• Analysis of differentially methylated regions in great apes and extinct hominids provides support for the evolutionary hypothesis of schizophrenia 

      Banerjee, Niladri; Polushina, Tatiana; Bettella, Francesco; Steen, Vidar Martin; Andreassen, Ole Andreas; Le Hellard, Stephanie (Peer reviewed; Journal article, 2018-12-11)
      Introduction: The persistence of schizophrenia in human populations separated by geography and time led to the evolutionary hypothesis that proposes schizophrenia as a by-product of the higher cognitive abilities of modern ...
    • 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 ...
    • Cannabis Use Is Associated With Increased Levels of Soluble gp130 in Schizophrenia but Not in Bipolar Disorder 

      Szabo, Attila; Akkouh, Ibrahim; Ueland, Thor; Lagerberg, Trine Vik; Dieset, Ingrid; Bjella, Thomas; Aukrust, Pål; Le Hellard, Stephanie; Stavrum, Anne-Kristin; Melle, Ingrid; Andreassen, Ole Andreas; Djurovic, Srdjan (Journal article; Peer reviewed, 2020)
      The complex effects of plant cannabinoids on human physiology is not yet fully understood, but include a wide spectrum of effects on immune modulation. The immune system and its inflammatory effector pathways are recently ...
    • 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 ...
    • Conservation of Distinct Genetically-Mediated Human Cortical Pattern 

      Qian, Peng; Schork, Andrew J.; Bartsch, Hauke; Lo, Min-Tzu; Panizzon, Matthew S.; Westlye, Lars Tjelta; Kremen, William S.; Jernigan, Terry L.; Le Hellard, Stephanie; Steen, Vidar Martin; Espeseth, Thomas; Huentelman, Matt; Håberg, Asta; Agartz, Ingrid; Djurovic, Srdjan; Andreassen, Ole Andreas; Dale, Anders; Schork, Nicholas J.; Chen, Chi-Hua; Schork, Nicholas J (Peer reviewed; Journal article, 2016-07-26)
      The many subcomponents of the human cortex are known to follow an anatomical pattern and functional relationship that appears to be highly conserved between individuals. This suggests that this pattern and the relationship ...
    • Elevated expression of a minor isoform of ANK3 is a risk factor for bipolar disorder 

      Hughes, Timothy; Sønderby, Ida Elken; Polushina, Tatiana; Hansson, Lars Johan Axel; Holmgren, Asbjørn; Athanasiu, Lavinia; Melbø-Jørgensen, Christian; Hassani, Sahar; Hoeffding, Louise K.; Herms, Stefan; Bergen, Sarah E.; Karlsson, Robert; Song, Jie; Rietschel, Marcella; Nöthen, Markus M.; Forstner, Andreas J.; Hoffmann, Per; Hultman, Christina M.; Landén, Mikael; Cichon, Sven; Werge, Thomas; Andreassen, Ole Andreas; Le Hellard, Stephanie; Djurovic, Srdjan (Peer reviewed; Journal article, 2018)
      Ankyrin-3 (ANK3) is one of the few genes that have been consistently identified as associated with bipolar disorder by multiple genome-wide association studies. However, the exact molecular basis of the association remains ...
    • The ENIGMA Consortium: large-scale collaborative analyses of neuroimaging and genetic data 

      Christoforou, Andrea; Le Hellard, Stephanie; Giddaluru, Sudheer; Steen, Vidar Martin; The ENIGMA Consortium (Peer reviewed; Journal article, 2014-06)
      The Enhancing NeuroImaging Genetics through Meta-Analysis (ENIGMA) Consortium is a collaborative network of researchers working together on a range of large-scale studies that integrate data from 70 institutions worldwide. ...
    • Gene-Based Analysis of Regionally Enriched Cortical Genes in GWAS Data Sets of Cognitive Traits and Psychiatric Disorders 

      Ersland, Kari Merete; Christoforou, Andrea; Stansberg, Christine; Espeseth, Thomas; Mattheisen, Manuel; Mattingsdal, Morten; Hardarson, Gudmundur A.; Hansen, Thomas; Fernandes, Carla P. D.; Giddaluru, Sudheer; Breuer, René; Strohmaier, Jana; Djurovic, Srdjan; Nöthen, Markus M.; Rietschel, Marcella; Lundervold, Astri Johansen; Werge, Thomas; Cichon, Sven; Andreassen, Ole Andreas; Reinvang, Ivar; Steen, Vidar Martin; Le Hellard, Stephanie (Peer reviewed; Journal article, 2012-02-22)
      Background: Despite its estimated high heritability, the genetic architecture leading to differences in cognitive performance remains poorly understood. Different cortical regions play important roles in normal cognitive ...
    • The genetic architecture of human brainstem structures and their involvement in common brain disorders 

