Publications 2024

Barth C, Nerland S, Jørgensen KN, Haatveit B, Wortinger LA, Melle I, Haukvik UK, Ueland T, Andreassen OA, Agartz I (2024)
Altered Sex Differences in Hippocampal Subfield Volumes in Schizophrenia
Schizophr Bull, 50 (1), 107-119
DOI 10.1093/schbul/sbad091, PubMed 37354490

Karadag N, Hagen E, Shadrin AA, van der Meer D, O'Connell KS, Rahman Z, Kutrolli G, Parker N, Bahrami S, Fominykh V, Heuser K, Taubøll E, Ueland T, Steen NE, Djurovic S, Dale AM, Frei O, Andreassen OA, Smeland OB (2024)
Unraveling the shared genetics of common epilepsies and general cognitive ability
medRxiv
DOI 10.1101/2024.03.25.24304773, PubMed 38585944

Kreis I, Wold KF, Åsbø G, Simonsen C, Flaaten CB, Engen MJ, Lyngstad SH, Widing LH, Ueland T, Melle I (2024)
The relationship between visual hallucinations, functioning, and suicidality over the course of illness: a 10-year follow-up study in first-episode psychosis
Schizophrenia (Heidelb), 10 (1), 30
DOI 10.1038/s41537-024-00450-8, PubMed 38431677

Simonsen C, Åsbø G, Slade M, Wold KF, Widing L, Flaaten CB, Engen MJ, Lyngstad SH, Gardsjord E, Bjella T, Romm KL, Ueland T, Melle I (2024)
A good life with psychosis: rate of positive outcomes in first-episode psychosis at 10-year follow-up
Psychol Med, 1-10 (in press)
DOI 10.1017/S0033291724000205, PubMed 38389456

Sæther LS, Szabo A, Akkouh IA, Haatveit B, Mohn C, Vaskinn A, Aukrust P, Ormerod MBEG, Eiel Steen N, Melle I, Djurovic S, Andreassen OA, Ueland T, Ueland T (2024)
Cognitive and inflammatory heterogeneity in severe mental illness: Translating findings from blood to brain
Brain Behav Immun, 118, 287-299
DOI 10.1016/j.bbi.2024.03.014, PubMed 38461955

Vaskinn A, Ueland T, Melle I, Sundet K (2024)
Sex differences in social cognition among individuals with schizophrenia and in healthy control participants: a secondary analysis of published data
Arch Womens Ment Health (in press)
DOI 10.1007/s00737-024-01422-8, PubMed 38244033

Publications 2023

Flaaten CB, Melle I, Bjella T, Engen MJ, Åsbø G, Wold KF, Widing L, Gardsjord E, Øie MG, Lyngstad SH, Haatveit B, Simonsen C, Ueland T (2023)
Long-term course of cognitive functioning in bipolar disorder: A ten-year follow-up study
Bipolar Disord, 26 (2), 136-147
DOI 10.1111/bdi.13364, PubMed 37356974

Hindley G, Shadrin AA, van der Meer D, Parker N, Cheng W, O'Connell KS, Bahrami S, Lin A, Karadag N, Holen B, Bjella T, Deary IJ, Davies G, Hill WD, Bressler J, Seshadri S, Fan CC, Ueland T, Djurovic S, Smeland OB, Frei O, Dale AM, Andreassen OA (2023)
Multivariate genetic analysis of personality and cognitive traits reveals abundant pleiotropy
Nat Hum Behav, 7 (9), 1584-1600
DOI 10.1038/s41562-023-01630-9, PubMed 37365406

Haatveit B, Westlye LT, Vaskinn A, Flaaten CB, Mohn C, Bjella T, Sæther LS, Sundet K, Melle I, Andreassen OA, Alnæs D, Ueland T (2023)
Intra- and inter-individual cognitive variability in schizophrenia and bipolar spectrum disorder: an investigation across multiple cognitive domains
Schizophrenia (Heidelb), 9 (1), 89
DOI 10.1038/s41537-023-00414-4, PubMed 38110366

Ihler HM, Lyngstad SH, Gardsjord ES, Widing LH, Flaaten CB, Åsbø G, Wold KF, Engen MJ, Simonsen C, Ueland T, Lagerberg TV, Melle I, Romm KL (2023)
The trajectory of two negative symptom dimensions in first-episode psychosis and the role of cannabis use: A 10-year follow-up study
Schizophr Res, 252, 317-325
DOI 10.1016/j.schres.2023.01.024, PubMed 36706477

Lunding SH, Ueland T, Aas M, Høegh MC, Werner MCF, Rødevand L, Johansen IT, Hjell G, Ormerod MBEG, Ringen PA, Ottesen A, Lagerberg TV, Melle I, Andreassen OA, Simonsen C, Steen NE (2023)
Tobacco smoking related to childhood trauma mediated by cognitive control and impulsiveness in severe mental disorders
Schizophr Res, 261, 236-244
DOI 10.1016/j.schres.2023.09.041, PubMed 37806047

Løchen AR, Kolskår KK, de Lange AG, Sneve MH, Haatveit B, Lagerberg TV, Ueland T, Melle I, Andreassen OA, Westlye LT, Alnæs D (2023)
Visual processing deficits in patients with schizophrenia spectrum and bipolar disorders and associations with psychotic symptoms, and intellectual abilities
Heliyon, 9 (2), e13354
DOI 10.1016/j.heliyon.2023.e13354, PubMed 36825178

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

Wold KF, Ottesen A, Camilla BF, Johnsen E, Lagerberg TV, Romm KL, Simonsen C, Ueland T, Widing L, Åsbø G, Melle I (2023)
Early identification of treatment non-response in first-episode psychosis
Eur Psychiatry, 66 (1), e30
DOI 10.1192/j.eurpsy.2023.15, PubMed 36915260

