Browsing Psykologisk institutt by Author "Jørgensen, Kjetil Nordbø"

Now showing items 1-19 of 19

  • A comparison of intracranial volume estimation methods and their cross-sectional and longitudinal associations with age 
    Nerland, Stener; Stokkan, Therese Sørheim; Jørgensen, Kjetil Nordbø; Wortinger, Laura Anne; Richard, Geneviève; Beck, Dani; van der Meer, Dennis; Westlye, Lars Tjelta; Andreassen, Ole; Agartz, Ingrid; Barth, Claudia (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Intracranial volume (ICV) is frequently used in volumetric magnetic resonance imaging (MRI) studies, both as a covariate and as a variable of interest. Findings of associations between ICV and age have varied, potentially ...
  • Aberrant default mode connectivity in adolescents with early-onset psychosis: A resting state fMRI study 
    Hilland, Eva; Johannessen, Cecilie Haggag; Jonassen, Rune; Alnæs, Dag; Jørgensen, Kjetil Nordbø; Barth, Claudia; Andreou, Dimitrios; Nerland, Stener; Wortinger, Laura Anne; Smelror, Runar; Wedervang-Resell, Kirsten; Bohman, Hannes; Lundberg, Mathias; Westlye, Lars Tjelta; Andreassen, Ole; Jönsson, Erik Gunnar; Agartz, Ingrid (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Abnormal default mode network (DMN) connectivity has been found in schizophrenia and other psychotic disorders. However, there are limited studies on early onset psychosis (EOP), and their results show lack of agreement. ...
  • Altered Sex Differences in Hippocampal Subfield Volumes in Schizophrenia 
    Barth, Claudia; Nerland, Stener; Jørgensen, Kjetil Nordbø; Haatveit, Beathe; Bakke, Laura Anne Wortinger; Melle, Ingrid; Haukvik, Unn Kristin Hansen; Ueland, Torill; Andreassen, Ole; Agartz, Ingrid (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Background and hypothesis: The hippocampus is a heterogenous brain structure that differs between the sexes and has been implicated in the pathophysiology of psychiatric illnesses. Here, we explored sex and diagnostic group ...
  • Association of Birth Asphyxia With Regional White Matter Abnormalities Among Patients With Schizophrenia and Bipolar Disorders. 
    Wortinger, Laura Anne; Barth, Claudia; Nerland, Stener; Jørgensen, Kjetil Nordbø; Shadrin, Alexey; Szabo, Attila; Haukvik, Unn Kristin Hansen; Westlye, Lars Tjelta; Andreassen, Ole; Thoresen, Marianne; Agartz, Ingrid (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Importance: White matter (WM) abnormalities are commonly reported in psychiatric disorders. Whether peripartum insufficiencies in brain oxygenation, known as birth asphyxia, are associated with WM of patients with severe ...
  • Auditory Cortex Thickness Is Associated With N100 Amplitude in Schizophrenia Spectrum Disorders 
    Slapø, Nora Berz; Nerland, Stener; Jørgensen, Kjetil Nordbø; Mørch-Johnsen, Lynn Egeland; Pettersen, Johanne Hagen; Roelfs, Daniel; Parker, Nadine; Valstad, Mathias; Pentz, Atle Bråthen; Timpe, Clara Marie Fides; Richard, Genevieve; Beck, Dani; Werner, Maren Caroline Frogner; Lagerberg, Trine Vik; Melle, Ingrid; Agartz, Ingrid; Westlye, Lars Tjelta; Steen, Nils Eiel; Andreassen, Ole; Moberget, Torgeir; Elvsåshagen, Torbjørn; Jönsson, Erik G.; Jönsson, Erik Gunnar (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Abstract Background and Hypothesis The auditory cortex (AC) may play a central role in the pathophysiology of schizophrenia and auditory hallucinations (AH). Previous schizophrenia studies ...
