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Ystaas LAR, Parekh P, Parker N, Akkouh I, Birkenæs V, Sønderby IE, Koch E, Hagen E, Frei O, Shadrin A, Andreassen OA, O'Connell KS(2026) Genetic liability to addiction underlies comorbid bipolar and substance use disorders Biol Psychiatry(in press) DOI 10.1016/j.biopsych.2026.08.008, PubMed 42636965
Parekh P, Parker N, Pecheva D, Frei E, Vaudel M, Smith DM, Rigby A, Jahołkowski P, Sønderby IE, Birkenæs V, Bakken NR, Fan CC, Makowski C, Kopal J, Loughnan R, Hagler DJ, van der Meer D, Johansson S, Njølstad PR, Jernigan TL, Thompson WK, Frei O, Shadrin AA, Nichols TE, Andreassen OA, Dale AM(2026) FEMA-Long: Modeling unstructured covariances for discovery of time-dependent effects in large-scale longitudinal datasets PLoS Genet, 22(6), e1012184 DOI 10.1371/journal.pgen.1012184, PubMed 42275417
Korbmacher M, Boen R, Andreassen OA, Westlye LT, Sønderby IE, Maximov II(2026) White matter microstructure differences between 15q11.2 copy number variation carriers and non-carriers in mid-to-late life Transl Psychiatry, 16(1) DOI 10.1038/s41398-026-03962-2, PubMed 41856989
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Gurholt TP, Beck D, Voldsbekk I, Parker N, Askeland-Gjerde DE, de Lange AG, van der Meer D, Tamnes CK, Thompson PM, Sønderby IE, Maximov II, Westlye LT, Andreassen OA(2026) Linking obesity with white matter microstructure highlights the importance of brainstem tracts and sex differences Brain Commun, 8(1), fcag026 DOI 10.1093/braincomms/fcag026, PubMed 41717138
van der Meer D, Shadrin AA, Stinson SE, Koch E, Rokicki J, Rahman Z, Bergstedt J, Ottas A, Sønderby IE, Rødevand L, Fuhrer J, Quintana DS, Dale AM, O'Connell KS, Djurovic S, Lehto K, Milani L, Alver M, Andreassen OA(2026) Divergent Patterns of Genetic Overlap Between Severe Mental Disorders and Metabolic Markers Am J Psychiatry, 183(7), 482-493 DOI 10.1176/appi.ajp.20250259, PubMed 41703690
Hope S, Lin A, Rodevand L, Hübenette SJ, Quintana DS, Sønderby IE, Cheng W, Frei O, Bahrami S, Hindley GFL, Kaale A, Shadrin AA, O'Connell KS, Parker N, Djurovic S, Nærland T, Andreassen OA(2025) Shared genetic architecture between autism spectrum disorder, loneliness, and social isolation reveals novel genetic loci Psychiatr Genet, 36(1), 13-25 DOI 10.1097/YPG.0000000000000406, PubMed 41263488
Birkenæs V, Parekh P, Hegemann L, Bakken NR, Frei E, Jaholkowski P, Smeland OB, Susser E, Rodriguez KM, Tesfaye M, Andreassen OA, Havdahl A, Sønderby IE(2025) Youth psychotic experiences: psychometric evaluation and diagnostic associations of the CAPE-16 in adolescents from the Norwegian Mother, Father and Child Cohort J Child Psychol Psychiatry, 67(1), 27-40 DOI 10.1111/jcpp.70007, PubMed 40759589
van der Meer D, Rahman Z, Ottas A, Parekh P, Kutrolli G, Stinson SE, Koromina M, Rokicki J, Sønderby IE, Parker N, Tesfaye M, Hindley G, Rødevand LN, Koch E, Estonian Biobank Research Team, Steen NE, Berg JP, O'Connell KS, Smeland OB, Frei O, Dale AM, Djurovic S, Lehto K, Alver M, Milani L, Shadrin AA, Andreassen OA(2025) Pleiotropic and sex-specific genetic mechanisms of circulating metabolic markers Nat Commun, 16(1), 4961 DOI 10.1038/s41467-025-60058-z, PubMed 40436851
Silva AI, Sønderby IE, Kirov G, Abdellaoui A, Agartz I, Ames D, Armstrong NJ, Artiges E, Banaschewski T, Bassett AS, Bearden CE, Blangero J, Boen R, Boomsma DI, Bülow R, Butcher NJ, Calhoun V, Campbell LE, Chow EWC, Ciufolini S, Craig MC, Crespo-Farroco B, Cunningham AC, Dalvie S, Daly E, Dazzan P, de Geus EJC, de Zubicaray GI, Doherty JL, Donohoe Get al.(2025) Penetrance of Neurodevelopmental Copy Number Variants Is Associated With Variations in Cortical Morphology Biol Psychiatry Cogn Neurosci Neuroimaging, 10(10), 1093-1106 DOI 10.1016/j.bpsc.2025.05.010, PubMed 40414598