Wootton O, Shadrin AA, Bjella T, Smeland OB, van der Meer D, Frei O, O'Connell KS, Ueland T, Andreassen OA, Stein DJ, Dalvie S (2023)
Genomic Insights into the Shared and Distinct Genetic Architecture of Cognitive Function and Schizophrenia
medRxiv
DOI 10.1101/2023.11.13.23298348, PubMed 38014326

Publications 2022

Andreou D, Jørgensen KN, Nerland S, Ueland T, Vaskinn A, Haukvik UK, Yolken RH, Andreassen OA, Agartz I (2022)
Herpes simplex virus 1 infection on grey matter and general intelligence in severe mental illness
Transl Psychiatry, 12 (1), 276
DOI 10.1038/s41398-022-02044-3, PubMed 35821107

Bjella TD, Collier Høegh M, Holmstul Olsen S, Aminoff SR, Barrett E, Ueland T, Icick R, Andreassen OA, Nerhus M, Myhre Ihler H, Hagen M, Busch-Christensen C, Melle I, Lagerberg TV (2022)
Developing "MinDag" - an app to capture symptom variation and illness mechanisms in bipolar disorder
Front Med Technol, 4, 910533
DOI 10.3389/fmedt.2022.910533, PubMed 35935144

Elkjaer Greenwood Ormerod MB, Ueland T, Frogner Werner MC, Hjell G, Rødevand L, Sæther LS, Lunding SH, Johansen IT, Ueland T, Lagerberg TV, Melle I, Djurovic S, Andreassen OA, Steen NE (2022)
Composite immune marker scores associated with severe mental disorders and illness course
Brain Behav Immun Health, 24, 100483
DOI 10.1016/j.bbih.2022.100483, PubMed 35856063

Engen MJ, Vaskinn A, Melle I, Færden A, Lyngstad SH, Flaaten CB, Widing LH, Wold KF, Åsbø G, Haatveit B, Simonsen C, Ueland T (2022)
Cognitive and Global Functioning in Patients With First-Episode Psychosis Stratified by Level of Negative Symptoms. A 10-Year Follow-Up Study
Front Psychiatry, 13, 841057
DOI 10.3389/fpsyt.2022.841057, PubMed 35401286

Flaaten CB, Melle I, Bjella T, Engen MJ, Åsbø G, Wold KF, Widing L, Gardsjord E, Sæther LS, Øie MG, Lyngstad SH, Haatveit B, Simonsen C, Ueland T (2022)
Domain-specific cognitive course in schizophrenia: Group- and individual-level changes over 10 years
Schizophr Res Cogn, 30, 100263
DOI 10.1016/j.scog.2022.100263, PubMed 35783460

Flaaten CB, Melle I, Gardsjord E, Bjella T, Engen MJ, Vaskinn A, Åsbø G, Wold KF, Widing L, Lyngstad SH, Haatveit B, Simonsen C, Ueland T (2022)
Course of intellectual functioning in schizophrenia and bipolar disorder: a 10-year follow-up study
Psychol Med, 53 (6), 2662-2670
DOI 10.1017/S0033291721004645, PubMed 35256030

Gjerdalen OS, Lystad JU, Bull H, Ringen PA, Røssberg JI, Martinsen EW, Ueland T, Falkum E, Evensen S (2022)
Vocational rehabilitation augmented with cognitive behavioral therapy or cognitive remediation for individuals with schizophrenia: a 5-year follow-up study
Nord J Psychiatry, 77 (1), 23-30
DOI 10.1080/08039488.2022.2042598, PubMed 35209785

Haugen I, Stubberud J, Haug E, McGurk SR, Hovik KT, Ueland T, Øie MG (2022)
A randomized controlled trial of Goal Management Training for executive functioning in schizophrenia spectrum disorders or psychosis risk syndromes
BMC Psychiatry, 22 (1), 575
DOI 10.1186/s12888-022-04197-3, PubMed 36031616

Haugen I, Ueland T, Stubberud J, Brunborg C, Wykes T, Øie MG, Haug E (2022)
Moderators of metacognitive strategy training for executive functioning in early schizophrenia and psychosis risk
Schizophr Res Cogn, 31, 100275
DOI 10.1016/j.scog.2022.100275, PubMed 36467875

Høegh MC, Melle I, Aminoff SR, Olsen SH, Lunding SH, Ueland T, Lagerberg TV (2022)
Affective lability and social functioning in severe mental disorders
Eur Arch Psychiatry Clin Neurosci, 272 (5), 873-885
DOI 10.1007/s00406-022-01380-1, PubMed 35084540

Mørch-Johnsen L, Smelror RE, Andreou D, Barth C, Johannessen C, Wedervang-Resell K, Wortinger LA, Díaz R, Victoria G, Ueland T, Andreassen OA, Myhre AM, Rund BR, Ulloa RE, Agartz I (2022)
Negative Symptom Domains Are Associated With Verbal Learning in Adolescents With Early Onset Psychosis
Front Psychiatry, 12, 825681
DOI 10.3389/fpsyt.2021.825681, PubMed 35069300

Sahl AC, Rognlien HF, Andreassen OA, Melle I, Ueland T, Vaskinn A (2022)
Theory of mind in schizophrenia: a comparison of subgroups with low and high IQ
Nord J Psychiatry, 77 (4), 329-335
DOI 10.1080/08039488.2022.2106512, PubMed 35916656

Sæther LS, Ueland T, Haatveit B, Maglanoc LA, Szabo A, Djurovic S, Aukrust P, Roelfs D, Mohn C, Ormerod MBEG, Lagerberg TV, Steen NE, Melle I, Andreassen OA, Ueland T (2022)
Inflammation and cognition in severe mental illness: patterns of covariation and subgroups
Mol Psychiatry, 28 (3), 1284-1292
DOI 10.1038/s41380-022-01924-w, PubMed 36577840

Widing L, Simonsen C, Flaaten CB, Haatveit B, Vik RK, Wold KF, Åsbø G, Ueland T, Melle I (2022)
Premorbid characteristics of patients with DSM-IV psychotic disorders
Compr Psychiatry, 115, 152310
DOI 10.1016/j.comppsych.2022.152310, PubMed 35385814

