Publications 2024

Bahrami S, Nordengen K, Rokicki J, Shadrin AA, Rahman Z, Smeland OB, Jaholkowski PP, Parker N, Parekh P, O'Connell KS, Elvsåshagen T, Toft M, Djurovic S, Dale AM, Westlye LT, Kaufmann T, Andreassen OA (2024)
The genetic landscape of basal ganglia and implications for common brain disorders
Nat Commun, 15 (1), 8476
DOI 10.1038/s41467-024-52583-0, PubMed 39353893

Dietze LMF, McWhinney SR, Favre P, Abé C, Alexander N, Barkhau C, Benedetti F, Berk M, Bøen E, Boye B, Brosch K, Canales-Rodríguez EJ, Cannon DM, Carruthers SP, Corkum ELV, Dannlowski U, Díaz-Zuluaga AM, Dohm K, Elvsåshagen T, Flinkenflügel K, Fortea L, Furlong LS, Goldstein BI, Grotegerd D, Gruber M et al. (2024)
White matter microstructure in obesity and bipolar disorders: an ENIGMA bipolar disorder working group study in 2186 individuals
Mol Psychiatry (in press)
DOI 10.1038/s41380-024-02784-2, PubMed 39501059

McWhinney SR, Hlinka J, Bakstein E, Dietze LMF, Corkum ELV, Abé C, Alda M, Alexander N, Benedetti F, Berk M, Bøen E, Bonnekoh LM, Boye B, Brosch K, Canales-Rodríguez EJ, Cannon DM, Dannlowski U, Demro C, Diaz-Zuluaga A, Elvsåshagen T, Eyler LT, Fortea L, Fullerton JM, Goltermann J, Gotlib IH et al. (2024)
Principal component analysis as an efficient method for capturing multivariate brain signatures of complex disorders-ENIGMA study in people with bipolar disorders and obesity
Hum Brain Mapp, 45 (8), e26682
DOI 10.1002/hbm.26682, PubMed 38825977

Mäki-Marttunen T, Blackwell KT, Akkouh I, Shadrin A, Valstad M, Elvsåshagen T, Linne ML, Djurovic S, Einevoll GT, Andreassen OA (2024)
Genetic mechanisms for impaired synaptic plasticity in schizophrenia revealed by computational modeling
Proc Natl Acad Sci U S A, 121 (34), e2312511121
DOI 10.1073/pnas.2312511121, PubMed 39141354

Pentz AB, O'Connel KS, van Jole O, Timpe CMF, Slapø NB, Melle I, Lagerberg TV, Steen NE, Westlye LT, Haukvik UK, Moberget T, Jönsson EG, Andreassen OA, Elvsåshagen T (2024)
Mismatch negativity and polygenic risk scores for schizophrenia and bipolar disorder
Schizophr Res, 264, 314-326
DOI 10.1016/j.schres.2024.01.013, PubMed 38215567

Publications 2023

Jensen SB, Sheikh MA, Akkouh IA, Szabo A, O'Connell KS, Lekva T, Engh JA, Agartz I, Elvsåshagen T, Ormerod MBEG, Weibell MA, Johnsen E, Kroken RA, Melle I, Drange OK, Nærland T, Vaaler AE, Westlye LT, Aukrust P, Djurovic S, Eiel Steen N, Andreassen OA, Ueland T (2023)
Elevated Systemic Levels of Markers Reflecting Intestinal Barrier Dysfunction and Inflammasome Activation Are Correlated in Severe Mental Illness
Schizophr Bull, 49 (3), 635-645
DOI 10.1093/schbul/sbac191, PubMed 36462169

McWhinney SR, Abé C, Alda M, Benedetti F, Bøen E, Del Mar Bonnin C, Borgers T, Brosch K, Canales-Rodríguez EJ, Cannon DM, Dannlowski U, Diaz-Zuluaga AM, Dietze LMF, Elvsåshagen T, Eyler LT, Fullerton JM, Goikolea JM, Goltermann J, Grotegerd D, Haarman BCM, Hahn T, Howells FM, Ingvar M, Jahanshad N, Kircher TTJ et al. (2023)
Mega-analysis of association between obesity and cortical morphology in bipolar disorders: ENIGMA study in 2832 participants
Psychol Med, 53 (14), 1-11 (in press)
DOI 10.1017/S0033291723000223, PubMed 36846964

Mlakar V, Birkenæs V, Elvsaashagen T, Ormerod MBEG, Quintana DS, Ueland T, Melle I, Lagerberg TV, Djurovic S, Martin-Ruiz C, Steen NE, Andreassen OA, Aas M (2023)
Telomere length and verbal learning in bipolar disorders
J Affect Disord, 339, 555-560
DOI 10.1016/j.jad.2023.07.087, PubMed 37459977

Pentz AB, Timpe CMF, Normann EM, Slapø NB, Melle I, Lagerberg TV, Steen NE, Westlye LT, Jönsson EG, Haukvik UK, Moberget T, Andreassen OA, Elvsåshagen T (2023)
Mismatch negativity in schizophrenia spectrum and bipolar disorders: Group and sex differences and associations with symptom severity
Schizophr Res, 261, 80-93
DOI 10.1016/j.schres.2023.09.012, PubMed 37716205