Koch E, Smart S, Einarsson G, Kämpe A, Jonsson L, Alver M, Iveson M, Göteson A, Pardiñas AF, Sønderby IE, O'Connell KS, Li Q, Lu Y, Stefánsson H, Stefánsson K, Whalley H, Landén M, O'Donovan MC, Smerud K, Dawson GR, Werge T, Buil A, Reif A, Milani L, Molden E, Fabbri C, Serretti A, Walters J, Lewis CM, Andreassen OA(2025) Recommendations for defining treatment outcomes in major psychiatric disorders using real-world data Lancet Psychiatry, 12(6), 457-468 DOI 10.1016/S2215-0366(25)00061-6, PubMed 40222385
Gurholt TP, Elvsåshagen T, Bahrami S, Rahman Z, Shadrin A, Askeland-Gjerde DE, van der Meer D, Frei O, Kaufmann T, Sønderby IE, Halvorsen S, Westlye LT, Andreassen OA(2024) Large-scale brainstem neuroimaging and genetic analyses provide new insights into the neuronal mechanisms of hypertension HGG Adv, 6(1), 100392 DOI 10.1016/j.xhgg.2024.100392, PubMed 39663699
Szabo A, O'Connell KS, Akkouh IA, Ueland T, Sønderby IE, Hope S, Røe AB, Dønnum MS, Sjaastad I, Steen NE, Ueland T, Sæther LS, Osete JR, Andreassen OA, Nærland T, Djurovic S(2024) Elevated levels of peripheral and central nervous system immune markers reflect innate immune dysregulation in autism spectrum disorder Psychiatry Res, 342, 116245 DOI 10.1016/j.psychres.2024.116245, PubMed 39481220
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Andersson P, Linge J, Gurholt TP, Sønderby IE, Hindley G, Andreassen OA, Dahlqvist Leinhard O(2024) Poor muscle health and cardiometabolic risks associated with antidepressant treatment Obesity (Silver Spring), 32(10), 1857-1869 DOI 10.1002/oby.24085, PubMed 39315407
Akdeniz BC, Frei O, Hagen E, Filiz TT, Karthikeyan S, Pasman J, Jangmo A, Bergstedt J, Shorter JR, Zetterberg R, Meijsen J, Sønderby IE, Buil A, Tesli M, Lu Y, Sullivan P, Andreassen OA, Hovig E(2024) COSGAP: COntainerized Statistical Genetics Analysis Pipelines Bioinform Adv, 4(1), vbae067 DOI 10.1093/bioadv/vbae067, PubMed 38808072
Kopal J, Kumar K, Shafighi K, Saltoun K, Modenato C, Moreau CA, Huguet G, Jean-Louis M, Martin CO, Saci Z, Younis N, Douard E, Jizi K, Beauchamp-Chatel A, Kushan L, Silva AI, van den Bree MBM, Linden DEJ, Owen MJ, Hall J, Lippé S, Draganski B, Sønderby IE, Andreassen OA, Glahn DC, Thompson PM, Bearden CE, Zatorre R, Jacquemont S, Bzdok D(2024) Author Correction: Using rare genetic mutations to revisit structural brain asymmetry Nat Commun, 15(1), 3098 DOI 10.1038/s41467-024-47545-5, PubMed 38600109
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Gurholt TP, Borda MG, Parker N, Fominykh V, Kjelkenes R, Linge J, van der Meer D, Sønderby IE, Duque G, Westlye LT, Aarsland D, Andreassen OA(2024) Linking sarcopenia, brain structure and cognitive performance: a large-scale UK Biobank study Brain Commun, 6(2), fcae083 DOI 10.1093/braincomms/fcae083, PubMed 38510210
Boen R, Kaufmann T, van der Meer D, Frei O, Agartz I, Ames D, Andersson M, Armstrong NJ, Artiges E, Atkins JR, Bauer J, Benedetti F, Boomsma DI, Brodaty H, Brosch K, Buckner RL, Cairns MJ, Calhoun V, Caspers S, Cichon S, Corvin AP, Crespo-Facorro B, Dannlowski U, David FS, de Geus EJC, de Zubicaray GI, Desrivières S, Doherty JL, Donohoe G, Ehrlich Set al.(2023) Beyond the Global Brain Differences: Intraindividual Variability Differences in 1q21.1 Distal and 15q11.2 BP1-BP2 Deletion Carriers Biol Psychiatry, 95(2), 147-160 DOI 10.1016/j.biopsych.2023.08.018, PubMed 37661008
