Publications 2024

Mohn C, Ueland T, Haatveit B, Sæther LS, Lagerberg TV, Andreassen OA, Melle I, Vaskinn A (2024)
Neurocognitive function and delusion severity in schizophrenia spectrum disorders
Schizophr Res, 270, 172-177
DOI 10.1016/j.schres.2024.06.028, PubMed 38917554

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

Sæther LS, Ueland T, Haatveit B, Vaskinn A, Bärthel Flaaten C, Mohn C, E G Ormerod MB, Aukrust P, Melle I, Steen NE, Andreassen OA, Ueland T (2024)
Longitudinal course of inflammatory-cognitive subgroups across first treatment severe mental illness and healthy controls
Psychol Med, 54 (12), 1-11 (in press)
DOI 10.1017/S003329172400206X, PubMed 39354711

Tesli N, Vaskinn A (2024)
Violence and schizophrenia: let us take a deep breath and gain a meta-perspective
Br J Psychiatry, 225 (5), 508-509
DOI 10.1192/bjp.2024.187, PubMed 39660806

Vaskinn A, Rokicki J, Bell C, Tesli N, Bang N, Hjell G, Fischer-Vieler T, Haukvik UK, Friestad C (2024)
Violent Offending in Males With or Without Schizophrenia: A Role for Social Cognition?
Schizophr Bull, 50 (3), 663-672
DOI 10.1093/schbul/sbad151, PubMed 37861424

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, 27 (5), 661-667
DOI 10.1007/s00737-024-01422-8, PubMed 38244033

Publications 2023

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

Vaskinn A, Engelstad KN, Zamparini M, de Girolamo G, Torgalsbøen AK, Rund BR (2023)
The "zipper model of empathy" applied to violence in schizophrenia: A search for social cognitive underpinnings of lack of empathic behavior
Compr Psychiatry, 124, 152391
DOI 10.1016/j.comppsych.2023.152391, PubMed 37156206

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

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, 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

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

Vaskinn A, Sundet K, Haatveit B (2022)
Social cognitive heterogeneity in schizophrenia: A cluster analysis
Schizophr Res Cogn, 30, 100264
DOI 10.1016/j.scog.2022.100264, PubMed 35832256

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

Friestad C, Vaskinn A (2021)
An exploration of theory of mind performance among men convicted of rape
Scand J Psychol, 62 (4), 476-483
DOI 10.1111/sjop.12732, PubMed 34085727

Vaskinn A, Engelstad KN, Torgalsbøen AK, Rund BR (2021)
Childhood trauma, social cognition and schizophrenia: Specific association between physical neglect and cognitive theory of mind in homicide offenders
Psychiatry Res, 303, 114093
DOI 10.1016/j.psychres.2021.114093, PubMed 34247060

Vaskinn A, Sundet K, Melle I, Andreassen OA, Friis S (2021)
The factor structure of social cognition in schizophrenia: Weak evidence for separable domains
Schizophr Res Cogn, 26, 100208
DOI 10.1016/j.scog.2021.100208, PubMed 34430229

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

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

Feyer FK, Andersson S, Büchmann CB, Melle I, Andreassen OA, Vaskinn A (2020)
Social Perception Predicts Awareness of Illness in Persons With Schizophrenia
J Nerv Ment Dis, 208 (9), 701-705
DOI 10.1097/NMD.0000000000001185, PubMed 32433201

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

Laskemoen JF, Aas M, Vaskinn A, Berg AO, Lunding SH, Barrett EA, Melle I, Simonsen C (2020)
Sleep disturbance mediates the link between childhood trauma and clinical outcome in severe mental disorders
Psychol Med, 51 (14), 2337-2346
DOI 10.1017/S0033291720000914, PubMed 32321600

Sjølie C, Meyn EK, Raudeberg R, Andreassen OA, Vaskinn A (2020)
Nonsocial cognitive underpinnings of theory of mind in schizophrenia
Psychiatry Res, 289, 113055
DOI 10.1016/j.psychres.2020.113055, PubMed 32446008

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

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, Hauger LE, Bjørnebekk A (2020)
Theory of mind in users of anabolic androgenic steroids
Psychopharmacology (Berl), 237 (10), 3191-3199
DOI 10.1007/s00213-020-05603-y, PubMed 32623552

Vaskinn A, Horan WP (2020)
Social Cognition and Schizophrenia: Unresolved Issues and New Challenges in a Maturing Field of Research
Schizophr Bull, 46 (3), 464-470
DOI 10.1093/schbul/sbaa034, PubMed 32133507

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

Vaskinn A, Melle I, Aas M, Berg AO (2020)
Sexual abuse and physical neglect in childhood are associated with affective theory of mind in adults with schizophrenia
Schizophr Res Cogn, 23, 100189
DOI 10.1016/j.scog.2020.100189, PubMed 33134093

Publications 2019

Egeland J, Holmen TL, Bang-Kittilsen G, Bigseth TT, Vaskinn A, Engh JA (2019)
Body language reading of emotion and outcome in schizophrenia
Cogn Neuropsychiatry, 24 (1), 54-64
DOI 10.1080/13546805.2019.1568234, PubMed 30654697