  • Cortical brain abnormalities in 4474 individuals with schizophrenia and 5098 control subjects via the Enhancing Neuro Imaging Genetics Through Meta Analysis (ENIGMA) Consortium 
    Van Erp, Theo G.M.; Walton, Esther; Hibar, Derrek; Schmaal, Lianne; Jiang, Wenhao; Glahn, David C.; Pearlson, Godfrey D.; Yao, Nailin; Fukunaga, Masaki; Hashimoto, Ryota; Okada, Naohiro; Yamamori, Hidenaga; Bustillo, Juan R.; Clark, Vincent P.; Agartz, Ingrid; Mueller, Bryon A.; Cahn, Wiepke; de Zwarte, Sonja M.C.; Hulshoff Pol, Hilleke E.; Kahn, René S.; Ophoff, Roel A.; van Haren, Neeltje E.M.; Andreassen, Ole Andreas; Dale, Anders; Doan, Nhat Trung; Gurholt, Tiril Pedersen; Hartberg, Cecilie Bhandari; Haukvik, Unn Kristin H.; Jørgensen, Kjetil Nordbø; Lagerberg, Trine Vik; Melle, Ingrid; Westlye, Lars Tjelta; Gruber, Oliver; Kraemer, Bernd; Richter, Anja; Zilles, David; Calhoun, Vince D.; Crespo-Facorro, Benedicto; Roiz-Santiañez, Roberto; Tordesillas-Gutiérrez, Diana; Loughland, Carmel; Carr, Vaughan J.; Catts, Stanley; Cropley, Vanessa L.; Fullerton, Janice M.; Green, Melissa J.; Henskens, Frans A.; Jablensky, Assen; Lenroot, Rhoshel K.; Mowry, Bryan J.; Michie, Patricia T.; Pantelis, Christos; Quide, Yann; Schall, Ulrich; Scott, Rodney J.; Cairns, Murray J.; Seal, Marc; Tooney, Paul A.; Rasser, Paul E.; Cooper, Gavin; Shannon Weickert, Cynthia; Weickert, Thomas W.; Morris, Derek W.; Hong, Elliot; Kochunov, Peter; Beard, Lauren M.; Gur, Raquel E.; Gur, Ruben C.; Satterthwaite, Theodore D; Wolf, Daniel H.; Belger, Aysenil; Brown, Gregory G.; Ford, Judith M.; Macciardi, Fabio; Mathalon, Daniel H.; O'Leary, Daniel S.; Potkin, Steven G.; Preda, Adrian; Voyvodic, James; Lim, Kelvin O.; McEwen, Sarah; Yang, Fude; Tan, Yunlong; Tan, Shuping; Wang, Zhiren; Fan, Fengmei; Chen, Jingxu; Xiang, Hong; Tang, Shiyou; Guo, Hua; Wan, Ping; Wei, Dong; Bockholt, Henry J.; Ehrlich, Stefan; Wolthusen, Rick P.F.; King, Margaret D.; Shoemaker, Jody M.; Sponheim, Scott R.; De Haan, Lieuwe; Koenders, Laura; Machielsen, Marise W.; van Amelsvoort, Therese; Veltman, Dick J.; Assogna, Francesca; Banaj, Nerisa; de Rossi, Pietro; Iorio, Mariangela; Piras, Fabrizio; Spalletta, Gianfranco; McKenna, Peter J.; Pomarol-Clotet, Edith; Salvador, Raymond; Corvin, Aiden; Donohoe, Gary; Kelly, Sinead; Whelan, Christopher D.; Dickie, Erin W.; Rotenberg, David; Voineskos, Aristotle N.; Ciufolini, Simone; Radua, Joaquim; Dazzan, Paola; Murray, Robin; Reis Marques, Tiago; Simmons, Andrew; Borgwardt, Stefan; Egloff, Laura; Harrisberger, Fabienne; Riecher-Rössler, Anita; Smieskova, Renata; Alpert, Kathryn I.; Wang, Lei; Jönsson, Erik Gunnar; Koops, Sanne; Sommer, Iris Else Clara; Bertolino, Alessandro; Bonvino, Aurora; Di Giorgio, Annabella; Neilson, Emma; Mayer, Andrew R.; Stephen, Julia M.; Kwon, Jun Soo; Yun, Je-Yeon; Cannon, Dara M.; McDonald, Colm; Lebedeva, Irina; Tomyshev, Alexander S.; Akhadov, Tolibjohn; Kaleda, Vasily; Fatouros-Bergman, Helena; Flyckt, Lena (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    Background: The profile of cortical neuroanatomical abnormalities in schizophrenia is not fully understood, despite hundreds of published structural brain imaging studies. This study presents the first meta-analysis of ...