Aas M, Ueland T, Lagerberg TV, Melle I, Aminoff SR, Hoegh MC, Lunding SH, Laskemoen JF, Steen NE, Andreassen OA (2022)
Retrospectively assessed childhood trauma experiences are associated with illness severity in mental disorders adjusted for symptom state
Psychiatry Res, 320, 115045
DOI 10.1016/j.psychres.2022.115045, PubMed 36621206

Åsbø G, Ueland T, Haatveit B, Bjella T, Flaaten CB, Wold KF, Widing L, Engen MJ, Lyngstad SH, Gardsjord E, Romm KL, Melle I, Simonsen C (2022)
The Time is Ripe for a Consensus Definition of Clinical Recovery in First-episode Psychosis: Suggestions Based on a 10-Year Follow-up Study
Schizophr Bull, 48 (4), 839-849
DOI 10.1093/schbul/sbac035, PubMed 35419608

Publications 2021

Andreou D, Jørgensen KN, Wortinger LA, Engen K, Vaskinn A, Ueland T, Yolken RH, Andreassen OA, Agartz I (2021)
Cytomegalovirus infection and IQ in patients with severe mental illness and healthy individuals
Psychiatry Res, 300, 113929
DOI 10.1016/j.psychres.2021.113929, PubMed 33866186

Bahrami S, Shadrin A, Frei O, O'Connell KS, Bettella F, Krull F, Fan CC, Røssberg JI, Hindley G, Ueland T, Dale AM, Djurovic S, Steen NE, Smeland OB, Andreassen OA (2021)
Genetic loci shared between major depression and intelligence with mixed directions of effect
Nat Hum Behav, 5 (6), 795-801
DOI 10.1038/s41562-020-01031-2, PubMed 33462475

Haugen I, Stubberud J, Ueland T, Haug E, Øie MG (2021)
Executive dysfunction in schizophrenia: Predictors of the discrepancy between subjective and objective measures
Schizophr Res Cogn, 26, 100201
DOI 10.1016/j.scog.2021.100201, PubMed 34189060

Høegh MC, Melle I, Aminoff SR, Haatveit B, Olsen SH, Huflåtten IB, Ueland T, Lagerberg TV (2021)
Characterization of affective lability across subgroups of psychosis spectrum disorders
Int J Bipolar Disord, 9 (1), 34
DOI 10.1186/s40345-021-00238-0, PubMed 34734342

Klungsøyr O, Lystad JU, Bull H, Evensen S, Ueland T, Falkum E (2021)
G-estimation of causal pathways in vocational rehabilitation for adults with psychotic disorders - a secondary analysis of a randomized trial
BMC Psychiatry, 21 (1), 370
DOI 10.1186/s12888-021-03349-1, PubMed 34301224

Lunding SH, Simonsen C, Aas M, Rødevand L, Werner MCF, Laskemoen JF, Hjell G, Ringen PA, Lagerberg TV, Melle I, Andreassen OA, Ueland T, Steen NE (2021)
Childhood trauma and cardiometabolic risk in severe mental disorders: The mediating role of cognitive control
Eur Psychiatry, 64 (1), e24
DOI 10.1192/j.eurpsy.2021.14, PubMed 33775258

Smelror RE, Johannessen C, Wedervang-Resell K, Jørgensen KN, Barth C, Andreou D, Ueland T, Andreassen OA, Myhre AM, Rund BR, Agartz I (2021)
Cognitive impairment profile in adolescent early-onset psychosis using the MATRICS Battery: Age and sex effects
Neuropsychology, 35 (3), 300-309
DOI 10.1037/neu0000723, PubMed 33970663

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

Wortinger LA, Jørgensen KN, Barth C, Nerland S, Smelror RE, Vaskinn A, Ueland T, Andreassen OA, Agartz I (2021)
Significant association between intracranial volume and verbal intellectual abilities in patients with schizophrenia and a history of birth asphyxia
Psychol Med, 52 (15), 1-10 (in press)
DOI 10.1017/S0033291721000489, PubMed 33750510

Aas M, Ueland T, Mørch RH, Laskemoen JF, Lunding SH, Reponen EJ, Cattaneo A, Agartz I, Melle I, Steen NE, Andreassen OA (2021)
Physical activity and childhood trauma experiences in patients with schizophrenia or bipolar disorders
World J Biol Psychiatry, 22 (8), 637-645
DOI 10.1080/15622975.2021.1907707, PubMed 33779484

Publications 2020

Engen MJ, Lyngstad SH, Ueland T, Simonsen CE, Vaskinn A, Smeland O, Bettella F, Lagerberg TV, Djurovic S, Andreassen OA, Melle I (2020)
Polygenic scores for schizophrenia and general cognitive ability: associations with six cognitive domains, premorbid intelligence, and cognitive composite score in individuals with a psychotic disorder and in healthy controls
Transl Psychiatry, 10 (1), 416
DOI 10.1038/s41398-020-01094-9, PubMed 33257657

Hammar Å, Semkovska M, Borgen IMH, Myklebost S, Ronold EH, Sveen T, Ueland T, Porter R, Johnson SL (2020)
A pilot study of cognitive remediation in remitted major depressive disorder patients
Appl Neuropsychol Adult, 29 (2), 172-182
DOI 10.1080/23279095.2020.1726919, PubMed 32088993

Hjelseng IV, Vaskinn A, Ueland T, Lunding SH, Reponen EJ, Steen NE, Andreassen OA, Aas M (2020)
Childhood trauma is associated with poorer social functioning in severe mental disorders both during an active illness phase and in remission
Schizophr Res, 243, 241-246
DOI 10.1016/j.schres.2020.03.015, PubMed 32222348