      Elvsåshagen, Torbjørn; Bahrami, Shahram; van der Meer, Dennis; Agartz, Ingrid; Alnæs, Dag; Barch, Deanna M.; Baur-Streubel, Ramona; Bertolino, Alessandro; Beyer, Mona K.; Blasi, Giuseppe; Borgwardt, Stefan; Boye, Birgitte; Buitelaar, Jan; Bøen, Erlend; Celius, Elisabeth Gulowsen; Cervenka, Simon; Conzelmann, Annette; Coynel, David; di Carlo, Pasquale; Djurovic, Srdjan; Eisenacher, Sarah; Espeseth, Thomas; Fatouros-Bergman, Helena; Flyckt, Lena; Franke, Barbara; Frei, Oleksandr; Gelao, Barbara; Harbo, Hanne Flinstad; Hartman, Catharina A.; Håberg, Asta; Heslenfeld, Dirk; Hoekstra, Pieter J.; Høgestøl, Einar August; Jonassen, Rune; Jönsson, Erik G.; Kirsch, Peter; Kloszewska, Iwona; Lagerberg, Trine Vik; Landrø, Nils Inge; Le Hellard, Stephanie; Lesch, Klaus-Peter; Maglanoc, Luigi Angelo; Malt, Ulrik Fredrik; Mecocci, Patrizia; Melle, Ingrid; Meyer-Lindenberg, Andreas; Moberget, Torgeir; Nordvik, Jan Egil; Nyberg, Lars; O’ Connell, Kevin S.; Oosterlaan, Jaap; Papalino, Marco; Papassotiropoulos, Andreas; Pauli, Paul; Pergola, Giulio; Persson, Karin; de Quervain, Dominique; Reif, Andreas; Rokicki, Jaroslav; Van Rooij, Daan; Shadrin, Alexey A.; Schmidt, André; Schwarz, Emanuel; Selbæk, Geir; Soininen, Hilkka; Sowa, Piotr; Steen, Vidar M.; Tsolaki, Magda; Vellas, Bruno; Wang, Lei; Westman, Eric; Ziegler, Georg C.; Zink, Mathias; Andreassen, Ole Andreas; Westlye, Lars Tjelta; Kaufmann, Tobias (Journal article, 2020)
      Brainstem regions support vital bodily functions, yet their genetic architectures and involvement in common brain disorders remain understudied. Here, using imaging-genetics data from a discovery sample of 27,034 individuals, ...
    • The genetic architecture of the human cerebral cortex 

      Grasby, Katrina L.; Jahanshad, Neda; Painter, Jodie N; Colodro-Conde, Lucía; Bralten, Janita; Agartz, Ingrid; Alnæs, Dag; Gurholt, Tiril Pedersen; Kaufmann, Tobias; Sønderby, Ida Elken; van der Meer, Dennis; Westlye, Lars Tjelta; Wolfers, Thomas; Djurovic, Srdjan; Le Hellard, Stephanie; Andreassen, Ole Andreas; Jönsson, Erik Gunnar; Steen, Vidar Martin; Medland, Sarah E. (Journal article; Peer reviewed, 2020)
      INTRODUCTION The cerebral cortex underlies our complex cognitive capabilities. Variations in human cortical surface area and thickness are associated with neurological, psychological, and behavioral traits and can be ...
    • 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 ...
    • Genetic control of variability in subcortical and intracranial volumes 

      Còrdova Palomera, Aldo; van der Meer, Dennis; Kaufmann, Tobias; Bettella, Francesco; Wang, Yunpeng; Alnæs, Dag; Doan, Nhat Trung; Agartz, Ingrid; Bertolino, Alessandro; Buitelaar, Jan; Coynel, David; Djurovic, Srdjan; Dørum, Erlend Solberg; Espeseth, Thomas; Fazio, Leonardo; Franke, Barbara; Frei, Oleksandr; Håberg, Asta; Le Hellard, Stephanie; Jönsson, Erik Gunnar; Kolskår, Knut-Kristian; Lund, Martina Jonette; Moberget, Torgeir; Nordvik, Jan; Nyberg, Lars; Papassotiropoulos, Andreas; Pergola, Giulio; de Quervain, Dominique; Rampino, Antonio; Richard, Geneviève; Rokicki, Jaroslav; Sanders, Anne-Marthe; Schwarz, Emanuel; Smeland, Olav Bjerkehagen; Steen, Vidar Martin; Starrfelt, Jostein; Sønderby, Ida Elken; Ulrichsen, Kristine Moe; Andreassen, Ole Andreas; Westlye, Lars Tjelta (Journal article; Peer reviewed, 2020)
      Sensitivity to external demands is essential for adaptation to dynamic environments, but comes at the cost of increased risk of adverse outcomes when facing poor environmental conditions. Here, we apply a novel methodology ...
    • Genetic variation in 117 myelination-related genes in schizophrenia: Replication of association to lipid biosynthesis genes 