Slapø NB, Jørgensen KN, Elvsåshagen T, Nerland S, Roelfs D, Valstad M, Timpe CMF, Richard G, Beck D, Sæther LS, Frogner Werner MC, Lagerberg TV, Andreassen OA, Melle I, Agartz I, Westlye LT, Moberget T, Jönsson EG (2023)
Relationship between function and structure in the visual cortex in healthy individuals and in patients with severe mental disorders
Psychiatry Res Neuroimaging, 332, 111633
DOI 10.1016/j.pscychresns.2023.111633, PubMed 37028226

Slapø NB, Nerland S, Nordbø Jørgensen K, Mørch-Johnsen L, Pettersen JH, Roelfs D, Parker N, Valstad M, Pentz A, Timpe CMF, Richard G, Beck D, Werner MCF, Lagerberg TV, Melle I, Agartz I, Westlye LT, Steen NE, Andreassen OA, Moberget T, Elvsåshagen T, Jönsson EG (2023)
Auditory Cortex Thickness Is Associated With N100 Amplitude in Schizophrenia Spectrum Disorders
Schizophr Bull Open, 4 (1), sgad015
DOI 10.1093/schizbullopen/sgad015, PubMed 38812720

Smeland OB, Kutrolli G, Bahrami S, Fominykh V, Parker N, Hindley GFL, Rødevand L, Jaholkowski P, Tesfaye M, Parekh P, Elvsåshagen T, Grotzinger AD, International Multiple Sclerosis Genetics Consortium (IMSGC), International Headache Genetics Consortium (IHGC), Steen NE, van der Meer D, O'Connell KS, Djurovic S, Dale AM, Shadrin AA, Frei O, Andreassen OA (2023)
The shared genetic risk architecture of neurological and psychiatric disorders: a genome-wide analysis
medRxiv
DOI 10.1101/2023.07.21.23292993, PubMed 37503175

Voldsbekk I, Groote I, Zak N, Roelfs D, Geier O, Due-Tønnessen P, Løkken LL, Strømstad M, Blakstvedt TY, Kuiper YS, Elvsåshagen T, Westlye LT, Bjørnerud A, Maximov II (2023)
Corrigendum to "Sleep and sleep deprivation differentially alter white matter microstructure: A mixed model design utilising advanced diffusion modelling"
Neuroimage, 270, 119939
DOI 10.1016/j.neuroimage.2023.119939, PubMed 36841108

Zak N, Moberget T, Bøen E, Boye B, Rygvold TW, Malt UF, Andreassen OA, Andersson S, Westlye LT, Elvsåshagen T (2023)
Baseline long-term potentiation-like cortical plasticity is associated with longitudinal cortical thinning in healthy adults and in adults with bipolar disorder type II
Eur J Neurosci, 58 (3), 2824-2837
DOI 10.1111/ejn.16038, PubMed 37163975

Publications 2022

Brouwer RM, Klein M, Grasby KL, Schnack HG, Jahanshad N, Teeuw J, Thomopoulos SI, Sprooten E, Franz CE, Gogtay N, Kremen WS, Panizzon MS, Olde Loohuis LM, Whelan CD, Aghajani M, Alloza C, Alnæs D, Artiges E, Ayesa-Arriola R, Barker GJ, Bastin ME, Blok E, Bøen E, Breukelaar IA, Bright JK et al. (2022)
Genetic variants associated with longitudinal changes in brain structure across the lifespan
Nat Neurosci, 25 (4), 421-432
DOI 10.1038/s41593-022-01042-4, PubMed 35383335

Engh JA, Ueland T, Agartz I, Andreou D, Aukrust P, Boye B, Bøen E, Drange OK, Elvsåshagen T, Hope S, Høegh MC, Joa I, Johnsen E, Kroken RA, Lagerberg TV, Lekva T, Malt UF, Melle I, Morken G, Nærland T, Steen VM, Wedervang-Resell K, Weibell MA, Westlye LT, Djurovic S et al. (2022)
Plasma Levels of the Cytokines B Cell-Activating Factor (BAFF) and A Proliferation-Inducing Ligand (APRIL) in Schizophrenia, Bipolar, and Major Depressive Disorder: A Cross Sectional, Multisite Study
Schizophr Bull, 48 (1), 37-46
DOI 10.1093/schbul/sbab106, PubMed 34499169

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

Rygvold TW, Hatlestad-Hall C, Elvsåshagen T, Moberget T, Andersson S (2022)
Long-Term Potentiation-Like Visual Synaptic Plasticity Is Negatively Associated With Self-Reported Symptoms of Depression and Stress in Healthy Adults
Front Hum Neurosci, 16, 867675
DOI 10.3389/fnhum.2022.867675, PubMed 35601905

Rygvold TW, Hatlestad-Hall C, Elvsåshagen T, Moberget T, Andersson S (2022)
Long term potentiation-like neural plasticity and performance-based memory function
Neurobiol Learn Mem, 196, 107696
DOI 10.1016/j.nlm.2022.107696, PubMed 36368635