Høegh MC, Melle I, Aminoff SR, Laskemoen JF, Büchmann CB, Ueland T, Lagerberg TV (2020)
Affective lability across psychosis spectrum disorders
Eur Psychiatry, 63 (1), e53
DOI 10.1192/j.eurpsy.2020.44, PubMed 32372737

Haatveit B, Mørch-Johnsen L, Alnæs D, Engen MJ, Lyngstad SH, Færden A, Agartz I, Ueland T, Melle I (2020)
Divergent relationship between brain structure and cognitive functioning in patients with prominent negative symptomatology
Psychiatry Res Neuroimaging, 307, 111233
DOI 10.1016/j.pscychresns.2020.111233, PubMed 33340940

Smeland OB, Bahrami S, Frei O, Shadrin A, O'Connell K, Savage J, Watanabe K, Krull F, Bettella F, Steen NE, Ueland T, Posthuma D, Djurovic S, Dale AM, Andreassen OA (2020)
Correction: Genome-wide analysis reveals extensive genetic overlap between schizophrenia, bipolar disorder, and intelligence
Mol Psychiatry, 25 (4), 914
DOI 10.1038/s41380-019-0456-7, PubMed 31308466

Smelror RE, Rund BR, Lonning V, Jørgensen KN, Wedervang-Resell K, Andreassen OA, Ueland T, Myhre AM, Agartz I (2020)
Negative and disorganized symptoms mediate the relationship between verbal learning and global functioning in adolescents with early-onset psychosis
Eur Child Adolesc Psychiatry, 29 (12), 1693-1703
DOI 10.1007/s00787-020-01479-7, PubMed 32036438

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 et 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

Vaskinn A, Haatveit B, Melle I, Andreassen OA, Ueland T, Sundet K (2020)
Cognitive Heterogeneity across Schizophrenia and Bipolar Disorder: A Cluster Analysis of Intellectual Trajectories
J Int Neuropsychol Soc, 26 (9), 860-872
DOI 10.1017/S1355617720000442, PubMed 32423506

Widing L, Simonsen C, Flaaten CB, Haatveit B, Vik RK, Wold KF, Åsbø G, Ueland T, Melle I (2020)
Symptom Profiles in Psychotic Disorder Not Otherwise Specified
Front Psychiatry, 11, 580444
DOI 10.3389/fpsyt.2020.580444, PubMed 33281644

Aas M, Ueland T, Inova A, Melle I, Andreassen OA, Steen NE (2020)
Childhood Trauma Is Nominally Associated With Elevated Cortisol Metabolism in Severe Mental Disorder
Front Psychiatry, 11, 391
DOI 10.3389/fpsyt.2020.00391, PubMed 32528319

Publications 2019

Bowie CR, Bell MD, Fiszdon JM, Johannesen JK, Lindenmayer JP, McGurk SR, Medalia AA, Penadés R, Saperstein AM, Twamley EW, Ueland T, Wykes T (2019)
Cognitive remediation for schizophrenia: An expert working group white paper on core techniques
Schizophr Res, 215, 49-53
DOI 10.1016/j.schres.2019.10.047, PubMed 31699627

Engen MJ, Simonsen C, Melle I, Færden A, Lyngstad SH, Haatveit B, Vaskinn A, Ueland T (2019)
Cognitive functioning in patients with first-episode psychosis stratified by level of negative symptoms: A 1-year follow-up study
Psychiatry Res, 281, 112554
DOI 10.1016/j.psychres.2019.112554, PubMed 31499342

Evensen S, Wisløff T, Lystad JU, Bull H, Martinsen EW, Ueland T, Falkum E (2019)
Exploring the potential cost-effectiveness of a vocational rehabilitation program for individuals with schizophrenia in a high-income welfare society
BMC Psychiatry, 19 (1), 140
DOI 10.1186/s12888-019-2130-7, PubMed 31064371

Frøyhaug M, Andersson S, Andreassen OA, Ueland T, Vaskinn A (2019)
Theory of mind in schizophrenia and bipolar disorder: psychometric properties of the Norwegian version of the Hinting Task
Cogn Neuropsychiatry, 24 (6), 454-469
DOI 10.1080/13546805.2019.1674645, PubMed 31578118

Gjerde PB, Simonsen CE, Lagerberg TV, Steen NE, Ueland T, Andreassen OA, Steen VM, Melle I (2019)
Improvement in verbal learning over the first year of antipsychotic treatment is associated with serum HDL levels in a cohort of first episode psychosis patients
Eur Arch Psychiatry Clin Neurosci, 270 (1), 49-58
DOI 10.1007/s00406-019-01017-w, PubMed 31028479

Laskemoen JF, Büchmann C, Barrett EA, Collier-Høegh M, Haatveit B, Vedal TJ, Ueland T, Melle I, Aas M, Simonsen C (2019)
Do sleep disturbances contribute to cognitive impairments in schizophrenia spectrum and bipolar disorders?
Eur Arch Psychiatry Clin Neurosci, 270 (6), 749-759
DOI 10.1007/s00406-019-01075-0, PubMed 31587109

O'Connell KS, Shadrin A, Smeland OB, Bahrami S, Frei O, Bettella F, Krull F, Fan CC, Askeland RB, Knudsen GPS, Halmøy A, Steen NE, Ueland T, Walters GB, Davíðsdóttir K, Haraldsdóttir GS, Guðmundsson ÓÓ, Stefánsson H, Reichborn-Kjennerud T, Haavik J, Dale AM, Stefánsson K, Djurovic S, Andreassen OA (2019)
Identification of Genetic Loci Shared Between Attention-Deficit/Hyperactivity Disorder, Intelligence, and Educational Attainment
Biol Psychiatry, 87 (12), 1052-1062
DOI 10.1016/j.biopsych.2019.11.015, PubMed 32061372

Simonsen C, Aminoff SR, Vaskinn A, Barrett EA, Faerden A, Ueland T, Andreassen OA, Romm KL, Melle I (2019)
Perceived and experienced stigma in first-episode psychosis: A 1-year follow-up study
Compr Psychiatry, 95, 152134
DOI 10.1016/j.comppsych.2019.152134, PubMed 31669787