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Boen R, Kaufmann T, Frei O, van der Meer D, Djurovic S, Andreassen OA, Selmer KK, Alnæs D, Sønderby IE(2023) No signs of neurodegenerative effects in 15q11.2 BP1-BP2 copy number variant carriers in the UK Biobank Transl Psychiatry, 13(1), 61 DOI 10.1038/s41398-023-02358-w, PubMed 36807331
Granerud G, Elvsåshagen T, Arntzen E, Juhasz K, Emilsen NM, Sønderby IE, Nærland T, Malt EA(2022) A family study of symbolic learning and synaptic plasticity in autism spectrum disorder Front Hum Neurosci, 16, 950922 DOI 10.3389/fnhum.2022.950922, PubMed 36504626
van der Meer D, Gurholt TP, Sønderby IE, Shadrin AA, Hindley G, Rahman Z, de Lange AG, Frei O, Leinhard OD, Linge J, Simon R, Beck D, Westlye LT, Halvorsen S, Dale AM, Karlsen TH, Kaufmann T, Andreassen OA(2022) The link between liver fat and cardiometabolic diseases is highlighted by genome-wide association study of MRI-derived measures of body composition Commun Biol, 5(1), 1271 DOI 10.1038/s42003-022-04237-4, PubMed 36402844
Modenato C, Martin-Brevet S, Moreau CA, Rodriguez-Herreros B, Kumar K, Draganski B, Sønderby IE, Jacquemont S(2021) Lessons Learned From Neuroimaging Studies of Copy Number Variants: A Systematic Review Biol Psychiatry, 90(9), 596-610 DOI 10.1016/j.biopsych.2021.05.028, PubMed 34509290
Gurholt TP, Kaufmann T, Frei O, Alnæs D, Haukvik UK, van der Meer D, Moberget T, O'Connell KS, Leinhard OD, Linge J, Simon R, Smeland OB, Sønderby IE, Winterton A, Steen NE, Westlye LT, Andreassen OA(2021) Population-based body-brain mapping links brain morphology with anthropometrics and body composition Transl Psychiatry, 11(1), 295 DOI 10.1038/s41398-021-01414-7, PubMed 34006848
Sønderby IE, van der Meer D, Moreau C, Kaufmann T, Walters GB, Ellegaard M, Abdellaoui A, Ames D, Amunts K, Andersson M, Armstrong NJ, Bernard M, Blackburn NB, Blangero J, Boomsma DI, Brodaty H, Brouwer RM, Bülow R, Bøen R, Cahn W, Calhoun VD, Caspers S, Ching CRK, Cichon S, Ciufolini S, Crespo-Facorro B, Curran JE, Dale AM, Dalvie S, Dazzan Pet al.(2021) 1q21.1 distal copy number variants are associated with cerebral and cognitive alterations in humans Transl Psychiatry, 11(1), 182 DOI 10.1038/s41398-021-01213-0, PubMed 33753722
O'Connell KS, Sønderby IE, Frei O, van der Meer D, Athanasiu L, Smeland OB, Alnæs D, Kaufmann T, Westlye LT, Steen VM, Andreassen OA, Hughes T, Djurovic S(2021) Association between complement component 4A expression, cognitive performance and brain imaging measures in UK Biobank Psychol Med, 52(15), 3497-3507 DOI 10.1017/S0033291721000179, PubMed 33653435
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Córdova-Palomera A, van der Meer D, Kaufmann T, Bettella F, Wang Y, Alnæs D, Doan NT, Agartz I, Bertolino A, Buitelaar JK, Coynel D, Djurovic S, Dørum ES, Espeseth T, Fazio L, Franke B, Frei O, Håberg A, Le Hellard S, Jönsson EG, Kolskår KK, Lund MJ, Moberget T, Nordvik JE, Nyberg L, Papassotiropoulos A, Pergola G, de Quervain D, Rampino A, Richard Get al.(2020) Genetic control of variability in subcortical and intracranial volumes Mol Psychiatry, 26(8), 3876-3883 DOI 10.1038/s41380-020-0664-1, PubMed 32047264