Sheikh MA, O'Connell KS, Lekva T, Szabo A, Akkouh IA, Osete JR, Agartz I, Engh JA, Andreou D, Boye B, Bøen E, Elvsåshagen T, Hope S, Frogner Werner MC, Joa I, Johnsen E, Kroken RA, Lagerberg TV, Melle I, Drange OK, Morken G, Nærland T, Sørensen K, Vaaler AE, Weibell MA et al. (2022)
Systemic Cell Adhesion Molecules in Severe Mental Illness: Potential Role of Intercellular CAM-1 in Linking Peripheral and Neuroinflammation
Biol Psychiatry, 93 (2), 187-196
DOI 10.1016/j.biopsych.2022.06.029, PubMed 36182530

Voldsbekk I, Bjørnerud A, Groote I, Zak N, Roelfs D, Maximov II, Geier O, Due-Tønnessen P, Bøen E, Kuiper YS, Løkken LL, Strømstad M, Blakstvedt TY, Bjorvatn B, Malt UF, Westlye LT, Elvsåshagen T, Grydeland H (2022)
Evidence for widespread alterations in cortical microstructure after 32 h of sleep deprivation
Transl Psychiatry, 12 (1), 161
DOI 10.1038/s41398-022-01909-x, PubMed 35422097

Publications 2021

Abé C, Ching CRK, Liberg B, Lebedev AV, Agartz I, Akudjedu TN, Alda M, Alnæs D, Alonso-Lana S, Benedetti F, Berk M, Bøen E, Bonnin CDM, Breuer F, Brosch K, Brouwer RM, Canales-Rodríguez EJ, Cannon DM, Chye Y, Dahl A, Dandash O, Dannlowski U, Dohm K, Elvsåshagen T, Fisch L et al. (2021)
Longitudinal Structural Brain Changes in Bipolar Disorder: A Multicenter Neuroimaging Study of 1232 Individuals by the ENIGMA Bipolar Disorder Working Group
Biol Psychiatry, 91 (6), 582-592
DOI 10.1016/j.biopsych.2021.09.008, PubMed 34809987

Andreou D, Steen NE, Jørgensen KN, Smelror RE, Wedervang-Resell K, Nerland S, Westlye LT, Nærland T, Myhre AM, Joa I, Reitan SMK, Vaaler A, Morken G, Bøen E, Elvsåshagen T, Boye B, Malt UF, Aukrust P, Skrede S, Kroken RA, Johnsen E, Djurovic S, Andreassen OA, Ueland T, Agartz I (2021)
Lower circulating neuron-specific enolase concentrations in adults and adolescents with severe mental illness
Psychol Med, 53 (4), 1479-1488
DOI 10.1017/S0033291721003056, PubMed 35387700

Birkenæs V, Elvsåshagen T, Westlye LT, Høegh MC, Haram M, Werner MCF, Quintana DS, Lunding SH, Martin-Ruiz C, Agartz I, Djurovic S, Steen NE, Andreassen OA, Aas M (2021)
Telomeres are shorter and associated with number of suicide attempts in affective disorders
J Affect Disord, 295, 1032-1039
DOI 10.1016/j.jad.2021.08.135, PubMed 34706411

Elvsåshagen T, Shadrin A, Frei O, van der Meer D, Bahrami S, Kumar VJ, Smeland O, Westlye LT, Andreassen OA, Kaufmann T (2021)
The genetic architecture of the human thalamus and its overlap with ten common brain disorders
Nat Commun, 12 (1), 2909
DOI 10.1038/s41467-021-23175-z, PubMed 34006833

Kalman JL, Olde Loohuis LM, Vreeker A, McQuillin A, Stahl EA, Ruderfer D, Grigoroiu-Serbanescu M, Panagiotaropoulou G, Ripke S, Bigdeli TB, Stein F, Meller T, Meinert S, Pelin H, Streit F, Papiol S, Adams MJ, Adolfsson R, Adorjan K, Agartz I, Aminoff SR, Anderson-Schmidt H, Andreassen OA, Ardau R, Aubry JM et al. (2021)
Characterisation of age and polarity at onset in bipolar disorder
Br J Psychiatry, 219 (6), 659-669
DOI 10.1192/bjp.2021.102, PubMed 35048876

McWhinney SR, Abé C, Alda M, Benedetti F, Bøen E, Del Mar Bonnin C, Borgers T, Brosch K, Canales-Rodríguez EJ, Cannon DM, Dannlowski U, Diaz-Zuluaga AM, Dietze L, Elvsåshagen T, Eyler LT, Fullerton JM, Goikolea JM, Goltermann J, Grotegerd D, Haarman BCM, Hahn T, Howells FM, Ingvar M, Kircher TTJ, Krug A et al. (2021)
Diagnosis of bipolar disorders and body mass index predict clustering based on similarities in cortical thickness-ENIGMA study in 2436 individuals
Bipolar Disord, 24 (5), 509-520
DOI 10.1111/bdi.13172, PubMed 34894200

