      Vik, Alexandra; Hodneland, Erlend; Haász, Judit; Ystad, Martin Andreas; Lundervold, Astri; Lundervold, Arvid (Peer reviewed; Journal article, 2015-05-15)
      Motivated by the frontal- and white matter (WM) retrogenesis hypotheses and the assumptions that fronto-striatal circuits are especially vulnerable in normal aging, the goal of the present study was to identify fiber bundles ...
    • Genetic contributions to variation in general cognitive function: a meta-analysis of genome-wide association studies in the CHARGE consortium (N=53 949) 

      Davies, Gail; Armstrong, N; Bis, JC; Bressler, J; Chouraki, V; Giddaluru, Sudheer; Hofer, E; Ibrahim-Verbaas, CA; Kirin, M; Lahti, J; Van Der Lee, SJ; Le Hellard, Stephanie; Liu, T; Marioni, RE; Oldmeadow, C; Postmus, I; Smith, AV; Smith, JA; Thalamuthu, A; Thomson, R; Vitart, V; Wang, J; Yu, L; Zgaga, L; Zhao, W; Boxall, R; Harris, SE; Hill, WD; Liewald, DC; Luciano, M; Adams, H; Ames, D; Amin, N; Amouyel, P; Assareh, AA; Au, R; Becker, JT; Beiser, A; Berr, C; Bertram, L; Boerwinkle, E; Buckley, BM; Campbell, H; Corley, J; De Jager, PL; Dufouil, C; Eriksson, JG; Espeseth, Thomas; Faul, JD; Ford, I; Scotland, Generation; Gottesman, RF; Griswold, ME; Gudnason, V; Harris, TB; Heiss, G; Hofman, A; Holliday, EG; Huffman, J; Kardia, SLR; Kochan, N; Knopman, DS; Kwok, JB; Lambert, JC; Lee, T; Li, G; Li, SC; Loitfelder, M; Lopez, OL; Lundervold, Astri; Lundqvist, A; Mather, KA; Mirza, SS; Nyberg, L; Oostra, BA; Palotie, A; Papenberg, G; Pattie, A; Petrovic, K; Polasek, O; Psaty, BM; Redmond, P; Reppermund, S; Rotter, JI; Schmidt, H; Schuur, M; Schofield, PW; Scott, RJ; Steen, Vidar Martin; Stott, DJ; Van Swieten, JC; Taylor, KD; Trollor, J; Trompet, S; Uitterlinden, AG; Weinstein, G; Widen, E; Windham, BG; Jukema, JW; Wright, AF; Wright, MJ; Yang, Q; Amieva, H; Attia, JR; Bennett, DA; Brodaty, H; De Craen, AJM; Hayward, C; Ikram, MA; Lindenberger, U; Nilsson, LG; Porteous, DJ; Räikkönen, K; Rudan, I; Sachdev, PS; Schmidt, R; Schofield, PR; Srikanth, V; Starr, JM; Turner, ST; Weir, DR; Wilson, JF; Van Duijn, C; Launer, L; Fitzpatrick, AL; Seshadri, S; Mosley, TH; Deary, IJ; Reinvang, Ivar (Peer reviewed; Journal article, 2015)
      General cognitive function is substantially heritable across the human life course from adolescence to old age. We investigated the genetic contribution to variation in this important, health- and well-being-related trait ...
    • Genome-wide analyses of aggressiveness in attention-deficit hyperactivity disorder 

      Brevik, Erlend Joramo; van Donkelaar, Marjolein M J; Weber, Heike; Sanchez-Mora, Cristina; Jacob, Christian; Rivero, Olga; Kittel-Schneider, Sarah; Garcia-Martinez, Iris; Aebi, Marcel; van Hulzen, Kimm; Cormand, Bru; Ramos-Quiroga, Josep A; Lesch, Klaus-Peter; Reif, Andreas; Ribases, Marta; Franke, Barbara; Posserud, Maj-Britt Rocio; Johansson, Stefan; Lundervold, Astri; Haavik, Jan; Zayats, Tetyana (Peer reviewed; Journal article, 2016-03-29)
      Aggressiveness is a behavioral trait that has the potential to be harmful to individuals and society. With an estimated heritability of about 40%, genetics is important in its development. We performed an exploratory ...
    • GWAS meta-analysis reveals novel loci and genetic correlates for general cognitive function: a report form the COGENT consortium 

