Ole Andreas Andreassen

• Aas, Monica; Djurovic, Srdjan; Athanasiu, Lavinia; Steen, Nils Eiel; Agartz, Ingrid; Lorentzen, Steinar; Sundet, Kjetil Søren et al. (2012). Serotonin transporter gene polymorphism, childhood trauma, and cognition in patietns with psychotic disorders. Schizophrenia Bulletin.  ISSN 0586-7614.  38, s 15- 22
• Aminoff, Sofie Ragnhild; Jensen, Jimmy Kristian; Lagerberg, Trine Vik; Hellvin, Tone; Sundet, Kjetil Søren; Andreassen, Ole Andreas & Melle, Ingrid (2012). An association between affective lability and executive functioning in bipolar disorder. Psychiatry Research.  ISSN 0165-1781. . doi: 10.1016/j.psychres.2011.12.044
• Andreassen, Ole Andreas & Sundet, Kjetil Søren (2012). Kognitive funksjoner ved bipolare lidelser, I: Brit Haver; Ketil Joachim Ødegaard & Ole Bernt Fasmer (red.),  Bipolare lidelser.  Fagbokforlaget.  ISBN 978-82-450-0585-1.  Kapittel 12.  s 253 - 264
• LeBlanc, Marissa; Kulle, Bettina; Sundet, Kjetil Søren; Agartz, Ingrid; Melle, Ingrid; Djurovic, Srdjan; Frigessi, Arnoldo et al. (2012). Genome-wide study indentifies PTPRO and WDR72 and FOXQ1-SUMO1P1 interaction associated with neurocognitive function. Journal of Psychiatric Research.  ISSN 0022-3956.  46, s 271- 278 . doi: 10.1016/j.jpsychires.2011.11.001
• Tandberg, Marte; Ueland, Toril; Andreassen, Ole Andreas; Sundet, Kjetil Søren & Melle, Ingrid (2012). Factors associated with occupational and academic status in patients with firs-episode psychosis with a particual focus on neurocognition. Social Psychiatry and Psychiatric Epidemiology.  ISSN 0933-7954. . doi: 10.1007/s00127-012-0477-x
• Olsen, Line; Hansen, Thomas; Djurovic, Srdjan; Haastrup, E; Albrecthsen, A; Hoeffding, LKE; Secher, A et al. (2011). Copy number variations in affective disorders and meta-analysis. Psychiatric Genetics.  ISSN 0955-8829.  21(6), s 319- 322 . doi: 10.1097/YPG.0b013e3283463deb
• Agartz, Ingrid; Brown, Andrew; Rimol, Lars Morten; Hartberg, Cecilie Bhandari; Dale, Anders M.; Melle, Ingrid; Djurovic, Srdjan et al. (2011). Common Sequence Variants in the Major Histocompatibility Complex Region Associate with Cerebral Ventricular Size in Schizophrenia. Biological Psychiatry.  ISSN 0006-3223.  70(7), s 696- 698 . doi: 10.1016/j.biopsych.2011.02.034
• Aminoff, Sofie Ragnhild; Jensen, Jimmy Kristian; Lagerberg, Trine Vik; Andreassen, Ole Andreas & Melle, Ingrid (2011). Decreased self-reported arousal in schizophrenia during aversive picture viewing compared to bipolar disorder and healthy controls. Psychiatry Research.  ISSN 0165-1781.  185(3), s 309- 314 . doi: 10.1016/j.psychres.2010.07.026
• Andreou, Dimitrios; Sætre, Peter; Kähler, Anna Katarina; Werge, Thomas; Andreassen, Ole Andreas; Agartz, Ingrid; Sedvall, Göran C. et al. (2011). Dystrobrevin-binding protein 1 gene (DTNBP1) variants associated with cerebrospinal fluid homovanillic acid and 5-hydroxyindoleacetic acid concentrations in healthy volunteers. European Neuropsychopharmacology.  ISSN 0924-977X.  21(9), s 700- 704 . doi: 10.1016/j.euroneuro.2010.12.008
• Athanasiu, Lavinia; Mattingsdal, Morten; Melle, Ingrid; Inderhaug, Elin; Lien, Trude; Agartz, Ingrid; Lorentzen, Steinar et al. (2011). Intron 12 in NTRK3 is associated with bipolar disorder. Psychiatry Research.  ISSN 0165-1781.  185(3), s 358- 362 . doi: 10.1016/j.psychres.2010.05.011
• Bakken, Trygve E.; Bloss, Cinnamon S.; Roddey, Cooper; Joyner, Alexander H.; Rimol, Lars Morten; Djurovic, Srdjan; Melle, Ingrid et al. (2011). Association of genetic variants on 15q12 with cortical thickness and cognition in schizophrenia. Archives of General Psychiatry.  ISSN 0003-990X.  68(8), s 781- 790 . doi: 10.1001/archgenpsychiatry.2011.81