McWhinney SR, Abé C, Alda M, Benedetti F, Bøen E, Del Mar Bonnin C, Borgers T, Brosch K, Canales-Rodríguez EJ, Cannon DM, Dannlowski U, Díaz-Zuluaga AM, Elvsåshagen T, Eyler LT, Fullerton JM, Goikolea JM, Goltermann J, Grotegerd D, Haarman BCM, Hahn T, Howells FM, Ingvar M, Kircher TTJ, Krug A, Kuplicki RT et al. (2021)
Association between body mass index and subcortical brain volumes in bipolar disorders-ENIGMA study in 2735 individuals
Mol Psychiatry, 26 (11), 6806-6819
DOI 10.1038/s41380-021-01098-x, PubMed 33863996

Mullins N, Forstner AJ, O'Connell KS, Coombes B, Coleman JRI, Qiao Z, Als TD, Bigdeli TB, Børte S, Bryois J, Charney AW, Drange OK, Gandal MJ, Hagenaars SP, Ikeda M, Kamitaki N, Kim M, Krebs K, Panagiotaropoulou G, Schilder BM, Sloofman LG, Steinberg S, Trubetskoy V, Winsvold BS, Won HH et al. (2021)
Genome-wide association study of more than 40,000 bipolar disorder cases provides new insights into the underlying biology
Nat Genet, 53 (6), 817-829
DOI 10.1038/s41588-021-00857-4, PubMed 34002096

Rødevand L, Bahrami S, Frei O, Chu Y, Shadrin A, O'Connell KS, Smeland OB, Elvsåshagen T, Hindley GFL, Djurovic S, Dale AM, Lagerberg TV, Steen NE, Andreassen OA (2021)
Extensive bidirectional genetic overlap between bipolar disorder and cardiovascular disease phenotypes
Transl Psychiatry, 11 (1), 407
DOI 10.1038/s41398-021-01527-z, PubMed 34301917

Rødevand L, Bahrami S, Frei O, Lin A, Gani O, Shadrin A, Smeland OB, Connell KSO, Elvsåshagen T, Winterton A, Quintana DS, Hindley GFL, Werner MCF, Djurovic S, Dale AM, Lagerberg TV, Steen NE, Andreassen OA (2021)
Polygenic overlap and shared genetic loci between loneliness, severe mental disorders, and cardiovascular disease risk factors suggest shared molecular mechanisms
Transl Psychiatry, 11 (1), 3
DOI 10.1038/s41398-020-01142-4, PubMed 33414458

Smit DJA, Andreassen OA, Boomsma DI, Burwell SJ, Chorlian DB, de Geus EJC, Elvsåshagen T, Gordon RL, Harper J, Hegerl U, Hensch T, Iacono WG, Jawinski P, Jönsson EG, Luykx JJ, Magne CL, Malone SM, Medland SE, Meyers JL, Moberget T, Porjesz B, Sander C, Sisodiya SM, Thompson PM, van Beijsterveldt CEM et al. (2021)
Large-scale collaboration in ENIGMA-EEG: A perspective on the meta-analytic approach to link neurological and psychiatric liability genes to electrophysiological brain activity
Brain Behav, 11 (8), e02188
DOI 10.1002/brb3.2188, PubMed 34291596

Szabo A, O'Connell KS, Ueland T, Sheikh MA, Agartz I, Andreou D, Aukrust P, Boye B, Bøen E, Drange OK, Elvsåshagen T, Engh JA, Hope S, Collier Høegh M, Joa I, Johnsen E, Kroken RA, Vik Lagerberg T, Lekva T, Malt UF, Melle I, Morken G, Nærland T, Steen VM, Sørensen K et al. (2021)
Increased circulating IL-18 levels in severe mental disorders indicate systemic inflammasome activation
Brain Behav Immun, 99, 299-306
DOI 10.1016/j.bbi.2021.10.017, PubMed 34758379

Tahmasian M, Aleman A, Andreassen OA, Arab Z, Baillet M, Benedetti F, Bresser T, Bright J, Chee MWL, Chylinski D, Cheng W, Deantoni M, Dresler M, Eickhoff SB, Eickhoff CR, Elvsåshagen T, Feng J, Foster-Dingley JC, Ganjgahi H, Grabe HJ, Groenewold NA, Ho TC, Bong Hong S, Houenou J, Irungu B et al. (2021)
ENIGMA-Sleep: Challenges, opportunities, and the road map
J Sleep Res, 30 (6), e13347
DOI 10.1111/jsr.13347, PubMed 33913199

Valstad M, Roelfs D, Slapø NB, Timpe CMF, Rai A, Matziorinis AM, Beck D, Richard G, Sæther LS, Haatveit B, Nordvik JE, Hatlestad-Hall C, Einevoll GT, Mäki-Marttunen T, Haram M, Ueland T, Lagerberg TV, Steen NE, Melle I, Westlye LT, Jönsson EG, Andreassen OA, Moberget T, Elvsåshagen T (2021)
Evidence for Reduced Long-Term Potentiation-Like Visual Cortical Plasticity in Schizophrenia and Bipolar Disorder
Schizophr Bull, 47 (6), 1751-1760
DOI 10.1093/schbul/sbab049, PubMed 33963856

