Original articles

Tesli N, van der Meer D, Rokicki J, Storvestre G, Røsæg C, Jensen A, Hjell G, Bell C, Fischer-Vieler T, Tesli M, Andreassen OA, Melle I, Agartz I, Haukvik UK (2020)
Hippocampal subfield and amygdala nuclei volumes in schizophrenia patients with a history of violence
Eur Arch Psychiatry Clin Neurosci
DOI 10.1007/s00406-020-01098-y, PubMed 31980898

Sørbye Ø, Dahl HJ, Eells TD, Amlo S, Hersoug AG, Haukvik UK, Hartberg CB, Høglend PA, Ulberg R (2019)
Psychodynamic case formulations without technical language: a reliability study
BMC Psychol, 7 (1), 67
DOI 10.1186/s40359-019-0337-5, PubMed 31651367

Satizabal CL, Adams HHH, Hibar DP, White CC, Knol MJ, Stein JL, Scholz M, Sargurupremraj M, Jahanshad N, Roshchupkin GV, Smith AV, Bis JC, Jian X, Luciano M, Hofer E, Teumer A, van der Lee SJ, Yang J, Yanek LR, Lee TV, Li S, Hu Y, Koh JY, Eicher JD, Desrivières S et al. (2019)
Genetic architecture of subcortical brain structures in 38,851 individuals
Nat Genet, 51 (11), 1624-1636
DOI 10.1038/s41588-019-0511-y, PubMed 31636452

Wortinger LA, Engen K, Barth C, Lonning V, Jørgensen KN, Andreassen OA, Haukvik UK, Vaskinn A, Ueland T, Agartz I (2019)
Obstetric complications and intelligence in patients on the schizophrenia-bipolar spectrum and healthy participants
Psychol Med, 1-9 (in press)
DOI 10.1017/S0033291719002046, PubMed 31456537

Favre P, Pauling M, Stout J, Hozer F, Sarrazin S, Abé C, Alda M, Alloza C, Alonso-Lana S, Andreassen OA, Baune BT, Benedetti F, Busatto GF, Canales-Rodríguez EJ, Caseras X, Chaim-Avancini TM, Ching CRK, Dannlowski U, Deppe M, Eyler LT, Fatjo-Vilas M, Foley SF, Grotegerd D, Hajek T, Haukvik UK et al. (2019)
Widespread white matter microstructural abnormalities in bipolar disorder: evidence from mega- and meta-analyses across 3033 individuals
Neuropsychopharmacology, 44 (13), 2285-2293
DOI 10.1038/s41386-019-0485-6, PubMed 31434102

Storvestre GB, Valnes LM, Jensen A, Nerland S, Tesli N, Hymer KE, Rosaeg C, Server A, Ringen PA, Jacobsen M, Andreassen OA, Agartz I, Melle I, Haukvik UK (2019)
A preliminary study of cortical morphology in schizophrenia patients with a history of violence
Psychiatry Res Neuroimaging, 288, 29-36
DOI 10.1016/j.pscychresns.2019.04.013, PubMed 31071542

Tesli N, Westlye LT, Storvestre GB, Gurholt TP, Agartz I, Melle I, Andreassen OA, Haukvik UK (2019)
White matter microstructure in schizophrenia patients with a history of violence
Eur Arch Psychiatry Clin Neurosci (in press)
DOI 10.1007/s00406-019-00988-0, PubMed 30694361

Tønnesen S, Kaufmann T, Doan NT, Alnæs D, Córdova-Palomera A, Meer DV, Rokicki J, Moberget T, Gurholt TP, Haukvik UK, Ueland T, Lagerberg TV, Agartz I, Andreassen OA, Westlye LT (2018)
White matter aberrations and age-related trajectories in patients with schizophrenia and bipolar disorder revealed by diffusion tensor imaging
Sci Rep, 8 (1), 14129
DOI 10.1038/s41598-018-32355-9, PubMed 30237410

van Erp TGM, Walton E, Hibar DP, Schmaal L, Jiang W, Glahn DC, Pearlson GD, Yao N, Fukunaga M, Hashimoto R, Okada N, Yamamori H, Bustillo JR, Clark VP, Agartz I, Mueller BA, Cahn W, de Zwarte SMC, Hulshoff Pol HE, Kahn RS, Ophoff RA, van Haren NEM, Andreassen OA, Dale AM, Doan NT et al. (2018)
Cortical Brain Abnormalities in 4474 Individuals With Schizophrenia and 5098 Control Subjects via the Enhancing Neuro Imaging Genetics Through Meta Analysis (ENIGMA) Consortium
Biol Psychiatry, 84 (9), 644-654
DOI 10.1016/j.biopsych.2018.04.023, PubMed 29960671