• Barrett, Elisabeth Ann; Sundet, Kjetil Søren; Simonsen, Carmen Elisabeth; Agartz, Ingrid; Lorentzen, Steinar; Mehlum, Lars; Mork, Erlend et al. (2011). Neurocognitive functioning and suicidality in schizophrenia spectrum disorders. Comprehensive Psychiatry.  ISSN 0010-440X.  52(2), s 156- 163 . doi: 10.1016/j.comppsych.2010.06.001
• Berg, Akiah Ottesen; Melle, Ingrid; Røssberg, Jan Ivar; Romm, Kristin Lie; Larsson, Sara; Lagerberg, Trine Vik; Andreassen, Ole Andreas et al. (2011). Perceived discrimination is associated with severity of positive and depression/anxiety symptoms in immigrants with psychosis: a cross-sectional study. BMC Psychiatry.  ISSN 1471-244X.  11 . doi: 10.1186/1471-244X-11-77
• Bolstad, Albert; Andreassen, Ole Andreas; Røssberg, Jan Ivar; Agartz, Ingrid; Melle, Ingrid & Tanum, Lars (2011). Previous hospital admissions and disease severity predict the use of antipsychotic combination treatment in patients with schizophrenia. BMC Psychiatry.  ISSN 1471-244X.  11 . doi: 10.1186/1471-244X-11-126
• Chen, X.; Lee, G; Maher, BS; Fanous, AH; Chen, J; Zhao, Z; Guo, A et al. (2011). GWA study data mining and independent replication identify cardiomyopathy-associated 5 (CMYA5) as a risk gene for schizophrenia. Molecular Psychiatry.  ISSN 1359-4184.  16(11), s 1117- 1129 . doi: 10.1038/mp.2010.96
• Cichon, Sven; Muhleisen, Thomas W.; Degenhardt, Franziska A.; Mattheisen, Manuel; Miro, Xavier; Strohmaier, Jana; Steffens, Michael et al. (2011). Genome-wide Association Study Identifies Genetic Variation in Neurocan as a Susceptibility Factor for Bipolar Disorder. American Journal of Human Genetics.  ISSN 0002-9297.  88(3), s 372- 381 . doi: 10.1016/j.ajhg.2011.01.017
• Engh, John; Sundet, Kjetil Søren; Simonsen, Carmen Elisabeth; Vaskinn, Anja; Lagerberg, Trine Vik; Ilner, Stein E. Opjordsmoen; Friis, Svein et al. (2011). Verbal learning contributes to cognitive insight in schizophrenia independently of affective and psychotic symptoms. Progress in Neuro-psychopharmacology and Biological Psychiatry.  ISSN 0278-5846.  35(4), s 1059- 1063 . doi: 10.1016/j.pnpbp.2011.02.021
• Hansen, Thomas; Ingason, Andrés; Djurovic, Srdjan; Melle, Ingrid; Fenger, Mogens; Gustafsson, Omar; Jakobsen, Klaus D. et al. (2011). At-Risk Variant in TCF7L2 for Type II Diabetes Increases Risk of Schizophrenia. Biological Psychiatry.  ISSN 0006-3223.  70(1), s 59- 63 . doi: 10.1016/j.biopsych.2011.01.031
• Hartberg, Cecilie Bhandari; Sundet, Kjetil Søren; Rimol, Lars Morten; Haukvik, Unn Kristin H.; Lange, Elisabeth; Nesvåg, Ragnar; Dale, Anders et al. (2011). Brain Cortical Thickness and Surface Area Correlates of Neurocognitive Performance in Patients with Schizophrenia, Bipolar Disorder, and Healthy Adults. Journal of the International Neuropsychological Society.  ISSN 1355-6177.  17(6), s 1080- 1093 . doi: 10.1017/S1355617711001081
• Hartberg, Cecilie Bhandari; Sundet, Kjetil Søren; Rimol, Lars Morten; Haukvik, Unn Kristin H.; Lange, Elisabeth; Nesvåg, Ragnar; Melle, Ingrid et al. (2011). Subcortical brain volumes relate to neurocognition in schizophrenia and bipolar disorder and healthy controls. Progress in Neuro-psychopharmacology and Biological Psychiatry.  ISSN 0278-5846.  35(4), s 1122- 1130 . doi: 10.1016/j.pnpbp.2011.03.014
• Hope, Sigrun; Dieset, Ingrid; Agartz, Ingrid; Steen, Nils Eiel; Ueland, Thor; Melle, Ingrid; Aukrust, Pål et al. (2011). Affective symptoms are associated with markers of inflammation and immune activation in bipolar disorders but not in schizophrenia. Journal of Psychiatric Research.  ISSN 0022-3956.  45(12), s 1608- 1616 . doi: 10.1016/j.jpsychires.2011.08.003