Publications 2020

Benjamin BR, Valstad M, Elvsåshagen T, Jönsson EG, Moberget T, Winterton A, Haram M, Høegh MC, Lagerberg TV, Steen NE, Larsen L, Andreassen OA, Westlye LT, Quintana DS (2020)
Heart rate variability is associated with disease severity in psychosis spectrum disorders
Prog Neuropsychopharmacol Biol Psychiatry, 111, 110108
DOI 10.1016/j.pnpbp.2020.110108, PubMed 32946948

Bøen E, Hummelen B, Boye B, Elvsåshagen T, Malt UF (2020)
Borderline patients have difficulties describing feelings; bipolar II patients describe difficult feelings. An alexithymia study
Acta Psychiatr Scand, 142 (3), 203-214
DOI 10.1111/acps.13204, PubMed 32594515

Ching CRK, Hibar DP, Gurholt TP, Nunes A, Thomopoulos SI, Abé C, Agartz I, Brouwer RM, Cannon DM, de Zwarte SMC, Eyler LT, Favre P, Hajek T, Haukvik UK, Houenou J, Landén M, Lett TA, McDonald C, Nabulsi L, Patel Y, Pauling ME, Paus T, Radua J, Soeiro-de-Souza MG, Tronchin G et al. (2020)
What we learn about bipolar disorder from large-scale neuroimaging: Findings and future directions from the ENIGMA Bipolar Disorder Working Group
Hum Brain Mapp, 43 (1), 56-82
DOI 10.1002/hbm.25098, PubMed 32725849

Drange OK, Sæther SG, Finseth PI, Morken G, Vaaler AE, Arntsen V, Henning O, Andreassen OA, Elvsåshagen T, Malt UF, Bøen E (2020)
Differences in course of illness between patients with bipolar II disorder with and without epileptiform discharges or other sharp activity on electroencephalograms: a cross-sectional study
BMC Psychiatry, 20 (1), 582
DOI 10.1186/s12888-020-02968-4, PubMed 33287748

Elvsåshagen T, Bahrami S, van der Meer D, Agartz I, Alnæs D, Barch DM, Baur-Streubel R, Bertolino A, Beyer MK, Blasi G, Borgwardt S, Boye B, Buitelaar J, Bøen E, Celius EG, Cervenka S, Conzelmann A, Coynel D, Di Carlo P, Djurovic S, Eisenacher S, Espeseth T, Fatouros-Bergman H, Flyckt L, Franke B et al. (2020)
The genetic architecture of human brainstem structures and their involvement in common brain disorders
Nat Commun, 11 (1), 4016
DOI 10.1038/s41467-020-17376-1, PubMed 32782260

Han LKM, Dinga R, Hahn T, Ching CRK, Eyler LT, Aftanas L, Aghajani M, Aleman A, Baune BT, Berger K, Brak I, Filho GB, Carballedo A, Connolly CG, Couvy-Duchesne B, Cullen KR, Dannlowski U, Davey CG, Dima D, Duran FLS, Enneking V, Filimonova E, Frenzel S, Frodl T, Fu CHY et al. (2020)
Brain aging in major depressive disorder: results from the ENIGMA major depressive disorder working group
Mol Psychiatry, 26 (9), 5124-5139
DOI 10.1038/s41380-020-0754-0, PubMed 32424236

Haukvik UK, Gurholt TP, Nerland S, Elvsåshagen T, Akudjedu TN, Alda M, Alnaes D, Alonso-Lana S, Bauer J, Baune BT, Benedetti F, Berk M, Bettella F, Bøen E, Bonnín CM, Brambilla P, Canales-Rodríguez EJ, Cannon DM, Caseras X, Dandash O, Dannlowski U, Delvecchio G, Díaz-Zuluaga AM, van Erp TGM, Fatjó-Vilas M et al. (2020)
In vivo hippocampal subfield volumes in bipolar disorder-A mega-analysis from The Enhancing Neuro Imaging Genetics through Meta-Analysis Bipolar Disorder Working Group
Hum Brain Mapp, 43 (1), 385-398
DOI 10.1002/hbm.25249, PubMed 33073925

Kaufmann T, van der Meer D, Doan NT, Schwarz E, Lund MJ, Agartz I, Alnæs D, Barch DM, Baur-Streubel R, Bertolino A, Bettella F, Beyer MK, Bøen E, Borgwardt S, Brandt CL, Buitelaar J, Celius EG, Cervenka S, Conzelmann A, Córdova-Palomera A, Dale AM, de Quervain DJF, Di Carlo P, Djurovic S, Dørum ES et al. (2020)
Publisher Correction: Common brain disorders are associated with heritable patterns of apparent aging of the brain
Nat Neurosci, 23 (2), 295
DOI 10.1038/s41593-019-0553-6, PubMed 31848485