Hartberg CB, Lange EH, Lagerberg TV, Haukvik UK, Andreassen OA, Melle I, Agartz I (2017)
Cortical thickness, cortical surface area and subcortical volumes in schizophrenia and bipolar disorder patients with cannabis use
Eur Neuropsychopharmacol, 28 (1), 37-47
DOI 10.1016/j.euroneuro.2017.11.019, PubMed 29254657

Hibar DP, Westlye LT, Doan NT, Jahanshad N, Cheung JW, Ching CRK, Versace A, Bilderbeck AC, Uhlmann A, Mwangi B, Krämer B, Overs B, Hartberg CB, Abé C, Dima D, Grotegerd D, Sprooten E, Bøen E, Jimenez E, Howells FM, Delvecchio G, Temmingh H, Starke J, Almeida JRC, Goikolea JM et al. (2017)
Cortical abnormalities in bipolar disorder: an MRI analysis of 6503 individuals from the ENIGMA Bipolar Disorder Working Group
Mol Psychiatry, 23 (4), 932-942
DOI 10.1038/mp.2017.73, PubMed 28461699

Hibar DP, Adams HHH, Jahanshad N, Chauhan G, Stein JL, Hofer E, Renteria ME, Bis JC, Arias-Vasquez A, Ikram MK, Desrivières S, Vernooij MW, Abramovic L, Alhusaini S, Amin N, Andersson M, Arfanakis K, Aribisala BS, Armstrong NJ, Athanasiu L, Axelsson T, Beecham AH, Beiser A, Bernard M, Blanton SH et al. (2017)
Novel genetic loci associated with hippocampal volume
Nat Commun, 8, 13624
DOI 10.1038/ncomms13624, PubMed 28098162

Jørgensen KN, Nesvåg R, Nerland S, Mørch-Johnsen L, Westlye LT, Lange EH, Haukvik UK, Hartberg CB, Melle I, Andreassen OA, Agartz I (2016)
Brain volume change in first-episode psychosis: an effect of antipsychotic medication independent of BMI change
Acta Psychiatr Scand, 135 (2), 117-126
DOI 10.1111/acps.12677, PubMed 27925164

Lange EH, Nerland S, Jørgensen KN, Mørch-Johnsen L, Nesvåg R, Hartberg CB, Haukvik UK, Osnes K, Melle I, Andreassen OA, Agartz I (2016)
Alcohol use is associated with thinner cerebral cortex and larger ventricles in schizophrenia, bipolar disorder and healthy controls
Psychol Med, 47 (4), 655-668
DOI 10.1017/S0033291716002920, PubMed 27830632

Adams HH, Hibar DP, Chouraki V, Stein JL, Nyquist PA, Rentería ME, Trompet S, Arias-Vasquez A, Seshadri S, Desrivières S, Beecham AH, Jahanshad N, Wittfeld K, Van der Lee SJ, Abramovic L, Alhusaini S, Amin N, Andersson M, Arfanakis K, Aribisala BS, Armstrong NJ, Athanasiu L, Axelsson T, Beiser A, Bernard M et al. (2016)
Novel genetic loci underlying human intracranial volume identified through genome-wide association
Nat Neurosci, 19 (12), 1569-1582
DOI 10.1038/nn.4398, PubMed 27694991

Mørch-Johnsen L, Nesvåg R, Jørgensen KN, Lange EH, Hartberg CB, Haukvik UK, Kompus K, Westerhausen R, Osnes K, Andreassen OA, Melle I, Hugdahl K, Agartz I (2016)
Auditory Cortex Characteristics in Schizophrenia: Associations With Auditory Hallucinations
Schizophr Bull, 43 (1), 75-83
DOI 10.1093/schbul/sbw130, PubMed 27605526