  • Cytomegalovirus infection and IQ in patients with severe mental illness and healthy individuals 
    Andreou, Dimitrios; Jørgensen, Kjetil Nordbø; Bakke, Laura A Wortinger; Engen, Kristine; Vaskinn, Anja; Ueland, Torill; Yolken, Robert H.; Andreassen, Ole Andreas; Agartz, Ingrid (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Cytomegalovirus (CMV) infection in immunocompetent adults is usually asymptomatic, but results in lifelong latency. Infection occurring congenitally or in immunodeficiency can lead to cognitive impairment. We aimed to ...
  • Distinct multivariate brain morphological patterns and their added predictive value with cognitive and polygenic risk scores in mental disorders 
    Doan, Nhat Trung; Kaufmann, Tobias; Bettella, Francesco; Jørgensen, Kjetil Nordbø; Brandt, Christine Lycke; Moberget, Torgeir; Alnæs, Dag; Douaud, Gwenaëlle; Duff, Eugene; Djurovic, Srdjan; Melle, Ingrid; Ueland, Torill; Agartz, Ingrid; Andreassen, Ole Andreas; Westlye, Lars Tjelta (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    The brain underpinnings of schizophrenia and bipolar disorders are multidimensional, reflecting complex pathological processes and causal pathways, requiring multivariate techniques to disentangle. Furthermore, little is ...
  • Herpes simplex virus 1 infection on grey matter and general intelligence in severe mental illness 
    Andreou, Dimitrios; Jørgensen, Kjetil Nordbø; Nerland, Stener; Ueland, Torill; Vaskinn, Anja; Haukvik, Unn Kristin Hansen; Yolken, Robert H.; Andreassen, Ole; Agartz, Ingrid (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Abstract Schizophrenia and bipolar disorder are severe mental illnesses (SMI) linked to both genetic and environmental factors. Herpes simplex virus 1 (HSV1) is a common neurotropic pathogen which after the primary infection ...
  • In Vivo Amygdala Nuclei Volumes in Schizophrenia and Bipolar Disorders 
    Barth, Claudia; Nerland, Stener; de Lange, Ann-Marie Glasø; Wortinger, Laura Anne; Hilland, Eva; Andreassen, Ole Andreas; Jørgensen, Kjetil Nordbø; Agartz, Ingrid (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Abstract Abnormalities in amygdala volume are well-established in schizophrenia and commonly reported in bipolar disorders. However, the specificity of volumetric differences in individual amygdala nuclei is ...
  • In vivo hippocampal subfield volumes in bipolar disorder—A mega‐analysis from The Enhancing Neuro Imaging Genetics through Meta‐Analysis Bipolar Disorder Working Group 
    Haukvik, Unn Kristin H.; Gurholt, Tiril Pedersen; Nerland, Stener; Elvsåshagen, Torbjørn; Akudjedu, Theophilus N.; Alda, Martin; Alnæs, Dag; Alonso-Lana, Silvia; Bauer, Jochen; Baune, Bernhard T; Benedetti, Francesco; Berk, Michael; Bettella, Francesco; Bøen, Erlend; Bonnín, C. M; Brambilla, Paolo; Canales-Rodriguez, Erick J.; Cannon, Dara M; Caseras, Xavier; Dandash, Orwa; Dannlowski, Udo; Delvecchio, Giuseppe; Díaz-Zuluaga, Ana M.; van Erp, Theo GM; Fatjo-Vilas, Mar; Foley, Sonya F.; Förster, Katharina; Fullerton, Janice M.; Goikolea, Jose M.; Grotegerd, Dominik; Gruber, Oliver; Haarman, Bartholomeus CM; Haatveit, Beathe; Hajek, Tomas; Hallahan, Brian; Harris, Mathew; Hawkins, Emma L.; Howells, Fleur M; Hülsmann, Carina; Jahanshad, Neda; Jørgensen, Kjetil Nordbø; Kircher, Tilo; Krämer, Bernd; Krug, Axel; Kuplicki, Rayus; Lagerberg, Trine