Rygvold TW, Hatlestad-Hall C, Elvsåshagen T, Moberget T, Andersson S (2020)
Do visual and auditory stimulus-specific response modulation reflect different mechanisms of neocortical plasticity?
Eur J Neurosci, 53 (4), 1072-1085
DOI 10.1111/ejn.14964, PubMed 32897598

Sæther LS, Roelfs D, Moberget T, Andreassen OA, Elvsåshagen T, Jönsson EG, Vaskinn A (2020)
Exploring neurophysiological markers of visual perspective taking: Methodological considerations
Int J Psychophysiol, 161, 1-12
DOI 10.1016/j.ijpsycho.2020.12.006, PubMed 33388368

Valstad M, Moberget T, Roelfs D, Slapø NB, Timpe CMF, Beck D, Richard G, Sæther LS, Haatveit B, Skaug KA, Nordvik JE, Hatlestad-Hall C, Einevoll GT, Mäki-Marttunen T, Westlye LT, Jönsson EG, Andreassen OA, Elvsåshagen T (2020)
Experience-dependent modulation of the visual evoked potential: Testing effect sizes, retention over time, and associations with age in 415 healthy individuals
Neuroimage, 223, 117302
DOI 10.1016/j.neuroimage.2020.117302, PubMed 32828930

Voldsbekk I, Groote I, Zak N, Roelfs D, Geier O, Due-Tønnessen P, Løkken LL, Strømstad M, Blakstvedt TY, Kuiper YS, Elvsåshagen T, Westlye LT, Bjørnerud A, Maximov II (2020)
Sleep and sleep deprivation differentially alter white matter microstructure: A mixed model design utilising advanced diffusion modelling
Neuroimage, 226, 117540
DOI 10.1016/j.neuroimage.2020.117540, PubMed 33186715

Voldsbekk I, Maximov II, Zak N, Roelfs D, Geier O, Due-Tønnessen P, Elvsåshagen T, Strømstad M, Bjørnerud A, Groote I (2020)
Evidence for wakefulness-related changes to extracellular space in human brain white matter from diffusion-weighted MRI
Neuroimage, 212, 116682
DOI 10.1016/j.neuroimage.2020.116682, PubMed 32114147

Publications 2019

Bøen E, Hjørnevik T, Hummelen B, Elvsåshagen T, Moberget T, Holtedahl JE, Babovic A, Hol PK, Karterud S, Malt UF (2019)
Patterns of altered regional brain glucose metabolism in borderline personality disorder and bipolar II disorder
Acta Psychiatr Scand, 139 (3), 256-268
DOI 10.1111/acps.12997, PubMed 30552759

Granerud-Dunvoll G, Arntzen E, Elvsashagen T, Hatlestad-Hall C, Malt E (2019)
Equivalence Class Formation and the N400: Methodological Issues
Psychol. Rec., 69 (2), 175-191
DOI 10.1007/s40732-019-00332-x

Kaufmann T, van der Meer D, Doan NT, Schwarz E, Lund MJ, Agartz I, Alnæs D, Barch DM, Baur-Streubel R, Bertolino A, Bettella F, Beyer MK, Bøen E, Borgwardt S, Brandt CL, Buitelaar J, Celius EG, Cervenka S, Conzelmann A, Córdova-Palomera A, Dale AM, de Quervain DJF, Di Carlo P, Djurovic S, Dørum ES et al. (2019)
Common brain disorders are associated with heritable patterns of apparent aging of the brain
Nat Neurosci, 22 (10), 1617-1623
DOI 10.1038/s41593-019-0471-7, PubMed 31551603

Mäki-Marttunen T, Kaufmann T, Elvsåshagen T, Devor A, Djurovic S, Westlye LT, Linne ML, Rietschel M, Schubert D, Borgwardt S, Efrim-Budisteanu M, Bettella F, Halnes G, Hagen E, Næss S, Ness TV, Moberget T, Metzner C, Edwards AG, Fyhn M, Dale AM, Einevoll GT, Andreassen OA (2019)
Biophysical Psychiatry-How Computational Neuroscience Can Help to Understand the Complex Mechanisms of Mental Disorders
Front Psychiatry, 10, 534
DOI 10.3389/fpsyt.2019.00534, PubMed 31440172

Mäki-Marttunen T, Krull F, Bettella F, Hagen E, Næss S, Ness TV, Moberget T, Elvsåshagen T, Metzner C, Devor A, Edwards AG, Fyhn M, Djurovic S, Dale AM, Andreassen OA, Einevoll GT (2019)
Alterations in Schizophrenia-Associated Genes Can Lead to Increased Power in Delta Oscillations
Cereb Cortex, 29 (2), 875-891
DOI 10.1093/cercor/bhy291, PubMed 30475994

Rødevand L, Steen NE, Elvsåshagen T, Quintana DS, Reponen EJ, Mørch RH, Lunding SH, Vedal TSJ, Dieset I, Melle I, Lagerberg TV, Andreassen OA (2019)
Cardiovascular risk remains high in schizophrenia with modest improvements in bipolar disorder during past decade
Acta Psychiatr Scand, 139 (4), 348-360
DOI 10.1111/acps.13008, PubMed 30697685