Writing Committee for the ENIGMA-CNV Working Group, van der Meer D, Sønderby IE, Kaufmann T, Walters GB, Abdellaoui A, Ames D, Amunts K, Andersson M, Armstrong NJ, Bernard M, Blackburn NB, Blangero J, Boomsma DI, Brodaty H, Brouwer RM, Bülow R, Cahn W, Calhoun VD, Caspers S, Cavalleri GL, Ching CRK, Cichon S, Ciufolini S, Corvin A, Crespo-Facorro B, Curran JE, Dalvie S, Dazzan P, de Geus EJCet al.(2020) Association of Copy Number Variation of the 15q11.2 BP1-BP2 Region With Cortical and Subcortical Morphology and Cognition JAMA Psychiatry, 77(4), 420-430 DOI 10.1001/jamapsychiatry.2019.3779, PubMed 31665216
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Sønderby IE, Gústafsson Ó, Doan NT, Hibar DP, Martin-Brevet S, Abdellaoui A, Ames D, Amunts K, Andersson M, Armstrong NJ, Bernard M, Blackburn N, Blangero J, Boomsma DI, Bralten J, Brattbak HR, Brodaty H, Brouwer RM, Bülow R, Calhoun V, Caspers S, Cavalleri G, Chen CH, Cichon S, Ciufolini S, Corvin A, Crespo-Facorro B, Curran JE, Dale AM, Dalvie Set al.(2020) Correction: Dose response of the 16p11.2 distal copy number variant on intracranial volume and basal ganglia Mol Psychiatry, 25(3), 692-695 DOI 10.1038/s41380-019-0358-8, PubMed 30705424
Hughes T, Sønderby IE, Polushina T, Hansson L, Holmgren A, Athanasiu L, Melbø-Jørgensen C, Hassani S, Hoeffding LK, Herms S, Bergen SE, Karlsson R, Song J, Rietschel M, Nöthen MM, Forstner AJ, Hoffmann P, Hultman CM, Landén M, Cichon S, Werge T, Andreassen OA, Le Hellard S, Djurovic S(2018) Elevated expression of a minor isoform of ANK3 is a risk factor for bipolar disorder Transl Psychiatry, 8(1), 210 DOI 10.1038/s41398-018-0175-x, PubMed 30297702
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van der Meer D, Rokicki J, Kaufmann T, Córdova-Palomera A, Moberget T, Alnæs D, Bettella F, Frei O, Doan NT, Sønderby IE, Smeland OB, Agartz I, Bertolino A, Bralten J, Brandt CL, Buitelaar JK, Djurovic S, van Donkelaar M, Dørum ES, Espeseth T, Faraone SV, Fernández G, Fisher SE, Franke B, Haatveit B, Hartman CA, Hoekstra PJ, Håberg AK, Jönsson EG, Kolskår KKet al.(2018) Brain scans from 21,297 individuals reveal the genetic architecture of hippocampal subfield volumes Mol Psychiatry, 25(11), 3053-3065 DOI 10.1038/s41380-018-0262-7, PubMed 30279459
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Hughes T, Hansson L, Sønderby IE, Athanasiu L, Zuber V, Tesli M, Song J, Hultman CM, Bergen SE, Landén M, Melle I, Andreassen OA, Djurovic S(2015) A Loss-of-Function Variant in a Minor Isoform of ANK3 Protects Against Bipolar Disorder and Schizophrenia Biol Psychiatry, 80(4), 323-330 DOI 10.1016/j.biopsych.2015.09.021, PubMed 26682468
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Mattingsdal M, Brown AA, Djurovic S, Sønderby IE, Server A, Melle I, Agartz I, Hovig E, Jensen J, Andreassen OA(2012) Pathway analysis of genetic markers associated with a functional MRI faces paradigm implicates polymorphisms in calcium responsive pathways Neuroimage, 70, 143-9 DOI 10.1016/j.neuroimage.2012.12.035, PubMed 23274185
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Sun JY, Sønderby IE, Halkier BA, Jander G, de Vos M(2009) Non-volatile intact indole glucosinolates are host recognition cues for ovipositing Plutella xylostella J Chem Ecol, 35(12), 1427-36 DOI 10.1007/s10886-009-9723-4, PubMed 20054620
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Barak EN, Kolskår KK, Dahl C, Alnæs D, Andreassen OA, Nærland T, Sønderby IE, Tamnes CK, Westlye LT(2026) Birth Weight and Neurodevelopmental Disorders Across Diagnostic Categories: A Registry-Based Case-Control Study in Clinically Ascertained Samples Child Psychiatry Hum Dev(in press) DOI 10.1007/s10578-026-02090-8, PubMed 42645711
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