Smeland OB, Bahrami S, Frei O, Shadrin A, O'Connell K, Savage J, Watanabe K, Krull F, Bettella F, Steen NE, Ueland T, Posthuma D, Djurovic S, Dale AM, Andreassen OA (2019)
Genome-wide analysis reveals extensive genetic overlap between schizophrenia, bipolar disorder, and intelligence
Mol Psychiatry, 25 (4), 844-853
DOI 10.1038/s41380-018-0332-x, PubMed 30610197

Smelror RE, Jørgensen KN, Lonning V, Kelleher I, Cannon M, DeRosse P, Malhotra AK, Karlsgodt KH, Andreassen OA, Lundberg M, Edbom T, Cleland N, Ueland T, Myhre AM, Rund BR, Agartz I (2019)
Healthy Adolescent Performance With Standardized Scoring Tables for the MATRICS Consensus Cognitive Battery: A Multisite Study
Schizophr Bull, 45 (4), 773-783
DOI 10.1093/schbul/sby131, PubMed 30239900

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, 50 (11), 1914-1922
DOI 10.1017/S0033291719002046, PubMed 31456537

Aas M, Djurovic S, Ueland T, Mørch RH, Fjæra Laskemoen J, Reponen EJ, Cattaneo A, Eiel Steen N, Agartz I, Melle I, Andreassen OA (2019)
The relationship between physical activity, clinical and cognitive characteristics and BDNF mRNA levels in patients with severe mental disorders
World J Biol Psychiatry, 20 (7), 567-576
DOI 10.1080/15622975.2018.1557345, PubMed 30560709

Aas M, Pizzagalli DA, Laskemoen JF, Reponen EJ, Ueland T, Melle I, Agartz I, Steen NE, Andreassen OA (2019)
Elevated hair cortisol is associated with childhood maltreatment and cognitive impairment in schizophrenia and in bipolar disorders
Schizophr Res, 213, 65-71
DOI 10.1016/j.schres.2019.01.011, PubMed 30660575

Publications 2018

Akkouh IA, Ueland T, Andreassen OA, Brattbakk HR, Steen VM, Hughes T, Djurovic S (2018)
Expression of TCN1 in Blood is Negatively Associated with Verbal Declarative Memory Performance
Sci Rep, 8 (1), 12654
DOI 10.1038/s41598-018-30898-5, PubMed 30139959

Engelstad KN, Rund BR, Torgalsbøen AK, Lau B, Ueland T, Vaskinn A (2018)
Large social cognitive impairments characterize homicide offenders with schizophrenia
Psychiatry Res, 272, 209-215
DOI 10.1016/j.psychres.2018.12.087, PubMed 30590274

Simonsen C, Faerden A, Ueland T, Vaskinn A, Bjella T, Andreassen O, Romm KL, Melle I (2018)
Self-rated disability in first treated episode of psychosis: A 1-year follow-up study
Compr Psychiatry, 85, 48-54
DOI 10.1016/j.comppsych.2018.06.004, PubMed 29981504

Srinivasan S, Bettella F, Frei O, Hill WD, Wang Y, Witoelar A, Schork AJ, Thompson WK, Davies G, Desikan RS, Deary IJ, Melle I, Ueland T, Dale AM, Djurovic S, Smeland OB, Andreassen OA (2018)
Enrichment of genetic markers of recent human evolution in educational and cognitive traits
Sci Rep, 8 (1), 12585
DOI 10.1038/s41598-018-30387-9, PubMed 30135563

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 et al. (2018)
Dose response of the 16p11.2 distal copy number variant on intracranial volume and basal ganglia
Mol Psychiatry, 25 (3), 584-602
DOI 10.1038/s41380-018-0118-1, PubMed 30283035

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

Wolfers T, Doan NT, Kaufmann T, Alnæs D, Moberget T, Agartz I, Buitelaar JK, Ueland T, Melle I, Franke B, Andreassen OA, Beckmann CF, Westlye LT, Marquand AF (2018)
Mapping the Heterogeneous Phenotype of Schizophrenia and Bipolar Disorder Using Normative Models
JAMA Psychiatry, 75 (11), 1146-1155
DOI 10.1001/jamapsychiatry.2018.2467, PubMed 30304337

Publications 2017

Demmo C, Lagerberg TV, Kvitland LR, Aminoff SR, Hellvin T, Simonsen C, Haatveit B, Andreassen OA, Melle I, Ueland T (2017)
Neurocognitive functioning, clinical course and functional outcome in first-treatment bipolar I disorder patients with and without clinical relapse: A 1-year follow-up study
Bipolar Disord, 20 (3), 228-237
DOI 10.1111/bdi.12569, PubMed 29121444

Doan NT, Kaufmann T, Bettella F, Jørgensen KN, Brandt CL, Moberget T, Alnæs D, Douaud G, Duff E, Djurovic S, Melle I, Ueland T, Agartz I, Andreassen OA, Westlye LT (2017)
Distinct multivariate brain morphological patterns and their added predictive value with cognitive and polygenic risk scores in mental disorders
Neuroimage Clin, 15, 719-731
DOI 10.1016/j.nicl.2017.06.014, PubMed 28702349

Falkum E, Klungsøyr O, Lystad JU, Bull HC, Evensen S, Martinsen EW, Friis S, Ueland T (2017)
Vocational rehabilitation for adults with psychotic disorders in a Scandinavian welfare society
BMC Psychiatry, 17 (1), 24
DOI 10.1186/s12888-016-1183-0, PubMed 28095813

Hoseth EZ, Ueland T, Dieset I, Birnbaum R, Shin JH, Kleinman JE, Hyde TM, Mørch RH, Hope S, Lekva T, Abraityte AJ, Michelsen AE, Melle I, Westlye LT, Ueland T, Djurovic S, Aukrust P, Weinberger DR, Andreassen OA (2017)
A Study of TNF Pathway Activation in Schizophrenia and Bipolar Disorder in Plasma and Brain Tissue
Schizophr Bull, 43 (4), 881-890
DOI 10.1093/schbul/sbw183, PubMed 28049760