• Humphreys, Keith; Grankvist, Alexander; Leu, Monica; Hall, Per; Liu, Jianjun; Ripatti, Samuli; Rehnström, Karola et al. (2011). The Genetic Structure of the Swedish Population. PLoS ONE.  ISSN 1932-6203.  6(8) . doi: 10.1371/journal.pone.0022547
• Håvik, Bjarte; Le Hellard, Stephanie; Rietschel, Marcella; Lybæk, Helle; Djurovic, Srdjan; Mattheisen, Manuel; Mühleisen, Thomas W. et al. (2011). The Complement Control-Related Genes CSMD1 and CSMD2 Associate to Schizophrenia. Biological Psychiatry.  ISSN 0006-3223.  70(1), s 35- 42 . doi: 10.1016/j.biopsych.2011.01.030
• Ingason, A; Rujescu, D; Cichon, S; Sigurdsson, E; Sigmundsson, T; Pietiläinen, OP; Buizer-Voskamp, JE et al. (2011). Copy number variations of chromosome 16p13.1 region associated with schizophrenia. Molecular Psychiatry.  ISSN 1359-4184.  16(1), s 17- 25 . doi: 10.1038/mp.2009.101
• Johansen, Ragnhild; Hestad, Knut; Iversen, Valentina Cabral; Agartz, Ingrid; Sundet, Kjetil Søren; Andreassen, Ole Andreas & Melle, Ingrid (2011). Cognitive and Clinical Factors Are Associated With Service Engagement in Early-Phase Schizophrenia Spectrum Disorders. Journal of Nervous and Mental Disease.  ISSN 0022-3018.  199(3), s 176- 182 . doi: 10.1097/NMD.0b013e31820bc2f9
• Kähler, Anna Katarina; Djurovic, Srdjan; Rimol, Lars Morten; Brown, Andrew; Athanasiu, Lavinia; Jönsson, Erik G.; Hansen, Thomas et al. (2011). Candidate Gene Analysis of the Human Natural Killer-1 Carbohydrate Pathway and Perineuronal Nets in Schizophrenia: B3GAT2 Is Associated with Disease Risk and Cortical Surface Area. Biological Psychiatry.  ISSN 0006-3223.  69(1), s 90- 96 . doi: 10.1016/j.biopsych.2010.07.035
• Koefoed, Pernille; Andreassen, Ole Andreas; Bennike, Bente; Dam, Henrik; Djurovic, Srdjan; Hansen, Thomas; Jørgensen, Martin Balslev et al. (2011). Combinations of SNPs Related to Signal Transduction in Bipolar Disorder. PLoS ONE.  ISSN 1932-6203.  6(8) . doi: 10.1371/journal.pone.0023812
• Lagerberg, Trine Vik; Sundet, Kjetil Søren; Aminoff, Sofie Ragnhild; Berg, Akiah Ottesen; Ringen, Petter Andreas; Andreassen, Ole Andreas & Melle, Ingrid (2011). Excessive cannabis use is associated with earlier age at onset in bipolar disorder. European Archives of Psychiatry and Clinical Neuroscience.  ISSN 0940-1334.  261(6), s 397- 405 . doi: 10.1007/s00406-011-0188-4
• Pers, Tune H.; Hansen, Niclas Tue; Lage, Kasper; Koefoed, Pernille; Dworzynski, Piotr; Miller, Martin Lee; Flint, Tracey J. et al. (2011). Meta-Analysis of Heterogeneous Data Sources for Genome-Scale Identification of Risk Genes in Complex Phenotypes. Genetic Epidemiology.  ISSN 0741-0395.  35(5), s 318- 332 . doi: 10.1002/gepi.20580
• Ripke, S; Sanders, AR; Kendler, Kenneth S.; Levinson, DF; Sklar, P; Holmans, PA; Lin, DY et al. (2011). Genome-wide association study identifies five new schizophrenia loci. Nature Genetics.  ISSN 1061-4036.  43(10), s 969- 976 . doi: 10.1038/ng.940
• Romm, Kristin Lie; Røssberg, Jan Ivar; Berg, Akiah Ottesen; Hansen, Charlotte F; Andreassen, Ole Andreas & Melle, Ingrid (2011). Assessment of social anxiety in first episode psychosis using the Liebowitz Social Anxiety scale as a self-report measure. European psychiatry.  ISSN 0924-9338.  26(2), s 115- 121 . doi: 10.1016/j.eurpsy.2010.08.014
• Romm, Kristin Lie; Røssberg, Jan Ivar; Hansen, Charlotte F; Haug, Elisabeth; Andreassen, Ole Andreas & Melle, Ingrid (2011). Self-esteem is associated with premorbid adjustment and positive psychotic symptoms in early psychosis. BMC Psychiatry.  ISSN 1471-244X.  11 . doi: 10.1186/1471-244X-11-136