Jørgensen KN, Nerland S, Norbom LB, Doan NT, Nesvåg R, Mørch-Johnsen L, Haukvik UK, Melle I, Andreassen OA, Westlye LT, Agartz I (2016)
Increased MRI-based cortical grey/white-matter contrast in sensory and motor regions in schizophrenia and bipolar disorder
Psychol Med, 46 (9), 1971-85
DOI 10.1017/S0033291716000593, PubMed 27049014

Dieset I, Andreassen OA, Haukvik UK (2016)
Somatic Comorbidity in Schizophrenia: Some Possible Biological Mechanisms Across the Life Span
Schizophr Bull, 42 (6), 1316-1319
DOI 10.1093/schbul/sbw028, PubMed 27033328

Hibar DP, Westlye LT, van Erp TG, Rasmussen J, Leonardo CD, Faskowitz J, Haukvik UK, Hartberg CB, Doan NT, Agartz I, Dale AM, Gruber O, Krämer B, Trost S, Liberg B, Abé C, Ekman CJ, Ingvar M, Landén M, Fears SC, Freimer NB, Bearden CE, Costa Rica/Colombia Consortium for Genetic Investigation of Bipolar Endophenotypes, Sprooten E, Glahn DC et al. (2016)
Subcortical volumetric abnormalities in bipolar disorder
Mol Psychiatry, 21 (12), 1710-1716
DOI 10.1038/mp.2015.227, PubMed 26857596

Haukvik UK, Hartberg CB, Nerland S, Jørgensen KN, Lange EH, Simonsen C, Nesvåg R, Dale AM, Andreassen OA, Melle I, Agartz I (2015)
No progressive brain changes during a 1-year follow-up of patients with first-episode psychosis
Psychol Med, 46 (3), 589-98
DOI 10.1017/S003329171500210X, PubMed 26526001

Hoseth EZ, Westlye LT, Hope S, Dieset I, Aukrust P, Melle I, Haukvik UK, Agartz I, Ueland T, Ueland T, Andreassen OA (2015)
Association between cytokine levels, verbal memory and hippocampus volume in psychotic disorders and healthy controls
Acta Psychiatr Scand, 133 (1), 53-62
DOI 10.1111/acps.12467, PubMed 26189721

Jørgensen KN, Skjærvø I, Mørch-Johnsen L, Haukvik UK, Lange EH, Melle I, Andreassen OA, Agartz I (2015)
Cigarette smoking is associated with thinner cingulate and insular cortices in patients with severe mental illness
J Psychiatry Neurosci, 40 (4), 241-9
DOI 10.1503/jpn.140163, PubMed 25672482

van Erp TG, Hibar DP, Rasmussen JM, Glahn DC, Pearlson GD, Andreassen OA, Agartz I, Westlye LT, Haukvik UK, Dale AM, Melle I, Hartberg CB, Gruber O, Kraemer B, Zilles D, Donohoe G, Kelly S, McDonald C, Morris DW, Cannon DM, Corvin A, Machielsen MW, Koenders L, de Haan L, Veltman DJ et al. (2015)
Subcortical brain volume abnormalities in 2028 individuals with schizophrenia and 2540 healthy controls via the ENIGMA consortium
Mol Psychiatry, 21 (4), 547-53
DOI 10.1038/mp.2015.63, PubMed 26033243

Mørch-Johnsen L, Nesvåg R, Faerden A, Haukvik UK, Jørgensen KN, Lange EH, Andreassen OA, Melle I, Agartz I (2015)
Brain structure abnormalities in first-episode psychosis patients with persistent apathy
Schizophr Res, 164 (1-3), 59-64
DOI 10.1016/j.schres.2015.03.001, PubMed 25818626

Hartberg CB, Jørgensen KN, Haukvik UK, Westlye LT, Melle I, Andreassen OA, Agartz I (2015)
Lithium treatment and hippocampal subfields and amygdala volumes in bipolar disorder
Bipolar Disord, 17 (5), 496-506
DOI 10.1111/bdi.12295, PubMed 25809287