Mohn C, Lystad JU, Ueland T, Falkum E, Rund BR (2017)
Factor analyzing the Norwegian MATRICS Consensus Cognitive Battery
Psychiatry Clin Neurosci, 71 (5), 336-345
DOI 10.1111/pcn.12513, PubMed 28182301

Nerhus M, Berg AO, Simonsen C, Haram M, Haatveit B, Dahl SR, Gurholt TP, Bjella TD, Ueland T, Andreassen OA, Melle I (2017)
Vitamin D Deficiency Associated With Cognitive Functioning in Psychotic Disorders
J Clin Psychiatry, 78 (7), e750-e757
DOI 10.4088/JCP.16m10880, PubMed 28493652

Simonsen C, Faerden A, Romm KL, Berg AO, Bjella T, Sundet K, Ueland T, Andreassen O, Melle I (2017)
Early clinical recovery in first-episode psychosis: Symptomatic remission and its correlates at 1-year follow-up
Psychiatry Res, 254, 118-125
DOI 10.1016/j.psychres.2017.04.050, PubMed 28460281

Smeland OB, Frei O, Kauppi K, Hill WD, Li W, Wang Y, Krull F, Bettella F, Eriksen JA, Witoelar A, Davies G, Fan CC, Thompson WK, Lam M, Lencz T, Chen CH, Ueland T, Jönsson EG, Djurovic S, Deary IJ, Dale AM, Andreassen OA, NeuroCHARGE (Cohorts for Heart and Aging Research in Genomic Epidemiology) Cognitive Working Group (2017)
Identification of Genetic Loci Jointly Influencing Schizophrenia Risk and the Cognitive Traits of Verbal-Numerical Reasoning, Reaction Time, and General Cognitive Function
JAMA Psychiatry, 74 (10), 1065-1075
DOI 10.1001/jamapsychiatry.2017.1986, PubMed 28746715

Vaskinn A, Lagerberg TV, Bjella TD, Simonsen C, Andreassen OA, Ueland T, Sundet K (2017)
Impairment in emotion perception from body movements in individuals with bipolar I and bipolar II disorder is associated with functional capacity
Int J Bipolar Disord, 5 (1), 13
DOI 10.1186/s40345-017-0083-7, PubMed 28332121

Publications 2016

Bull H, Ueland T, Lystad JU, Evensen S, Martinsen EW, Falkum E (2016)
Vocational Functioning in Schizophrenia Spectrum Disorders: Does Apathy Matter?
J Nerv Ment Dis, 204 (8), 599-605
DOI 10.1097/NMD.0000000000000504, PubMed 26998695

Demmo C, Lagerberg TV, Aminoff SR, Hellvin T, Kvitland LR, Simonsen C, Andreassen OA, Melle I, Ueland T (2016)
History of psychosis and previous episodes as potential explanatory factors for neurocognitive impairment in first-treatment bipolar I disorder
Bipolar Disord, 18 (2), 136-47
DOI 10.1111/bdi.12377, PubMed 26990158

Demmo C, Lagerberg TV, Aminoff SR, Hellvin T, Kvitland LR, Simonsen C, Haatveit B, Andreassen OA, Melle I, Ueland T (2016)
Course of neurocognitive function in first treatment bipolar I disorder: One-year follow-up study
Psychiatry Res, 249, 286-292
DOI 10.1016/j.psychres.2016.12.048, PubMed 28142102

Evensen S, Ueland T, Lystad JU, Bull H, Klungsøyr O, Martinsen EW, Falkum E (2016)
Employment outcome and predictors of competitive employment at 2-year follow-up of a vocational rehabilitation programme for individuals with schizophrenia in a high-income welfare society
Nord J Psychiatry, 71 (3), 180-187
DOI 10.1080/08039488.2016.1247195, PubMed 27774843

Haatveit B, Jensen J, Alnæs D, Kaufmann T, Brandt CL, Thoresen C, Andreassen OA, Melle I, Ueland T, Westlye LT (2016)
Reduced load-dependent default mode network deactivation across executive tasks in schizophrenia spectrum disorders
Neuroimage Clin, 12, 389-96
DOI 10.1016/j.nicl.2016.08.012, PubMed 27622135

Kaufmann T, Alnæs D, Brandt CL, Doan NT, Kauppi K, Bettella F, Lagerberg TV, Berg AO, Djurovic S, Agartz I, Melle IS, Ueland T, Andreassen OA, Westlye LT (2016)
Task modulations and clinical manifestations in the brain functional connectome in 1615 fMRI datasets
Neuroimage, 147, 243-252
DOI 10.1016/j.neuroimage.2016.11.073, PubMed 27916665

Lystad JU, Falkum E, Haaland VØ, Bull H, Evensen S, McGurk SR, Ueland T (2016)
Cognitive remediation and occupational outcome in schizophrenia spectrum disorders: A 2year follow-up study
Schizophr Res, 185, 122-129
DOI 10.1016/j.schres.2016.12.020, PubMed 28041917

Porter RJ, Hammar Å, Beevers CG, Bowie CR, Nodtvedt ØO, Peckham AD, Siegle GJ, Tharp JA, Ueland T, Vinogradov S, Johnson SL (2016)
Cognitive and affective remediation training for mood disorders
Aust N Z J Psychiatry, 51 (4), 317-319
DOI 10.1177/0004867416678079, PubMed 28343432

Steen NE, Aas M, Simonsen C, Dieset I, Tesli M, Nerhus M, Gardsjord E, Mørch R, Agartz I, Melle I, Ueland T, Spigset O, Andreassen OA (2016)
Serum levels of second-generation antipsychotics are associated with cognitive function in psychotic disorders
World J Biol Psychiatry, 18 (6), 471-482
DOI 10.1080/15622975.2016.1245441, PubMed 27712130