Vik; Lancaster, Thomas M; Lenroot, Rhoshel K.; Lonning, Vera; Lopez-Jaramillo, Carlos; Malt, Ulrik Fredrik; McDonald, Colm; McIntosh, Andrew M.; McPhilemy, Genevieve; van der Meer, Dennis; Melle, Ingrid; Melloni, Elisa MT; Mitchell, Philip B; Nabulsi, Leila; Nenadic, Igor; Oertel, Viola; Oldani, Lucio; Opel, Nils; Otaduy, Maria CG; Overs, Bronwyn J.; Pineda-Zapata, Julian A.; Pomarol-Clotet, Edith; Radua, Joaquim; Rauer, Lisa; Redlich, Ronny; Repple, Jonathan; Rive, Maria M; Roberts, Gloria; Ruhe, Henricus G; Salminen, Lauren E.; Salvador, Raymond; Sarró, Salvador; Savitz, Jonathan; Schene, Aart H; Sim, Kang; Soeiro-de-Souza, Márcio Gerhardt; Stablein, Michael; Stein, Dan J; Stein, Frederike; Tamnes, Christian Krog; Temmingh, Henk S; Thomopoulos, Sophia I.; Veltman, Dick J; Vieta, Eduard; Waltemate, Lena; Westlye, Lars Tjelta; Whalley, Heather C; Sämann, Philipp G; Thompson, Paul M; Ching, Christopher RK; Andreassen, Ole Andreas; Agartz, Ingrid (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    The hippocampus consists of anatomically and functionally distinct subfields that may be differentially involved in the pathophysiology of bipolar disorder (BD). Here we, the Enhancing NeuroImaging Genetics through ...
  • Intracranial and subcortical volumes in adolescents with early‐onset psychosis: A multisite mega‐analysis from the ENIGMA consortium 
    Gurholt, Tiril Pedersen; Lonning, Vera; Nerland, Stener; Jørgensen, Kjetil Nordbø; Haukvik, Unn K.; Alloza, Clara; Arango, Celso; Barth, Claudia; Bearden, Carrie E.; Berk, Michael; Bohman, Hannes; Dandash, Orwa; Diaz-Caneja, Covadonga M.; Edbom, Carl T; van Erp, Theo GM; Fett, Anne-Kathrin; Frangou, Sophia; Goldstein, Benjamin I; Grigorian, Anahit; Jahanshad, Neda; James, Anthony C; Janssen, Joost; Johannessen, Cecilie; Karlsgodt, Katherine H. ; Kempton, Matthew J.; Kochunov, Peter; Krabbendam, Lydia; Kyriakopoulos, Marinos; Lundberg, Mathias; MacIntosh, Bradley J.; Rund, Bjørn Rishovd; Smelror, Runar E; Sultan, Alysha; Tamnes, Christian Krog; Thomopoulos, Sophia I.; Vajdi, Ariana; Wedervang-Resell, Kirsten; Myhre, Anne Margrethe; Andreassen, Ole A.; Thompson, Paul M; Agartz, Ingrid (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Early‐onset psychosis disorders are serious mental disorders arising before the age of 18 years. Here, we investigate the largest neuroimaging dataset, to date, of patients with early‐onset psychosis and healthy controls ...
  • Lower circulating neuron-specific enolase concentrations in adults and adolescents with severe mental illness 
    Andreou, Dimitrios; Steen, Nils Eiel; Jørgensen, Kjetil Nordbø; Smelror, Runar Elle; Wedervang-Resell, Kirsten; Nerland, Stener; Westlye, Lars Tjelta; Nærland, Terje; Myhre, Anne Margrethe; Joa, Inge; Reitan, Solveig Merete Klæbo; Vaaler, Arne; Morken, Gunnar; Bøen, Erlend; Elvsåshagen, Torbjørn; Boye, Birgitte; Malt, Ulrik Fredrik; Aukrust, Pål; Skrede, Silje; Kroken, Rune Andreas; Johnsen, Erik; Djurovic, Srdjan; Andreassen, Ole; Ueland, Thor; Agartz, Ingrid (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Background Both neurodegenerative and neurodevelopmental abnormalities have been suggested to be part of the etiopathology of severe mental illness (SMI). Neuron-specific enolase (NSE), mainly located in the neuronal ...