      Trampush, Joey W.; Yang, M.L.Z.; Yu, Jin; Knowles, Emma; Davies, Gail; Liewald, David C.M.; Starr, John M.; Djurovic, Srdjan; Melle, Ingrid; Sundet, Kjetil Søren; Christoforou, Andrea; Reinvang, Ivar; DeRosse, Pamela; Lundervold, Astri; Steen, Vidar Martin; Espeseth, Thomas; Räikkönen, Katri; Widén, Elisabeth; Palotie, Aarno; Eriksson, Johan Gunnar; Giegling, Ina; Konte, Bettina; Roussos, Panos; Giakoumaki, Stella; Burdick, Katherine E.; Payton, Antony; Ollier, William E.R.; Horan, Michael Arthur; Chiba-Falek, Ornit; Attix, Deborah K.; Need, Anna C.; Cirulli, Elizabeth Trilby; Voineskos, Aristotle N.; Stefanis, Nikos C.; Avramopoulos, Dimitrios A.; Hatzimanolis, Alex; Arking, Dan E.; Smyrnis, Nikolaos; Bilder, Robert Martin; Freimer, Nelson A.; Cannon, Tyrone D.; London, Edyth; Poldrack, Russell Alan; Sabb, Fred W.; Congdon, Eliza L.; Conley, Emily Drabant; Scult, Matthew A.; Dickinson, Dwight; Straub, Richard E.; Donohoe, Gary J.; Morris, Derek W.; Corvin, Aiden; Gill, Michael; Hariri, Ahmad; Weinberger, Daniel R.; Pendleton, Neil; Bitsios, Panos; Rujescu, Dan; Lahti, Jari; Le Hellard, Stephanie; Keller, Matthew C.; Andreassen, Ole Andreas; Deary, Ian John; Glahn, David C.; Malhotra, Anil K.; Lencz, Todd (Peer reviewed; Journal article, 2017-01-17)
      The complex nature of human cognition has resulted in cognitive genomics lagging behind many other fields in terms of gene discovery using genome-wide association study (GWAS) methods. In an attempt to overcome these ...
    • GWAS-based pathway analysis differentiates between fluid and crystallized intelligence 

      Christoforou, Andrea; Espeseth, Thomas; Davis, G.; Fernandes, Carla P.D.; Giddaluru, Sudheer; Mattheisen, Manuel; Tenesa, A.; Harris, Sarah E.; Liewald, David C; Payton, Anthony; Ollier, W; Horan, M.; Pendleton, Neil; Haggarty, Paul; Djurovic, Srdjan; Herms, Stefan; Hoffman, P.; Cichon, Sven; Starr, John M; Lundervold, Astri; Reinvang, Ivar; Steen, Vidar Martin; Deary, Ian J; Le Hellard, Stephanie (Peer reviewed; Journal article, 2014-09)
      Cognitive abilities vary among people. About 40–50% of this variability is due to general intelligence (g), which reflects the positive correlation among individuals' scores on diverse cognitive ability tests. g is positively ...
    • Human cognitive ability is influenced by genetic variation in components of postsynaptic signalling complexes assembled by NMDA receptors and MAGUK proteins 

      Hill, Wayne David; Davies, Gail; Van De Lagemaat, Louie N.; Christoforou, Andrea; Marioni, Riccardo R.; Duarte Fernandes, Carla; Liewald, David Cherry; Croning, Mike D.R.; Payton, Anthony; Craig, Leone C.A.; Whalley, Lawrence J.; Horan, Michael; Ollier, William E.R.; Hansell, Narelle K.; Wright, Margaret J.; Martin, Nicholas G.; Montgomery, Grant W.; Steen, Vidar Martin; Le Hellard, Stephanie; Espeseth, Thomas; Lundervold, Astri; Reinvang, Ivar; Starr, John M.; Pendleton, Neil; Grant, Seth G.N.; Bates, Timothy C.; Deary, Ian John (Peer reviewed; Journal article, 2014)
      Differences in general cognitive ability (intelligence) account for approximately half of the variation in any large battery of cognitive tests and are predictive of important life events including health. Genome-wide ...
    • Inattention in primary school is not good for your future school achievement — A pattern classification study 

      Lundervold, Astri; Bøe, Tormod; Lundervold, Arvid (Peer reviewed; Journal article, 2017-11-28)
      Inattention in childhood is associated with academic problems later in life. The contribution of specific aspects of inattentive behaviour is, however, less known. We investigated feature importance of primary school ...
    • Lateral ventricle volume trajectories predict response inhibition in older age-A longitudinal brain imaging and machine learning approach. 

      Lundervold, Astri; Vik, Alexandra; Lundervold, Arvid (Peer reviewed; Journal article, 2019-04-02)
      Objective In a three-wave 6 yrs longitudinal study we investigated if the expansion of lateral ventricle (LV) volumes (regarded as a proxy for brain tissue loss) predicts third wave performance on a test of response ...
    • Longitudinal stability of the brain functional connectome is associated with episodic memory performance in aging 

      Ousdal, Olga Therese; Kaufmann, Tobias; Kolskår, Knut-Kristian; Vik, Alexandra; Wehling, Eike; Lundervold, Astri; Lundervold, Arvid; Westlye, Lars Tjelta (Peer reviewed; Journal article, 2020)
      The brain functional connectome forms a relatively stable and idiosyncratic backbone that can be used for identification or “fingerprinting” of individuals with a high level of accuracy. While previous cross‐sectional ...