• Saetre, Peter; Vares, Maria; Werge, Thomas; Andreassen, Ole Andreas; Arinami, Tadao; Ishiguro, Hiroki; Nanko, Shinichiro et al. (2011). Methylenetetrahydrofolate Reductase (MTHFR) C677T and A1298C Polymorphisms and Age of Onset in Schizophrenia: A Combined Analysis of Independent Samples. American Journal of Medical Genetics.  ISSN 0148-7299.  156B(2), s 215- 224 . doi: 10.1002/ajmg.b.31160
• Schøyen, Helle Kristine; Birkenæs, Astrid Brate; Vaaler, Arne; Auestad, Bjørn Henrik; Malt, Ulrik Fredrik; Andreassen, Ole Andreas & Morken, Gunnar (2011). Bipolar disorder patients have similar levels of education but lower socio-economis status than the general population. Journal of Affective Disorders.  ISSN 0165-0327.  129(1-3), s 68- 74 . doi: 10.1016/j.jad.2010.08.012
• Schøyen, Helle Kristine; Vaaler, Arne; Auestad, Bjørn; Malt, Ulrik Fredrik; Melle, Ingrid; Andreassen, Ole Andreas & Morken, Gunnar (2011). Despite clinical differences, bipolar disorder patients from acute wards and outpatient clinics have similar educational and disability levels compared to the general population. Journal of Affective Disorders.  ISSN 0165-0327.  132(1-2), s 209- 215 . doi: 10.1016/j.jad.2011.02.025
• Simonsen, Carmen Elisabeth; Sundet, Kjetil Søren; Vaskinn, Anja; Birkenæs, Astrid Brate; Engh, John; Færden, Ann; Jónsdóttir, Halldóra et al. (2011). Neurocognitive dysfunction in bipolar and schizophrenia spectrum disorders depends on history of psychosis rather than diagnostic group. Schizophrenia Bulletin.  ISSN 0586-7614.  37(1), s 73- 83 . doi: 10.1093/schbul/sbp034
• Sklar, Pamela; Ripke, S; Scott, LJ; Andreassen, Ole Andreas; Cichon, S; Craddock, N; Edenberg, HJ et al. (2011). Large-scale genome-wide association analysis of bipolar disorder identifies a new susceptibility locus near ODZ4. Nature Genetics.  ISSN 1061-4036.  43(10), s 977- 983 . doi: 10.1038/ng.943
• Steen, Nils Eiel; Lorentzen, Steinar; Barrett, Elisabeth Ann; Lagerberg, Trine Vik; Hope, Sigrun; Larsson, Sara; Berg, Akiah Ottesen et al. (2011). Sex-specific cortisol levels in bipolar disorder and schizophrenia during mental challenge - Relationship to clinical characteristics and medication. Progress in Neuro-psychopharmacology and Biological Psychiatry.  ISSN 0278-5846.  35(4), s 1100- 1107 . doi: 10.1016/j.pnpbp.2011.03.008
• Steen, Nils Eiel; Methlie, Paal; Lorentzen, Steinar; Hope, Sigrun; Barrett, Elisabeth Ann; Larsson, Sara; Mork, Erlend et al. (2011). Increased systemic cortisol metabolism in patients with schizophrenia and bipolar disorder: a mechanism for increased stress vulnerability?. Journal of Clinical Psychiatry.  ISSN 0160-6689.  72(11), s 1515- 1521 . doi: 10.4088/JCP.10m06068yel
• Steinberg, S.; Mors, O.; Børglum, A.D.; Gustafsson, Omar; Werge, T; Mortensen, P. B.; Andreassen, Ole Andreas et al. (2011). Expanding the range of ZNF804A variants conferring risk of psychosis. Molecular Psychiatry.  ISSN 1359-4184.  16(1), s 59- 66 . doi: 10.1038/mp.2009.149
• Steinberg, S; de Jong, Simone; Andreassen, Ole Andreas; Werge, T; Borglum, AD; Mors, O; Mortensen, PB et al. (2011). Common variants at VRK2 and TCF4 conferring risk of schizophrenia. Human Molecular Genetics.  ISSN 0964-6906.  20(20), s 4076- 4081 . doi: 10.1093/hmg/ddr325
• Sulem, Patrick; Gudbjartsson, Daniel F.; Walters, G. Bragi; Helgadottir, Hafdis T.; Helgason, Agnar; Gudjonsson, Sigurjon A.; Zanon, Carlo et al. (2011). Identification of low-frequency variants associated with gout and serum uric acid levels. Nature Genetics.  ISSN 1061-4036.  43(11), s 1127- U119 . doi: 10.1038/ng.972