Stahl EA, Breen G, Forstner AJ, McQuillin A, Ripke S, Trubetskoy V, Mattheisen M, Wang Y, Coleman JRI, Gaspar HA, de Leeuw CA, Steinberg S, Pavlides JMW, Trzaskowski M, Byrne EM, Pers TH, Holmans PA, Richards AL, Abbott L, Agerbo E, Akil H, Albani D, Alliey-Rodriguez N, Als TD, Anjorin A et al. (2019)
Genome-wide association study identifies 30 loci associated with bipolar disorder
Nat Genet, 51 (5), 793-803
DOI 10.1038/s41588-019-0397-8, PubMed 31043756

Zak N, Bøen E, Boye B, Andreassen OA, Doan NT, Malt UF, Westlye LT, Elvsåshagen T (2019)
Mood episodes are associated with increased cortical thinning: A longitudinal study of bipolar disorder type II
Bipolar Disord, 21 (6), 525-538
DOI 10.1111/bdi.12771, PubMed 30864260

Aas M, Elvsåshagen T, Westlye LT, Kaufmann T, Athanasiu L, Djurovic S, Melle I, van der Meer D, Martin-Ruiz C, Steen NE, Agartz I, Andreassen OA (2019)
Telomere length is associated with childhood trauma in patients with severe mental disorders
Transl Psychiatry, 9 (1), 97
DOI 10.1038/s41398-019-0432-7, PubMed 30898995

Publications 2018

Elvsåshagen T, Mutsaerts HJ, Zak N, Norbom LB, Quraishi SH, Pedersen PØ, Malt UF, Westlye LT, van Someren EJ, Bjørnerud A, Groote IR (2018)
Cerebral blood flow changes after a day of wake, sleep, and sleep deprivation
Neuroimage, 186, 497-509
DOI 10.1016/j.neuroimage.2018.11.032, PubMed 30471387

Nunes A, Schnack HG, Ching CRK, Agartz I, Akudjedu TN, Alda M, Alnæs D, Alonso-Lana S, Bauer J, Baune BT, Bøen E, Bonnin CDM, Busatto GF, Canales-Rodríguez EJ, Cannon DM, Caseras X, Chaim-Avancini TM, Dannlowski U, Díaz-Zuluaga AM, Dietsche B, Doan NT, Duchesnay E, Elvsåshagen T, Emden D, Eyler LT et al. (2018)
Using structural MRI to identify bipolar disorders - 13 site machine learning study in 3020 individuals from the ENIGMA Bipolar Disorders Working Group
Mol Psychiatry, 25 (9), 2130-2143
DOI 10.1038/s41380-018-0228-9, PubMed 30171211

Zak N, Moberget T, Bøen E, Boye B, Waage TR, Dietrichs E, Harkestad N, Malt UF, Westlye LT, Andreassen OA, Andersson S, Elvsåshagen T (2018)
Longitudinal and cross-sectional investigations of long-term potentiation-like cortical plasticity in bipolar disorder type II and healthy individuals
Transl Psychiatry, 8 (1), 103
DOI 10.1038/s41398-018-0151-5, PubMed 29795193

Publications 2017

Elvsåshagen T, Zak N, Norbom LB, Pedersen PØ, Quraishi SH, Bjørnerud A, Alnæs D, Doan NT, Malt UF, Groote IR, Westlye LT (2017)
Evidence for cortical structural plasticity in humans after a day of waking and sleep deprivation
Neuroimage, 156, 214-223
DOI 10.1016/j.neuroimage.2017.05.027, PubMed 28526620

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

Quintana DS, Dieset I, Elvsåshagen T, Westlye LT, Andreassen OA (2017)
Oxytocin system dysfunction as a common mechanism underlying metabolic syndrome and psychiatric symptoms in schizophrenia and bipolar disorders
Front Neuroendocrinol, 45, 1-10
DOI 10.1016/j.yfrne.2016.12.004, PubMed 28049009

Quintana DS, Elvsåshagen T, Zak N, Norbom LB, Pedersen PØ, Quraishi SH, Bjørnerud A, Malt UF, Groote IR, Kaufmann T, Andreassen OA, Westlye LT (2017)
Diurnal Variation and Twenty-Four Hour Sleep Deprivation Do Not Alter Supine Heart Rate Variability in Healthy Male Young Adults
PLoS One, 12 (2), e0170921
DOI 10.1371/journal.pone.0170921, PubMed 28151944

Quintana DS, Westlye LT, Hope S, Nærland T, Elvsåshagen T, Dørum E, Rustan Ø, Valstad M, Rezvaya L, Lishaugen H, Stensønes E, Yaqub S, Smerud KT, Mahmoud RA, Djupesland PG, Andreassen OA (2017)
Dose-dependent social-cognitive effects of intranasal oxytocin delivered with novel Breath Powered device in adults with autism spectrum disorder: a randomized placebo-controlled double-blind crossover trial
Transl Psychiatry, 7 (5), e1136
DOI 10.1038/tp.2017.103, PubMed 28534875