Hibar DP, Stein JL, Renteria ME, Arias-Vasquez A, Desrivières S, Jahanshad N, Toro R, Wittfeld K, Abramovic L, Andersson M, Aribisala BS, Armstrong NJ, Bernard M, Bohlken MM, Boks MP, Bralten J, Brown AA, Chakravarty MM, Chen Q, Ching CR, Cuellar-Partida G, den Braber A, Giddaluru S, Goldman AL, Grimm O et al. (2015)
Common genetic variants influence human subcortical brain structures
Nature, 520 (7546), 224-9
DOI 10.1038/nature14101, PubMed 25607358

Dieset I, Haukvik UK, Melle I, Røssberg JI, Ueland T, Hope S, Dale AM, Djurovic S, Aukrust P, Agartz I, Andreassen OA (2014)
Association between altered brain morphology and elevated peripheral endothelial markers--implications for psychotic disorders
Schizophr Res, 161 (2-3), 222-8
DOI 10.1016/j.schres.2014.11.006, PubMed 25433965

Aas M, Haukvik UK, Djurovic S, Tesli M, Athanasiu L, Bjella T, Hansson L, Cattaneo A, Agartz I, Andreassen OA, Melle I (2014)
Interplay between childhood trauma and BDNF val66met variants on blood BDNF mRNA levels and on hippocampus subfields volumes in schizophrenia spectrum and bipolar disorders
J Psychiatr Res, 59, 14-21
DOI 10.1016/j.jpsychires.2014.08.011, PubMed 25246365

Haukvik UK, Westlye LT, Mørch-Johnsen L, Jørgensen KN, Lange EH, Dale AM, Melle I, Andreassen OA, Agartz I (2014)
In vivo hippocampal subfield volumes in schizophrenia and bipolar disorder
Biol Psychiatry, 77 (6), 581-8
DOI 10.1016/j.biopsych.2014.06.020, PubMed 25127742

Thompson PM, Stein JL, Medland SE, Hibar DP, Vasquez AA, Renteria ME, Toro R, Jahanshad N, Schumann G, Franke B, Wright MJ, Martin NG, Agartz I, Alda M, Alhusaini S, Almasy L, Almeida J, Alpert K, Andreasen NC, Andreassen OA, Apostolova LG, Appel K, Armstrong NJ, Aribisala B, Bastin ME et al. (2014)
The ENIGMA Consortium: large-scale collaborative analyses of neuroimaging and genetic data
Brain Imaging Behav, 8 (2), 153-82
DOI 10.1007/s11682-013-9269-5, PubMed 24399358

Nesvåg R, Schaer M, Haukvik UK, Westlye LT, Rimol LM, Lange EH, Hartberg CB, Ottet MC, Melle I, Andreassen OA, Jönsson EG, Agartz I, Eliez S (2013)
Reduced brain cortical folding in schizophrenia revealed in two independent samples
Schizophr Res, 152 (2-3), 333-8
DOI 10.1016/j.schres.2013.11.032, PubMed 24365403

Lange EH, Nesvåg R, Ringen PA, Hartberg CB, Haukvik UK, Andreassen OA, Melle I, Agartz I (2013)
One year follow-up of alcohol and illicit substance use in first-episode psychosis: does gender matter?
Compr Psychiatry, 55 (2), 274-82
DOI 10.1016/j.comppsych.2013.08.018, PubMed 24262129

Aas M, Haukvik UK, Djurovic S, Bergmann Ø, Athanasiu L, Tesli MS, Hellvin T, Steen NE, Agartz I, Lorentzen S, Sundet K, Andreassen OA, Melle I (2013)
BDNF val66met modulates the association between childhood trauma, cognitive and brain abnormalities in psychoses
Prog Neuropsychopharmacol Biol Psychiatry, 46, 181-8
DOI 10.1016/j.pnpbp.2013.07.008, PubMed 23876786

Tesli M, Egeland R, Sønderby IE, Haukvik UK, Bettella F, Hibar DP, Thompson PM, Rimol LM, Melle I, Agartz I, Djurovic S, Andreassen OA (2013)
No evidence for association between bipolar disorder risk gene variants and brain structural phenotypes
J Affect Disord, 151 (1), 291-7
DOI 10.1016/j.jad.2013.06.008, PubMed 23820096