• Tesli, Martin Steen; Koefoed, Pernille; Athanasiu, Lavinia; Mattingsdal, Morten; Gustafsson, Omar; Agartz, Ingrid; Rimol, Lars Morten et al. (2011). Association Analysis of ANK3 Gene Variants in Nordic Bipolar Disorder and Schizophrenia Case-Control Samples. American Journal of Medical Genetics Part B: Neuropsychiatric Genetics.  ISSN 1552-4841.  156B(8), s 969- 974 . doi: 10.1002/ajmg.b.31244
• van Schijndel, Jessica E; van Zweeden, Martine; van Loo, Karen M.J.; Djurovic, Srdjan; Andreassen, Ole Andreas; Hansen, Thomas; Werge, Thomas et al. (2011). Dual association of a TRKA polymorphism with schizophrenia. Psychiatric Genetics.  ISSN 0955-8829.  21(3), s 125- 131 . doi: 10.1097/YPG.0b013e3283437194
• Vaskinn, Anja; Sundet, Kjetil Søren; Simonsen, Carmen Elisabeth; Hellvin, Tone; Melle, Ingrid & Andreassen, Ole Andreas (2011). Sex differences in neuropsychological performance and social functioning in schizophrenia and bipolar disorder. Neuropsychology.  ISSN 0894-4105.  25, s 499- 510 . doi: 10.1037/a0022677
• Athanasiu, Lavinia; Mattingsdal, Morten; Kähler, Anna Katarina; Brown, Andrew; Gustafsson, Omar; Agartz, Ingrid; Giegling, Ina et al. (2010). Gene variants associated with schizophrenia in a Norwegian genome-wide study are replicated in a large European cohort. Journal of Psychiatric Research.  ISSN 0022-3956.  44(12), s 748- 753 . doi: 10.1016/j.jpsychires.2010.02.002
• Rimol, Lars Morten; Agartz, Ingrid; Djurovic, Srdjan; Brown, Andrew; Roddey, J Cooper; Kähler, Anna Katarina; Mattingsdal, Morten et al. (2010). Sex-dependent association of common variants of microcephaly genes with brain structure. Proceedings of the National Academy of Science of the United States of America.  ISSN 0027-8424.  107(1), s 384- 388 . doi: 10.1073/pnas.0908454107
• Andreou, Dimitrios; Sætre, Peter; Werge, Thomas; Andreassen, Ole Andreas; Agartz, Ingrid; Sedvall, Göran C.; Hall, Håkan et al. (2010). Tryptophan hydroxylase gene 1 (TPH1) variants associated with cerebrospinal fluid 5-hydroxyindole acetic acid and homovanillic acid concentrations in healthy volunteers.. Psychiatry Research.  ISSN 0165-1781.  180(2-3), s 63- 67 . doi: 10.1016/j.psychres.2009.11.018
• Barrett, Elisabeth Ann; Sundet, Kjetil Søren; Færden, Ann; Agartz, Ingrid; Bratlien, Unni; Romm, Kristin Lie; Mork, Erlend et al. (2010). Suicidality in first episode psychosis is associated with insight and negative beliefs about psychosis. Schizophrenia Research.  ISSN 0920-9964.  123(2-3), s 257- 262 . doi: 10.1016/j.schres.2010.07.018
• Barrett, Elizabeth Ann; Sundet, Kjetil Søren; Færden, Ann; Nesvåg, Ragnar; Agartz, Ingrid; Fosse, Roar; Mork, Erlend et al. (2010). Suicidality before and in the early phases of first episode psychosis. Schizophrenia Research.  ISSN 0920-9964.  119(1-3), s 11- 17 . doi: 10.1016/j.schres.2010.03.022
• Berg, Akiah Ottesen; Melle, Ingrid; Torjesen, Peter A; Lien, Lars; Hauff, Edvard & Andreassen, Ole Andreas (2010). A Cross-Sectional Study of Vitamin D Deficiency Among Immigrants and Norwegians With Psychosis Compared to the General Population. Journal of Clinical Psychiatry.  ISSN 0160-6689.  71(12), s 1598- 1604 . doi: 10.4088/JCP.09m05299yel
• Djurovic, Srdjan; Gustafsson, Omar; Mattingsdal, Morten; Athanasiu, Lavinia; Bjella, Thomas; Tesli, Martin Steen; Agartz, Ingrid et al. (2010). A genome-wide association study of bipolar disorder in Norwegian individuals, followed by replication in Icelandic sample. Journal of Affective Disorders.  ISSN 0165-0327.  126(1-2), s 312- 316 . doi: 10.1016/j.jad.2010.04.007