  • Multisite reproducibility and test-retest reliability of the T1w/T2w-ratio: A comparison of processing methods 
    Nerland, Stener; Jørgensen, Kjetil Nordbø; Nordhøy, Wibeke; Maximov, Ivan; Bugge, Robin Antony Birkeland; Westlye, Lars Tjelta; Andreassen, Ole; Geier, Oliver; Agartz, Ingrid (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Background The ratio of T1-weighted (T1w) and T2-weighted (T2w) magnetic resonance imaging (MRI) images is often used as a proxy measure of cortical myelin. However, the T1w/T2w-ratio is based on signal intensities that ...
  • Negative and disorganized symptoms mediate the relationship between verbal learning and global functioning in adolescents with early-onset psychosis 
    Smelror, Runar; Rund, Bjørn Rishovd; Lonning, Vera Louise Hiorth; Jørgensen, Kjetil Nordbø; Wedervang-Resell, Kirsten; Andreassen, Ole Andreas; Ueland, Torill; Myhre, Anne Margrethe; Agartz, Ingrid (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Neurocognitive deficits are associated with impaired global functioning and psychotic symptoms. However, whether symptoms can mediate the relationship between neurocognition and global functioning in adolescent psychosis ...
  • Novel genetic loci associated with hippocampal volume 
    Hibar, Derrek; Adams, Hieab H.H.; Jahanshad, Neda; Chauhan, Ganesh; Stein, Jason L.; Hofer, Edith; Renteriá, Miguel E.; Bis, Joshua C.; Arias-Vasquez, Alejandro; Ikram, M. Kamran; Desrivières, Sylvane; Vernooij, Meike W; Abramovic, Lucija; Alhusaini, Saud; Amin, Najaf; Andersson, Micael; Arfanakis, Konstantinos; Aribisala, Benjamin S.; Armstrong, Nicola J.; Athanasiu, Lavinia; Axelsson, Tomas; Beecham, Ashley H.; Beiser, Alexa; Bernard, Manon; Blanton, Susan H.; Bohlken, Marc M.; Boks, Marco P.; Bralten, Janita; Brickman, Adam M.; Carmichael, Owen; Chakravarty, M. Mallar; Chen, Qiang; Ching, Christopher R.K.; Chouraki, Vincent; Cuellar-Partida, Gabriel; Crivello, Fabrice; Den Braber, Anouk; Doan, Nhat Trung; Ehrlich, Stefan; Giddaluru, Sudheer; Goldman, Aaron L; Gottesman, Rebecca F.; Grimm, Oliver; Griswold, Michael E.; Guadalupe, Tulio; Gutman, Boris A.; Hass, Johanna; Haukvik, Unn Kristin H.; Hoehn, David; Holmes, Avram J.; Hoogman, Martine; Janowitz, Deborah; Jia, Tianye; Jørgensen, Kjetil Nordbø; Karbalai, Nazanin; Kasperaviciute, Dalia; Kim, Sungeun; Klein, Marieke; Kraemer, Bernd; Lee, Phil H.; Liewald, David C.M.; Lopez, Lorna M.; Luciano, Michelle; MacAre, Christine; Marquand, André F.; Matarin, Mar; Mather, Karen A.; Mattheisen, Manuel; McKay, David R.; Milaneschi, Yuri; Muñoz Maniega, Susana; Nho, Kwangsik; Nugent, Allison C.; Nyquist, Paul; Loohuis, Loes M. Olde; Oosterlaan, Jaap; Papmeyer, Martina; Pirpamer, Lukas; Pütz, Benno; Ramasamy, Adaikalavan; Richards, Jennifer S.; Risacher, Shannon L.; Roiz-Santiañez, Roberto; Rommelse, Nanda; Ropele, Stefan; Rose, Emma J.; Royle, Natalie A.; Rundek, Tatjana; Sämann, Philipp G.; Saremi, Arvin; Satizabal, Claudia L.; Schmaal, Lianne; Schork, Andrew J.; Shen, Li; Shin, Jean; Shumskaya, Elena; Smith, Albert V.; Sprooten, Emma; Strike, Lachlan T.; Teumer, Alexander; Tordesillas-Gutierrez, Diana; Toro, Roberto; Trabzuni, Daniah; Trompet, Stella; Vaidya, Dhananjay; Van