Vaskinn A, Sundet K, Østefjells T, Nymo K, Melle I, Ueland T (2016)
Reading Emotions from Body Movement: A Generalized Impairment in Schizophrenia
Front Psychol, 6, 2058
DOI 10.3389/fpsyg.2015.02058, PubMed 26834672

Publications 2015

Brandt CL, Kaufmann T, Agartz I, Hugdahl K, Jensen J, Ueland T, Haatveit B, Skatun KC, Doan NT, Melle I, Andreassen OA, Westlye LT (2015)
Cognitive Effort and Schizophrenia Modulate Large-Scale Functional Brain Connectivity
Schizophr Bull, 41 (6), 1360-9
DOI 10.1093/schbul/sbv013, PubMed 25731885

Evensen S, Wisløff T, Lystad JU, Bull H, Ueland T, Falkum E (2015)
Prevalence, Employment Rate, and Cost of Schizophrenia in a High-Income Welfare Society: A Population-Based Study Using Comprehensive Health and Welfare Registers
Schizophr Bull, 42 (2), 476-83
DOI 10.1093/schbul/sbv141, PubMed 26433216

Hope S, Hoseth E, Dieset I, Mørch RH, Aas M, Aukrust P, Djurovic S, Melle I, Ueland T, Agartz I, Ueland T, Westlye LT, Andreassen OA (2015)
Inflammatory markers are associated with general cognitive abilities in schizophrenia and bipolar disorder patients and healthy controls
Schizophr Res, 165 (2-3), 188-94
DOI 10.1016/j.schres.2015.04.004, PubMed 25956633

Haatveit B, Vaskinn A, Sundet KS, Jensen J, Andreassen OA, Melle I, Ueland T (2015)
Stability of executive functions in first episode psychosis: One year follow up study
Psychiatry Res, 228 (3), 475-81
DOI 10.1016/j.psychres.2015.05.060, PubMed 26165960

Kaufmann T, Skåtun KC, Alnæs D, Doan NT, Duff EP, Tønnesen S, Roussos E, Ueland T, Aminoff SR, Lagerberg TV, Agartz I, Melle IS, Smith SM, Andreassen OA, Westlye LT (2015)
Disintegration of Sensorimotor Brain Networks in Schizophrenia
Schizophr Bull, 41 (6), 1326-35
DOI 10.1093/schbul/sbv060, PubMed 25943122

Lystad JU, Falkum E, Haaland VØ, Bull H, Evensen S, Bell MD, Ueland T (2015)
Neurocognition and occupational functioning in schizophrenia spectrum disorders: The MATRICS Consensus Cognitive Battery (MCCB) and workplace assessments
Schizophr Res, 170 (1), 143-9
DOI 10.1016/j.schres.2015.12.002, PubMed 26692347

Publications 2014

Bull H, Ueland T, Lystad JU, Evensen S, Friis S, Martinsen EW, Falkum E (2014)
Validation of the work behavior inventory
Nord J Psychiatry, 69 (4), 300-6
DOI 10.3109/08039488.2014.973902, PubMed 25393653

Kauppi K, Westlye LT, Tesli M, Bettella F, Brandt CL, Mattingsdal M, Ueland T, Espeseth T, Agartz I, Melle I, Djurovic S, Andreassen OA (2014)
Polygenic risk for schizophrenia associated with working memory-related prefrontal brain activation in patients with schizophrenia and healthy controls
Schizophr Bull, 41 (3), 736-43
DOI 10.1093/schbul/sbu152, PubMed 25392519

Lystad JU, Falkum E, Mohn C, Haaland VØ, Bull H, Evensen S, Rund BR, Ueland T (2014)
The MATRICS Consensus Cognitive Battery (MCCB): performance and functional correlates
Psychiatry Res, 220 (3), 1094-101
DOI 10.1016/j.psychres.2014.08.060, PubMed 25242432

Vaskinn A, Ueland T, Melle I, Agartz I, Andreassen OA, Sundet K (2014)
Neurocognitive Decrements are Present in Intellectually Superior Schizophrenia
Front Psychiatry, 5, 45
DOI 10.3389/fpsyt.2014.00045, PubMed 24847284

Publications 2013

Vaskinn A, Sundet K, Ueland T, Agartz I, Melle I, Andreassen OA (2013)
Social cognition and clinical insight in schizophrenia and bipolar disorder
J Nerv Ment Dis, 201 (6), 445-51
DOI 10.1097/NMD.0b013e31829480c8, PubMed 23686158

Publications 2012

Bratlien U, Øie M, Lien L, Agartz I, Lie Romm K, Vaskinn A, Ueland T, Andreassen OA, Melle I (2012)
Social dysfunction in first-episode psychosis and relations to neurocognition, duration of untreated psychosis and clinical symptoms
Psychiatry Res, 207 (1-2), 33-9
DOI 10.1016/j.psychres.2012.10.010, PubMed 23153893

Holmén A, Juuhl-Langseth M, Thormodsen R, Ueland T, Agartz I, Sundet K, Andreassen OA, Rund BR, Melle I (2012)
Executive function in early- and adult onset schizophrenia
Schizophr Res, 142 (1-3), 177-82
DOI 10.1016/j.schres.2012.10.006, PubMed 23102692

Tandberg M, Sundet K, Andreassen OA, Melle I, Ueland T (2012)
Occupational functioning, symptoms and neurocognition in patients with psychotic disorders: investigating subgroups based on social security status
Soc Psychiatry Psychiatr Epidemiol, 48 (6), 863-74
DOI 10.1007/s00127-012-0598-2, PubMed 23064396

Tandberg M, Ueland T, Andreassen OA, Sundet K, Melle I (2012)
Factors associated with occupational and academic status in patients with first-episode psychosis with a particular focus on neurocognition
Soc Psychiatry Psychiatr Epidemiol, 47 (11), 1763-73
DOI 10.1007/s00127-012-0477-x, PubMed 22310699