• Engh, John; Friis, Svein; Birkenæs, Astrid Brate; Jónsdóttir, Halldóra; Klungsøyr, Ole; Ringen, Petter Andreas; Simonsen, Carmen Elisabeth et al. (2010). Delusions Are Associated With Poor Cognitive Insight in Schizophrenia. Schizophrenia Bulletin.  ISSN 0586-7614.  36(4), s 830- 835 . doi: 10.1093/schbul/sbn193
• Færden, Ann; Finset, Arnstein; Friis, Svein; Agartz, Ingrid; Barrett, Elisabeth Ann; Nesvåg, Ragnar; Andreassen, Ole Andreas et al. (2010). Apathy in first episode psychosis patients: One year follow up. Schizophrenia Research.  ISSN 0920-9964.  116(1), s 20- 26 . doi: 10.1016/j.schres.2009.10.014
• Haatveit, Beathe Christin; Sundet, Kjetil Søren; Hugdahl, Kenneth; Ueland, Toril; Melle, Ingrid & Andreassen, Ole Andreas (2010). The validity of d prime as a working memory index: Results from the "Bergen n-back task". Journal of Clinical and Experimental Neuropsychology.  ISSN 1380-3395.  32(8), s 871- 880 . doi: 10.1080/13803391003596421
• Hartberg, Cecilie Bhandari; Lawyer, David Glenn; Nyman, Håkan; Jönsson, Erik G.; Haukvik, Unn Kristin H.; Saetre, Peter; Bjerkan, Petr Szulc et al. (2010). Investigating relationships between cortical thickness and cognitive performance in patients with schizophrenia and healthy adults. Psychiatry Research : Neuroimaging.  ISSN 0925-4927.  182(2), s 123- 133 . doi: 10.1016/j.pscychresns.2010.01.001
• Haukvik, Unn Kristin H.; Saetre, P; McNeil, TF; Bjerkan, Petr Szulc; Andreassen, Ole Andreas; Werge, T; Jonsson, EG et al. (2010). An exploratory model for G x E interaction on hippocampal volume in schizophrenia; obstetric complications and hypoxia-related genes. Progress in Neuro-psychopharmacology and Biological Psychiatry.  ISSN 0278-5846.  34(7), s 1259- 1265 . doi: 10.1016/j.pnpbp.2010.07.001
• Hellvin, Tone; Sundet, Kjetil Søren; Vaskinn, Anja; Simonsen, Carmen Elisabeth; Ueland, Toril; Andreassen, Ole Andreas & Melle, Ingrid (2010). Validation of the Norwegian version of the Social Functioning Scale (SFS) for schizophrenia and bipolar disorder. Scandinavian Journal of Psychology.  ISSN 0036-5564.  51(6), s 525- 533 . doi: 10.1111/j.1467-9450.2010.00839.x
• Hope, Sigrun; Melle, Ingrid; Aukrust, Pål; Agartz, Ingrid; Lorentzen, Steinar; Djurovic, Srdjan; Steen, Nils Eiel et al. (2010). Osteoprotegerin levels in patients with severe mental disorders. Journal of Psychiatry & Neuroscience.  ISSN 1180-4882.  35(5), s 304- 310 . doi: 10.1503/jpn.090088
• Ingason, Andres; Giegling, Ina; Cichon, Sven; Hansen, Thomas; Rasmussen, Henrik B; Nielsen, Jimmi; Jurgens, Gesche et al. (2010). A large replication study and meta-analysis in European samples provides further support for association of AHI1 markers with schizophrenia. Human Molecular Genetics.  ISSN 0964-6906.  19(7), s 1379- 1386 . doi: 10.1093/hmg/ddq009
• Jónsdóttir, Halldóra; Ilner, Stein E. Opjordsmoen; Birkenæs, Astrid Brate; Engh, John; Ringen, Petter Andreas; Vaskinn, Anja; Aamo, Trond Oskar et al. (2010). Medication Adherence in Outpatients With Severe Mental Disorders Relation Between Self-Reports and Serum Level. Journal of Clinical Psychopharmacology.  ISSN 0271-0749.  30(2), s 169- 175 . doi: 10.1097/JCP.0b013e3181d2191e
• Kähler, Anna Katarina; Otnæss, Mona Kolstø; Wirgenes, Katrine; Hansen, Thomas; Jönsson, Erik; Agartz, Ingrid; Hall, Håkan et al. (2010). Association Study of PDE48 gene variants in Scandinavian schizophrenia and bipolar disorder multicenter case-control samples. American Journal of Medical Genetics.  ISSN 0148-7299.  153B(1), s 86- 96 . doi: 10.1002/ajmg.b.30958