Der Grond, Jeroen; Van Der Lee, Sven J.; Van Der Meer, Dennis; van Donkelaar, Marjolein M.J.; Van Eijk, Kristel R.; Van Erp, Theo G.M.; Van Rooij, Daan; Walton, Esther; Westlye, Lars Tjelta; Whelan, Christopher D.; Windham, Beverly G.; Winkler, Anderson M.; Wittfeld, Katharina; Woldehawariat, Girma; Wolf, Christiane; Wolfers, Thomas; Yanek, Lisa R.; Yang, Jingyun; Zijdenbos, Alex; Zwiers, Marcel P.; Agartz, Ingrid; Almasy, Laura; Ames, David; Amouyel, Philippe; Andreassen, Ole Andreas; Arepalli, Sampath; Assareh, Amelia A.; Barral, Sandra; Bastin, Mark E.; Becker, Diane M.; Becker, James T.; Bennett, David A.; Blangero, John; Van Bokhoven, Hans; Boomsma, Dorret I.; Brodaty, Henry; Brouwer, Rachel M.; Brunner, Han G.; Buckner, Randy L.; Buitelaar, Jan K.; Bulayeva, Kazima B.; Cahn, Wiepke; Calhoun, Vince D.; Cannon, Dara M.; Cavalleri, Gianpiero L.; Cheng, Ching-Yu; Cichon, Sven; Cookson, Mark R.; Corvin, Aiden; Crespo-Facorro, Benedicto; Curran, Joanne E.; Czisch, Michael; Dale, Anders; Davies, Gareth E.; de Craen, Anton J.M.; de Geus, Eco J.C.; De Jager, Philip L.; de Zubicaray, Greig I.; Deary, Ian J.; Debette, Stéphanie; Decarli, Charles; Delanty, Norman; Depondt, Chantal; Destefano, Anita; Dillman, Allissa; Djurovic, Srdjan; Donohoe, Gary; Drevets, Wayne C.; Duggirala, Ravi; Dyer, Thomas D.; Enzinger, Christian; Erk, Susanne; Espeseth, Thomas; Fedko, Iryna O.; Fernandéz, Guillén; Ferrucci, Luigi; Fisher, Simon E.; Fleischman, Debra A.; Ford, Ian; Fornage, Myriam; Foroud, Tatiana M.; Fox, Peter T.; Francks, Clyde; Fukunaga, Masaki; Gibbs, J. Raphael; Glahn, David C.; Gollub, Randy L.; Göring, Harald H.H.; Green, Robert C.; Gruber, Oliver; Gudnason, Vilmundur; Guelfi, Sebastian; Håberg, Asta; Hansell, Narelle K.; Hardy, John; Hartman, Catharina A.; Hashimoto, Ryota; Hegenscheid, Katrin; Heinz, Andreas; Le Hellard, Stephanie; Hernandez, Dena G.; Heslenfeld, Dirk J.; Ho, Beng-Choon; Hoekstra, Pieter J.; Hoffmann, Wolfgang; Hofman, Albert; Holsboer, Florian; Homuth, Georg; Hosten, Norbert; Hottenga, Jouke-Jan; Huentelman, Matthew; Pol, Hilleke E. Hulshoff; Ikeda, Masashi; Jack, Clifford R.; Jenkinson, Mark; Johnson, Robert; Jönsson, Erik Gunnar; Jukema, J. Wouter; Kahn, René S.; Kanai, Ryota; Kloszewska, Iwona; Knopman, David S.; Kochunov, Peter; Kwok, John B.; Lawrie, Stephen M.; Lemaître, Hervé; Liu, Xinmin; Longo, Dan L.; Lopez, Oscar L.; Lovestone, Simon; Martinez, Oliver; Martinot, Jean-Luc; Mattay, Venkata S.; McDonald, Colm; McIntosh, Andrew M.; McMahon, Francis J.; McMahon, Katie L.; Mecocci, Patrizia; Melle, Ingrid; Meyer-Lindenberg, Andreas; Mohnke, Sebastian; Montgomery, Grant W.; Morris, Derek W.; Mosley, Thomas H.; Mühleisen, Thomas W.; Müller-Myhsok, Bertram; Nalls, Michael A.; Nauck, Matthias; Nichols, Thomas E.; Niessen, Wiro J.; Nöthen, Markus M.; Nyberg, Lars; Ohi, Kazutaka; Olvera, Rene L.; Ophoff, Roel A.; Pandolfo, Massimo; Paus, Tomas; Pausova, Zdenka; Penninx, Brenda W.J.H.; Pike, G. Bruce; Potkin, Steven G.; Psaty, Bruce M.; Reppermund, Simone; Rietschel, Marcella; Roffman, Joshua L.; Romanczuk-Seiferth, Nina; Rotter, Jerome I.; Ryten, Mina; Sacco, Ralph L.; Sachdev, Perminder S.; Saykin, Andrew J.; Schmidt, Reinhold; Schmidt, Helena; Schofield, Peter