Haukvik UK, McNeil T, Lange EH, Melle I, Dale AM, Andreassen OA, Agartz I (2013)
Pre- and perinatal hypoxia associated with hippocampus/amygdala volume in bipolar disorder
Psychol Med, 44 (5), 975-85
DOI 10.1017/S0033291713001529, PubMed 23803260

Bergmann O, Haukvik UK, Brown AA, Rimol LM, Hartberg CB, Athanasiu L, Melle I, Djurovic S, Andreassen OA, Dale AM, Agartz I (2013)
ZNF804A and cortical thickness in schizophrenia and bipolar disorder
Psychiatry Res, 212 (2), 154-7
DOI 10.1016/j.pscychresns.2013.01.007, PubMed 23562677

Haukvik UK, Rimol LM, Roddey JC, Hartberg CB, Lange EH, Vaskinn A, Melle I, Andreassen OA, Dale A, Agartz I (2013)
Normal birth weight variation is related to cortical morphology across the psychosis spectrum
Schizophr Bull, 40 (2), 410-9
DOI 10.1093/schbul/sbt005, PubMed 23419977

Nesvåg R, Bergmann Ø, Rimol LM, Lange EH, Haukvik UK, Hartberg CB, Fagerberg T, Söderman E, Jönsson EG, Agartz I (2012)
A 5-year follow-up study of brain cortical and subcortical abnormalities in a schizophrenia cohort
Schizophr Res, 142 (1-3), 209-16
DOI 10.1016/j.schres.2012.10.004, PubMed 23116883

Wirgenes KV, Sønderby IE, Haukvik UK, Mattingsdal M, Tesli M, Athanasiu L, Sundet K, Røssberg JI, Dale AM, Brown AA, Agartz I, Melle I, Djurovic S, Andreassen OA (2012)
TCF4 sequence variants and mRNA levels are associated with neurodevelopmental characteristics in psychotic disorders
Transl Psychiatry, 2, e112
DOI 10.1038/tp.2012.39, PubMed 22832956

Rimol LM, Nesvåg R, Hagler DJ, Bergmann O, Fennema-Notestine C, Hartberg CB, Haukvik UK, Lange E, Pung CJ, Server A, Melle I, Andreassen OA, Agartz I, Dale AM (2012)
Cortical volume, surface area, and thickness in schizophrenia and bipolar disorder
Biol Psychiatry, 71 (6), 552-60
DOI 10.1016/j.biopsych.2011.11.026, PubMed 22281121

Haukvik UK, Schaer M, Nesvåg R, McNeil T, Hartberg CB, Jönsson EG, Eliez S, Agartz I (2011)
Cortical folding in Broca's area relates to obstetric complications in schizophrenia patients and healthy controls
Psychol Med, 42 (6), 1329-37
DOI 10.1017/S0033291711002315, PubMed 22029970

Hartberg CB, Sundet K, Rimol LM, Haukvik UK, Lange EH, Nesvåg R, Dale AM, Melle I, Andreassen OA, Agartz I (2011)
Brain cortical thickness and surface area correlates of neurocognitive performance in patients with schizophrenia, bipolar disorder, and healthy adults
J Int Neuropsychol Soc, 17 (6), 1080-93
DOI 10.1017/S1355617711001081, PubMed 22013998

Rimol LM, Hartberg CB, Nesvåg R, Fennema-Notestine C, Hagler DJ, Pung CJ, Jennings RG, Haukvik UK, Lange E, Nakstad PH, Melle I, Andreassen OA, Dale AM, Agartz I (2010)
Cortical thickness and subcortical volumes in schizophrenia and bipolar disorder
Biol Psychiatry, 68 (1), 41-50
DOI 10.1016/j.biopsych.2010.03.036, PubMed 20609836

Hartberg CB, Lawyer G, Nyman H, Jönsson EG, Haukvik UK, Saetre P, Bjerkan PS, Andreassen OA, Hall H, Agartz I (2010)
Investigating relationships between cortical thickness and cognitive performance in patients with schizophrenia and healthy adults
Psychiatry Res, 182 (2), 123-33
DOI 10.1016/j.pscychresns.2010.01.001, PubMed 20456929

Haukvik UK, Lawyer G, Bjerkan PS, Hartberg CB, Jönsson EG, McNeil T, Agartz I (2009)
Cerebral cortical thickness and a history of obstetric complications in schizophrenia
J Psychiatr Res, 43 (16), 1287-93
DOI 10.1016/j.jpsychires.2009.05.001, PubMed 19473666