• Kessler, Ute; Vaaler, Arne E.; Schøyen, Helle; Ødegaard, Ketil Joachim; Bergsholm, Per; Andreassen, Ole Andreas; Malt, Ulrik Fredrik et al. (2010). The study protocol of the Norwegian randomized controlled trial of electroconvulsive therapy in treatment resistant depression in bipolar disorder. BMC Psychiatry.  ISSN 1471-244X.  10 . doi: 10.1186/1471-244X-10-16
• Lagerberg, Trine Vik; Andreassen, Ole Andreas; Ringen, Petter Andreas; Berg, Akiah Ottesen; Larsson, Sara; Agartz, Ingrid; Sundet, Kjetil Søren et al. (2010). Excessive substance use in bipolar disorder is associated with impaired functioning rather than clinical characteristics, a descriptive study. BMC Psychiatry.  ISSN 1471-244X.  10(9) . doi: 10.1186/1471-244X-10-9
• Lagerberg, Trine Vik; Larsson, Sara; Sundet, Kjetil Søren; Hansen, Charlotte F; Hellvin, Tone; Andreassen, Ole Andreas & Melle, Ingrid (2010). Treatment Delay and Excessive Substance Use in Bipolar Disorder. Journal of Nervous and Mental Disease.  ISSN 0022-3018.  198(9), s 628- 633 . doi: 10.1097/NMD.0b013e3181ef3ef4
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• Le Hellard, Stephanie; Mühleisen, Thomas W.; Djurovic, Srdjan; Fernø, Johan; Ouriaghi, Zohra; Mattheisen, Manuel; Vasilescu, Catalina et al. (2010). Polymorphisms in SREBF1 and SREBF2, two antipsychotic-activated transcription factors controlling cellular lipogenesis, are associated with schizophrenia in German and Scandinavian samples. Molecular Psychiatry.  ISSN 1359-4184.  15(5), s 463- 472 . doi: 10.1038/mp.2008.110
• Nesvåg, Ragnar; Lange, Elisabeth; Færden, Ann; Barrett, Elisabeth Ann; Emilsson, Bjørn; Ringen, Petter Andreas; Andreassen, Ole Andreas et al. (2010). The use of screening instruments for detecting alcohol and other drug use disorders in first-episode psychosis. Psychiatry Research.  ISSN 0165-1781.  177(1-2), s 228- 234 . doi: 10.1016/j.psychres.2010.01.007
• Rimol, Lars Morten; Hartberg, Cecilie Bhandari; Nesvåg, Ragnar; Fennema-Notestine, C; Hagler, DJ; Pung, CJ; Jennings, RG et al. (2010). Cortical Thickness and Subcortical Volumes in Schizophrenia and Bipolar Disorder. Biological Psychiatry.  ISSN 0006-3223.  68(1), s 41- 50 . doi: 10.1016/j.biopsych.2010.03.036
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• Saetre, Peter; Lundmark, P; Wang, August G.; Hansen, Thomas; Rasmussen, Henrik B; Djurovic, Srdjan; Melle, Ingrid et al. (2010). The Tryptophan Hydroxylase 1 (TPH1) Gene, Schizophrenia Susceptibility, and Suicidal Behavior: A Multi-Centre Case-Control Study and Meta-Analysis. American Journal of Medical Genetics.  ISSN 0148-7299.  153B(2), s 387- 396 . doi: 10.1002/ajmg.b.30991
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• Aas, Monica; Djurovic, Srdjan; Athanasiu, Lavinia; Steen, Nils Eiel; Agartz, Ingrid; Lorentzen, Steinar; Sundet, Kjetil Søren et al. (2011). SEROTONIN TRANSPORTER GENE POLYMORPHISMS, CHILDHOOD TRAUMA AND COGNITION IN PATIENTS WITH PSYCHOTIC DISORDERS. Schizophrenia Bulletin.  ISSN 0586-7614.  37, s 80- 80
• Caprini, Sara; Saetre, Peter; Melle, Ingrid; Djurovic, Srdjan; Andreassen, Ole Andreas; Skjødt, Celina; Duong, Linh et al. (2011). Lack of association between two dopamine D2 receptor gene polymorphisms and schizophrenia. Psychiatric Genetics.  ISSN 0955-8829.  21(4), s 214- 215 . doi: 10.1097/YPG.0b013e328341e020
• Finseth, Per Ivar; Morken, Gunnar; Andreassen, Ole Andreas; Malt, Ulrik Fredrik & Vaaler, Arne (2011). Risk factors of suicidal behaviour in acutely admitted bipolar disorder patients.