Publications 2011

Egeland J, Ueland T, Johansen S (2011)
Central processing energetic factors mediate impaired motor control in ADHD combined subtype but not in ADHD inattentive subtype
J Learn Disabil, 45 (4), 361-70
DOI 10.1177/0022219411407922, PubMed 21685345

Oie M, Sundet K, Ueland T (2011)
Neurocognition and functional outcome in early-onset schizophrenia and attention-deficit/hyperactivity disorder: a 13-year follow-up
Neuropsychology, 25 (1), 25-35
DOI 10.1037/a0020855, PubMed 21090901

Tandberg M, Ueland T, Sundet K, Haahr U, Joa I, Johannessen JO, Larsen TK, Opjordsmoen S, Rund BR, Røssberg JI, Simonsen E, Vaglum P, Melle I, Friis S, McGlashan T (2011)
Neurocognition and occupational functioning in patients with first-episode psychosis: a 2-year follow-up study
Psychiatry Res, 188 (3), 334-42
DOI 10.1016/j.psychres.2011.04.021, PubMed 21575993

Publications 2010

Egeland J, Johansen SN, Ueland T (2010)
Do low-effort learning strategies mediate impaired memory in ADHD?
J Learn Disabil, 43 (5), 430-40
DOI 10.1177/0022219409355473, PubMed 20445203

Hellvin T, Sundet K, Vaskinn A, Simonsen C, Ueland T, Andreassen OA, Melle I (2010)
Validation of the Norwegian version of the Social Functioning Scale (SFS) for schizophrenia and bipolar disorder
Scand J Psychol, 51 (6), 525-33
DOI 10.1111/j.1467-9450.2010.00839.x, PubMed 20642739

Haatveit BC, Sundet K, Hugdahl K, Ueland T, Melle I, Andreassen OA (2010)
The validity of d prime as a working memory index: results from the "Bergen n-back task"
J Clin Exp Neuropsychol, 32 (8), 871-80
DOI 10.1080/13803391003596421, PubMed 20383801

Simonsen C, Sundet K, Vaskinn A, Ueland T, Romm KL, Hellvin T, Melle I, Friis S, Andreassen OA (2010)
Psychosocial function in schizophrenia and bipolar disorder: Relationship to neurocognition and clinical symptoms
J Int Neuropsychol Soc, 16 (5), 771-83
DOI 10.1017/S1355617710000573, PubMed 20509984

Ueland T, Øie M (2010)
Kognitiv svikt ved psykotiske lidelser: et informasjonshefte for personer med psykotisk lidelse, deres familie og venner
Stiftelsen Psykiatrisk opplysning, Stavanger, 11 s.
BIBSYS 102510164, ISBN 978-82-7786-233-0

Publications 2009

Egeland J, Johansen SN, Ueland T (2009)
Differentiating between ADHD sub-types on CCPT measures of sustained attention and vigilance
Scand J Psychol, 50 (4), 347-54
DOI 10.1111/j.1467-9450.2009.00717.x, PubMed 19486490

Vaskinn A, Sundet K, Friis S, Ueland T, Simonsen C, Birkenaes AB, Engh JA, Jónsdóttir H, Opjordsmoen S, Ringen PA, Andreassen OA (2009)
Using the Wisconsin Card Sorting Test to assess learning potential in normal IQ schizophrenia: does it have potential?
Nord J Psychiatry, 63 (5), 405-11
DOI 10.1080/08039480902879941, PubMed 19365785

Publications 2008

Landrø NI, Ueland T (2008)
Verbal memory and verbal fluency in adolescents with schizophrenia spectrum disorders
Psychiatry Clin Neurosci, 62 (6), 653-61
DOI 10.1111/j.1440-1819.2008.01864.x, PubMed 19068001

Vaskinn A, Sundet K, Friis S, Ueland T, Simonsen C, Birkenaes AB, Engh JA, Opjordsmoen S, Andreassen OA (2008)
Can learning potential in schizophrenia be assessed with the standard CVLT-II? An exploratory study
Scand J Psychol, 49 (2), 179-86
DOI 10.1111/j.1467-9450.2008.00627.x, PubMed 18352988

Publications 2006

Ueland T, Øie M (2006)
Kognitiv svikt ved psykoser: et informasjonshefte for personer med psykotisk lidelse, deres familie og venner
Stiftelsen Psykiatrisk opplysning, Stavanger, 11 s.
BIBSYS 061815322, ISBN 82-7786-192-3

Ueland T, Øie M (2006)
Kognitiv svikt ved psykotiske lidelser: et informasjonshefte for personer med psykotisk lidelse, deres familie og venner
Stiftelsen psykiatrisk opplysning, Stavanger, 11 s.
BIBSYS 080918263, ISBN 978-82-7786-215-6

Publications 2004

Ueland T (2004)
Cognitive deficits and cognitive remediaton: a study of adolescents with early onset psychosis
Department of Psychology, University of Oslo, Oslo, 1 b. (flere pag.)
BIBSYS 041467507, ISBN 82-569-2169-2

Ueland T, Rishovd Rund B, Borg NE, Newton E, Purvis R, Wykes T (2004)
Modification of performance on the Span of Apprehension Task in a group of young people with early onset psychosis
Scand J Psychol, 45 (1), 55-60
DOI 10.1111/j.1467-9450.2004.00378.x, PubMed 15016279

Ueland T, Øie M, Inge Landrø N, Rund BR (2004)
Cognitive functioning in adolescents with schizophrenia spectrum disorders
Psychiatry Res, 126 (3), 229-39
DOI 10.1016/j.psychres.2004.02.014, PubMed 15157749

Publications 1998

Skjerden I, Ueland T (1998)
Attention deficits in early onset schizophrenia
I. Skjerden, Oslo, 59 bl.
BIBSYS 982649800