Haukvik UK, Dieset I, Bjøro T, Holte H, Fosså SD (2006)
Treatment-related premature ovarian failure as a long-term complication after Hodgkin's lymphoma
Ann Oncol, 17 (9), 1428-33
DOI 10.1093/annonc/mdl149, PubMed 16831852

Review articles

Haukvik UK, Tamnes CK, Söderman E, Agartz I (2018)
Neuroimaging hippocampal subfields in schizophrenia and bipolar disorder: A systematic review and meta-analysis
J Psychiatr Res, 104, 217-226
DOI 10.1016/j.jpsychires.2018.08.012, PubMed 30107268

Fjellvang M, Grøning L, Haukvik UK (2018)
Imaging Violence in Schizophrenia: A Systematic Review and Critical Discussion of the MRI Literature
Front Psychiatry, 9, 333
DOI 10.3389/fpsyt.2018.00333, PubMed 30083111

Haukvik UK, Hartberg CB, Agartz I (2013)
Schizophrenia--what does structural MRI show?
Tidsskr Nor Laegeforen, 133 (8), 850-3
DOI 10.4045/tidsskr.12.1084, PubMed 23612107

Hartberg CB, Sundet K, Rimol LM, Haukvik UK, Lange EH, Nesvåg R, Melle I, Andreassen OA, Agartz I (2011)
Subcortical brain volumes relate to neurocognition in schizophrenia and bipolar disorder and healthy controls
Prog Neuropsychopharmacol Biol Psychiatry, 35 (4), 1122-30
DOI 10.1016/j.pnpbp.2011.03.014, PubMed 21457744

Haukvik UK, Saetre P, McNeil T, Bjerkan PS, Andreassen OA, Werge T, Jönsson EG, Agartz I (2010)
An exploratory model for G x E interaction on hippocampal volume in schizophrenia; obstetric complications and hypoxia-related genes
Prog Neuropsychopharmacol Biol Psychiatry, 34 (7), 1259-65
DOI 10.1016/j.pnpbp.2010.07.001, PubMed 20638435

Haukvik UK, McNeil T, Nesvåg R, Söderman E, Jönsson E, Agartz I (2010)
No effect of obstetric complications on basal ganglia volumes in schizophrenia
Prog Neuropsychopharmacol Biol Psychiatry, 34 (4), 619-23
DOI 10.1016/j.pnpbp.2010.02.024, PubMed 20193725

Haukvik UK, Agartz I (2010)
[Do obstetric complications increase the risk of schizophrenia?]
Tidsskr Nor Laegeforen, 130 (3), 270-2
DOI 10.4045/tidsskr.09.0699, PubMed 20160770

Other articles

Favre P, Pauling M, Stout J, Hozer F, Sarrazin S, Abé C, Alda M, Alloza C, Alonso-Lana S, Andreassen OA, Baune BT, Benedetti F, Busatto GF, Canales-Rodríguez EJ, Caseras X, Chaim-Avancini TM, Ching CRK, Dannlowski U, Deppe M, Eyler LT, Fatjo-Vilas M, Foley SF, Grotegerd D, Hajek T, Haukvik UK et al. (2019)
Correction: Widespread white matter microstructural abnormalities in bipolar disorder: evidence from mega- and meta-analyses across 3033 individuals
Neuropsychopharmacology, 44 (13), 2298
DOI 10.1038/s41386-019-0521-6, PubMed 31527792

van Erp TG, Hibar DP, Rasmussen JM, Glahn DC, Pearlson GD, Andreassen OA, Agartz I, Westlye LT, Haukvik UK, Dale AM, Melle I, Hartberg CB, Gruber O, Kraemer B, Zilles D, Donohoe G, Kelly S, McDonald C, Morris DW, Cannon DM, Corvin A, Machielsen MW, Koenders L, de Haan L, Veltman DJ et al. (2015)
Subcortical brain volume abnormalities in 2028 individuals with schizophrenia and 2540 healthy controls via the ENIGMA consortium
Mol Psychiatry, 21 (4), 585
DOI 10.1038/mp.2015.118, PubMed 26283641