      Stokowy, Tomasz; Polushina, Tatiana; Sønderby, Ida Elken; Karlsson, Robert; Giddaluru, Sudheer; Le Hellard, Stephanie; Bergen, Sarah E; Sullivan, Patrick F; Andreassen, Ole Andreas; Djurovic, Srdjan; Hultman, Christina M.; Steen, Vidar Martin (Peer reviewed; Journal article, 2018-05-02)
      Schizophrenia is a serious psychotic disorder with high heritability. Several common genetic variants, rare copy number variants and ultra-rare gene-disrupting mutations have been linked to disease susceptibility, but there ...
    • 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 ...
    • The Imaging and Cognition Genetics Conference 2011, ICG 2011: A Meeting of Minds 

      Le Hellard, Stephanie; Hanson, Isabel (Peer reviewed; Journal article, 2012-05-12)
      In June 2011, 70 researchers from the disciplines of cognitive science, genetics, psychology, psychiatry, neurobiology, and computer science gathered in Os, Norway, for the first Imaging and Cognition Genetics meeting. The ...
    • Large-scale genomics unveil polygenic architecture of human cortical surface area 

      Chen, Chi-Hua; Peng, Qian; Schork, Andrew J.; Lo, Min-Tzu; Fan, Chun-Chieh; Wang, Yunpeng; Desikan, Rahul S.; Bettella, Franscesco; Hagler, Donald J.; Westlye, Lars Tjelta; Kremen, William S.; Jernigan, Terry L.; Le Hellard, Stephanie; Steen, Vidar Martin; Espeseth, Thomas; Huentelman, Matt; Håberg, Asta; Agartz, Ingrid; Djurovic, Srdjan; Andreassen, Ole Andreas; Schork, Nicholas; Dale, Anders (Peer reviewed; Journal article, 2015-07-20)
      Little is known about how genetic variation contributes to neuroanatomical variability, and whether particular genomic regions comprising genes or evolutionarily conserved elements are enriched for effects that influence ...
    • Meta-analysis of Alzheimer’s disease on 9,751 samples from Norway and IGAP study identifies four risk loci 

      Witoelar, Aree; Rongve, Arvid; Almdahl, Ina Selseth; Ulstein, Ingun; Engvig, Andreas; White, Linda Rosemary; Selbæk, Geir; Stordal, Eystein; Andersen, Fredrik; Brækhus, Anne; Saltvedt, Ingvild; Engedal, Knut; Hughes, Timothy; Bergh, Sverre; Bråthen, Geir; Bogdanovic, Nenad; Bettella, Francesco; Wang, Yunpeng; Athanasiu, Lavinia; Bahrami, Shahram; Le Hellard, Stephanie; Giddaluru, Sudheer; Dale, Anders M; Sando, Sigrid Botne; Steinberg, Stacy; Stefansson, Hreinn; Snaedal, Jon; Desikan, Rahul S; Stefansson, Kari; Aarsland, Dag; Djurovic, Srdjan; Fladby, Tormod; Andreassen, Ole Andreas (Peer reviewed; Journal article, 2018-12-27)
      A large fraction of genetic risk factors for Alzheimer’s Disease (AD) is still not identified, limiting the understanding of AD pathology and study of therapeutic targets. We conducted a genome-wide association study (GWAS) ...
    • Recently evolved human-specific methylated regions are enriched in schizophrenia signals 

      Banerjee, Niladri; Polushina, Tatiana; Bettella, Francesco; Giddaluru, Sudheer; Steen, Vidar Martin; Andreassen, Ole Andreas; Le Hellard, Stephanie (Peer reviewed; Journal article, 2018)
      Background: One explanation for the persistence of schizophrenia despite the reduced fertility of patients is that it is a by-product of recent human evolution. This hypothesis is supported by evidence suggesting that ...