R.; Sigursson, Sigurdur; Simmons, Andrew; Singleton, Andrew; Sisodiya, Sanjay M.; Smith, Colin; Smoller, Jordan W.; Soininen, Hilkka; Steen, Vidar Martin; Stott, David J.; Sussmann, Jessika E; Thalamuthu, Anbupalam; Toga, Arthur W.; Traynor, Bryan J.; Troncoso, Juan; Tsolaki, Magda; Tzourio, Christophe; Uitterlinden, André G.; Hernández, Maria C. Valdés; Van Der Brug, Marcel; Van Der Lugt, Aad; Van Der Wee, Nic J.A.; van Haren, Neeltje E.M.; Van 'T Ent, Dennis; Van Tol, Marie-Jose; Vardarajan, Badri N.; Vellas, Bruno; Veltman, Dick J.; Völzke, Henry; Walter, Henrik; Wardlaw, Joanna M.; Wassink, Thomas H.; Weale, Michael E.; Weinberger, Daniel R.; Weiner, Michael W.; Wen, Wei; Westman, Eric; White, Tonya; Wong, Tien Y.; Wright, Clinton B.; Zielke, Ronald H.; Zonderman, Alan B.; Martin, Nicholas G.; Van Duijn, Cornelia M.; Wright, Margaret J.; Longstreth, William T.; Schumann, Gunter; Grabe, Hans J.; Franke, Barbara; Launer, Lenore J.; Medland, Sarah E.; Seshadri, Sudha; Thompson, Paul M.; Ikram, M. Arfan (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
  • Psychometric Properties and Diagnostic Associations of the Short-Form Community Assessment of Psychic Experiences in a Population-Based Sample of 29 021 Adult Men 
    Birkenæs, Viktoria; Bakken, Nora Refsum; Frei, Evgeniia; Jaholkowski, Piotr Pawel; Smeland, Olav Bjerkehagen; Woldeyohannes, Markos Tesfaye; Agartz, Ingrid; Susser, Ezra; Bresnahan, Michaline; Røysamb, Espen; Jørgensen, Kjetil Nordbø; Nesvåg, Ragnar; Havdahl, Alexandra; Andreassen, Ole; Sønderby, Ida Elken (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Abstract Background and Hypothesis Around 5%–7% of the adult population are estimated to have lifetime psychotic experiences (PEs), which are associated with psychosis risk. PEs assessed ...
  • Relationship between function and structure in the visual cortex in healthy individuals and in patients with severe mental disorders 
    Slapø, Nora Berz; Jørgensen, Kjetil Nordbø; Elvsåshagen, Torbjørn; Nerland, Stener; Roelfs, Daniel; Valstad, Mathias; Timpe, Clara Marie Fides; Richard, Geneviève; Beck, Dani; Sæther, Linn Sofie; Werner, Maren Caroline Frogner; Lagerberg, Trine Vik; Andreassen, Ole; Melle, Ingrid; Agartz, Ingrid; Westlye, Lars Tjelta; Moberget, Torgeir; Jonsson, Erik G.; Jönsson, Erik Gunnar (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Patients with schizophrenia spectrum disorders (SCZspect) and bipolar disorders (BD) show impaired function in the primary visual cortex (V1), indicated by altered visual evoked potential (VEP). While the neural substrate ...
  • Significant association between intracranial volume and verbal intellectual abilities in patients with schizophrenia and a history of birth asphyxia 
    Wortinger, Laura Anne; Jørgensen, Kjetil Nordbø; Barth, Claudia; Nerland, Stener; Smelror, Runar; Vaskinn, Anja; Ueland, Torill; Andreassen, Ole Andreas; Agartz, Ingrid (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Background The etiology of schizophrenia (SZ) is proposed to include an interplay between a genetic risk for disease development and the biological environment of pregnancy and birth, where early adversities may contribute ...