Publications 2016

Elvsåshagen T, Zuzarte P, Westlye LT, Bøen E, Josefsen D, Boye B, Hol PK, Malt UF, Young LT, Andreazza AC (2016)
Dentate gyrus-cornu ammonis (CA) 4 volume is decreased and associated with depressive episodes and lipid peroxidation in bipolar II disorder: Longitudinal and cross-sectional analyses
Bipolar Disord, 18 (8), 657-668
DOI 10.1111/bdi.12457, PubMed 27995733

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

Publications 2015

Elvsåshagen T, Norbom LB, Pedersen PØ, Quraishi SH, Bjørnerud A, Malt UF, Groote IR, Westlye LT (2015)
Widespread changes in white matter microstructure after a day of waking and sleep deprivation
PLoS One, 10 (5), e0127351
DOI 10.1371/journal.pone.0127351, PubMed 26020651

Kaufmann T, Elvsåshagen T, Alnæs D, Zak N, Pedersen PØ, Norbom LB, Quraishi SH, Tagliazucchi E, Laufs H, Bjørnerud A, Malt UF, Andreassen OA, Roussos E, Duff EP, Smith SM, Groote IR, Westlye LT (2015)
The brain functional connectome is robustly altered by lack of sleep
Neuroimage, 127, 324-332
DOI 10.1016/j.neuroimage.2015.12.028, PubMed 26712339

Publications 2014

Bøen E, Hummelen B, Elvsåshagen T, Boye B, Andersson S, Karterud S, Malt UF (2014)
Different impulsivity profiles in borderline personality disorder and bipolar II disorder
J Affect Disord, 170, 104-11
DOI 10.1016/j.jad.2014.08.033, PubMed 25237733

Bøen E, Westlye LT, Elvsåshagen T, Hummelen B, Hol PK, Boye B, Andersson S, Karterud S, Malt UF (2014)
Smaller stress-sensitive hippocampal subfields in women with borderline personality disorder without posttraumatic stress disorder
J Psychiatry Neurosci, 39 (2), 127-34
DOI 10.1503/jpn.130070, PubMed 24309162

Elvsåshagen T, Moberget T, Bøen E, Hol PK, Malt UF, Andersson S, Westlye LT (2014)
The surface area of early visual cortex predicts the amplitude of the visual evoked potential
Brain Struct Funct, 220 (2), 1229-36
DOI 10.1007/s00429-013-0703-7, PubMed 24415060

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

Publications 2013

Bøen E, Westlye LT, Elvsåshagen T, Hummelen B, Hol PK, Boye B, Andersson S, Karterud S, Malt UF (2013)
Regional cortical thinning may be a biological marker for borderline personality disorder
Acta Psychiatr Scand, 130 (3), 193-204
DOI 10.1111/acps.12234, PubMed 24571788

Elvsåshagen T, Westlye LT, Bøen E, Hol PK, Andersson S, Andreassen OA, Boye B, Malt UF (2013)
Evidence for reduced dentate gyrus and fimbria volume in bipolar II disorder
Bipolar Disord, 15 (2), 167-76
DOI 10.1111/bdi.12046, PubMed 23317454

Elvsåshagen T, Westlye LT, Bøen E, Hol PK, Andreassen OA, Boye B, Malt UF (2013)
Bipolar II disorder is associated with thinning of prefrontal and temporal cortices involved in affect regulation
Bipolar Disord, 15 (8), 855-64
DOI 10.1111/bdi.12117, PubMed 23980618

Publications 2011

Elvsåshagen T, Moberget T, Bøen E, Boye B, Englin NO, Pedersen PØ, Andreassen OA, Dietrichs E, Malt UF, Andersson S (2011)
Evidence for impaired neocortical synaptic plasticity in bipolar II disorder
Biol Psychiatry, 71 (1), 68-74
DOI 10.1016/j.biopsych.2011.09.026, PubMed 22036034

Elvsåshagen T, Vera E, Bøen E, Bratlie J, Andreassen OA, Josefsen D, Malt UF, Blasco MA, Boye B (2011)
The load of short telomeres is increased and associated with lifetime number of depressive episodes in bipolar II disorder
J Affect Disord, 135 (1-3), 43-50
DOI 10.1016/j.jad.2011.08.006, PubMed 21880373

Publications 2009

Elvsåshagen T, Solyga V, Bakke SJ, Heiberg A, Kerty E (2009)
[Neurofibromatosis type 2 and auditory brainstem implantation]
Tidsskr Nor Laegeforen, 129 (15), 1469-73
DOI 10.4045/tidsskr.08.0151, PubMed 19690597

Publications 2008

Elvsåshagen T, Malt UF (2008)
[Structural plasticity in the adult central nervous system]
Tidsskr Nor Laegeforen, 128 (3), 298-302
PubMed 18264154

Lossius A, Elvsåshagen T, Taubøll E (2008)
[A 58-year-old woman with stroke, elevated troponin and hypercoagulability]
Tidsskr Nor Laegeforen, 128 (6), 706-8
PubMed 18365333