• Finseth, Per Ivar; Morken, Gunnar; Andreassen, Ole Andreas; Malt, Ulrik Fredrik & Vaaler, Arne (2011). Risk factors of suicidal behaviour in acutely admitted bipolar disorder patients. Bipolar Disorders.  ISSN 1398-5647.  13, s 45- 45
• Holtze, Maria; Saetre, Peter; Erhardt, Sophie; Schwieler, Lilly; Werge, Thomas; Hansen, Thomas; Nielsen, Jimmi et al. (2011). Kynurenine 3-monooxygenase (KMO) polymorphisms in schizophrenia: An association study. Schizophrenia Research.  ISSN 0920-9964.  127(1-3), s 270- 272 . doi: 10.1016/j.schres.2010.10.002
• Hope, Sigrun; Melle, Ingrid; Ueland, Thor; Lorentzen, Steinar; Steen, Nils Eiel; Berg, Akiah Ottesen; Dieset, Ingrid et al. (2011). INTERLEUKIN 1 RECEPTOR ANTAGONIST AND TUMOR NECROSIS FACTOR RECEPTOR 1 ARE ASSOCIATED WITH GENERAL SEVERITY AND PSYCHOTIC SYMPTOMS IN SCHIZOPHRENIA AND BIPOLAR DISORDER. Schizophrenia Bulletin.  ISSN 0586-7614.  37, s 115- 116
• Ringen, Petter Andreas; Melle, Ingrid; Berg, Akiah Ottesen; Simonsen, Carmen Elisabeth; Agartz, Ingrid; Sundet, Kjetil Søren & Andreassen, Ole Andreas (2011). THC IN URINE IN SCHIZOPHRENIA: ASSOCIATIONS WITH SYMPTOM LEVELS AND NEUROCOGNITIVE FUNCTIONING. Schizophrenia Bulletin.  ISSN 0586-7614.  37, s 279- 280
• Vaskinn, Anja; Simonsen, Carmen Elisabeth; Hellvin, Tone; Melle, Ingrid; Andreassen, Ole Andreas & Sundet, Kjetil Søren (2011). SEX DIFFERENCES IN NEUROCOGNITIVE PERFORMANCE ACROSS PSYCHOTIC DISORDERS. Schizophrenia Bulletin.  ISSN 0586-7614.  37, s 255- 255
• Wegener, Gregers & Andreassen, Ole Andreas (2011). Acta Neuropsychiatrica and Scandinavian College of Neuropsychopharmacology (SCNP). Acta Neuropsychiatrica.  ISSN 0924-2708.  23(5), s 199- 200 . doi: 10.1111/j.1601-5215.2011.00602.x
• Schøyen, Helle Kristine; Birkenæs, Astrid B.; Vaaler, Arne; Auestad, Bjørn H; Malt, Ulrik Fredrik; Andreassen, Ole Andreas & Morken, Gunnar (2010). Social, occupational and educational function in a representative sample of bipolar patients compared with the general population.
• Andreassen, Ole Andreas; Simonsen, Carmen Elisabeth & Sundet, Kjetil Søren (2010). Neurocognition and psychosocial function in bipolar disorder. European Neuropsychopharmacology.  ISSN 0924-977X.  20, s S197- S197
• Finseth, Per Ivar; Morken, Gunnar; Malt, Ulrik Fredrik; Andreassen, Ole Andreas & Vaaler, Arne (2010). Life-time suicide attempts in acutely admitted inpatients with bipolar disorder. European Neuropsychopharmacology.  ISSN 0924-977X.  20, s S411- S412
• Kessler, Ute; Schøyen, Helle Kristine; Vaaler, Arne; Ødegaard, Ketil Joachim; Bergsholm, Per; Andreassen, Ole Andreas; Malt, Ulrik Fredrik et al. (2010). The study protocol of the Norwegian randomized controlled trial of electroconvulsive therapy in treatment resistant depression in bipolar disorder. European psychiatry.  ISSN 0924-9338.  25, s 269 . doi: 10.1016/S0924-9338(10)70268-6
• Rimol, Lars Morten; Hartberg, Cecilie Bhandari; Nesvåg, Ragnar; Fennema-Notestine, Christine; Hagler, D.; Pung, CJ; Jennings, RG et al. (2010). CORTICAL THICKNESS AND SUBCORTICAL VOLUMES IN SCHIZOPHRENIA AND BIPOLAR DISORDER. Schizophrenia Research.  ISSN 0920-9964.  117(2-3), s 459- 459 . doi: 10.1016/j.schres.2010.02.857
• Saetre, P; Agartz, Ingrid; De Franciscis, A; Lundmark, P; Djurovic, Srdjan; Melle, Ingrid; Andreassen, Ole Andreas et al. (2009). ASSOCIATION BETWEEN THE TRYPTOPHAN HYDROXYLASE 1 (TPH1) GENE, SCHIZOPHRENIA SUSCEPTIBILITY, AND SUICIDAL BEHAVIOR. Schizophrenia Bulletin.  ISSN 0586-7614.  35, s 121- 121
• Amino, SR; Jensen, Jimmy Kristian; Lagerberg, Trine Vik; Andreassen, Ole Andreas & Melle, Ingrid (2009). Decreased reported arousal of aversive affective stimuli in schizophrenia and bipolar disorder. Bipolar Disorders.  ISSN 1398-5647.  11, s 16- 16
• Barrett, Elizabeth Ann; Sundet, Kjetil Søren; Simonsen, Carmen Elisabeth; Agartz, Ingrid; Lorentzen, Steinar; Mehlum, Lars; Mork, Erlend et al. (2009). SUICIDE ATTEMPTS AND NEUROCOGNITIVE FUNCTIONING IN SCHIZOPHRENIA SPECTRUM DISORDERS. Schizophrenia Bulletin.  ISSN 0586-7614.  35, s 279- 279
• Berg, Akiah Ottesen; Melle, Ingrid; Aminoff, SR; Andreassen, Ole Andreas & Hauff, Edvard (2009). HEIGHTENED RATES OF SCHIZOAFFECTIVE DISORDER AMONG IMMIGRANTS? A CROSS-SECTIONAL STUDY. Schizophrenia Bulletin.  ISSN 0586-7614.  35, s 2- 2

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