Engelstad KN, Rund BR, Lau B, Vaskinn A, Torgalsbøen AK (2019)
Increased prevalence of psychopathy and childhood trauma in homicide offenders with schizophrenia compared to nonviolent individuals with schizophrenia
Nord J Psychiatry, 73 (8), 501-508
DOI 10.1080/08039488.2019.1656777, PubMed 31443617

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

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

Hauger LE, Sagoe D, Vaskinn A, Arnevik EA, Leknes S, Jørstad ML, Bjørnebekk A (2019)
Anabolic androgenic steroid dependence is associated with impaired emotion recognition
Psychopharmacology (Berl), 236 (9), 2667-2676
DOI 10.1007/s00213-019-05239-7, PubMed 30941469

Normann-Eide E, Antonsen BRT, Kvarstein EH, Pedersen G, Vaskinn A, Wilberg T (2019)
Are Impairments in Theory of Mind Specific to Borderline Personality Disorder?
J Pers Disord, 34 (6), 827-841
DOI 10.1521/pedi_2019_33_417, PubMed 30785865

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

Vaskinn A (2019)
Commentary: Emotion Perception in Members of Norwegian Mensa
Front Psychol, 10, 1164
DOI 10.3389/fpsyg.2019.01164, PubMed 31178791

Vaskinn A, Løvgren A, Egeland MK, Feyer FK, Østefjells T, Andreassen OA, Melle I, Sundet K (2019)
A randomized controlled trial of training of affect recognition (TAR) in schizophrenia shows lasting effects for theory of mind
Eur Arch Psychiatry Clin Neurosci, 269 (5), 611-620
DOI 10.1007/s00406-019-00997-z, PubMed 30826974

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

Publications 2018

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

Engelstad KN, Vaskinn A, Torgalsbøen AK, Mohn C, Lau B, Rund BR (2018)
Impaired neuropsychological profile in homicide offenders with schizophrenia
Compr Psychiatry, 85, 55-60
DOI 10.1016/j.comppsych.2018.06.002, PubMed 29981505

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

Skåtun KC, Kaufmann T, Brandt CL, Doan NT, Alnæs D, Tønnesen S, Biele G, Vaskinn A, Melle I, Agartz I, Andreassen OA, Westlye LT (2018)
Thalamo-cortical functional connectivity in schizophrenia and bipolar disorder
Brain Imaging Behav, 12 (3), 640-652
DOI 10.1007/s11682-017-9714-y, PubMed 28444556

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

Vaskinn A, Abu-Akel A (2018)
The interactive effect of autism and psychosis severity on theory of mind and functioning in schizophrenia
Neuropsychology, 33 (2), 195-202
DOI 10.1037/neu0000499, PubMed 30346197

Vaskinn A, Andersson S, Østefjells T, Andreassen OA, Sundet K (2018)
Emotion perception, non-social cognition and symptoms as predictors of theory of mind in schizophrenia
Compr Psychiatry, 85, 1-7
DOI 10.1016/j.comppsych.2018.05.002, PubMed 29906670

Publications 2017

Engelstad KN, Sundet KS, Andreassen OA, Vaskinn A (2017)
Body language reading of emotion in schizophrenia: Associations with symptoms and functional outcome
Scand J Psychol, 58 (5), 359-366
DOI 10.1111/sjop.12381, PubMed 28833180

Vaskinn A, Fiske AP, Green MF (2017)
Enhancing tolerability of a measure of social perception in schizophrenia: comparison of short and long Norwegian versions of the Relationships Across Domains test
Cogn Neuropsychiatry, 22 (3), 254-262
DOI 10.1080/13546805.2017.1307174, PubMed 28346041

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

Berg AO, Melle I, Zuber V, Simonsen C, Nerhus M, Ueland T, Andreassen OA, Sundet K, Vaskinn A (2016)
Modelling difficulties in abstract thinking in psychosis: the importance of socio-developmental background
Cogn Neuropsychiatry, 22 (1), 39-52
DOI 10.1080/13546805.2016.1259998, PubMed 28005457

Steen NE, Aas M, Simonsen C, Dieset I, Tesli M, Nerhus M, Gardsjord E, Mørch R, Agartz I, Melle I, Vaskinn A, Spigset O, Andreassen OA (2016)
Serum concentrations of mood stabilizers are associated with memory, but not other cognitive domains in psychosis spectrum disorders; explorative analyses in a naturalistic setting
Int J Bipolar Disord, 4 (1), 24
DOI 10.1186/s40345-016-0067-z, PubMed 27858347

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

Fretland RA, Andersson S, Sundet K, Andreassen OA, Melle I, Vaskinn A (2015)
Theory of mind in schizophrenia: error types and associations with symptoms
Schizophr Res, 162 (1-3), 42-6
DOI 10.1016/j.schres.2015.01.024, PubMed 25623602

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

Steen NE, Aas M, Simonsen C, Dieset I, Tesli M, Nerhus M, Gardsjord E, Mørch R, Agartz I, Melle I, Vaskinn A, Spigset O, Andreassen OA (2015)
Serum level of venlafaxine is associated with better memory in psychotic disorders
Schizophr Res, 169 (1-3), 386-392
DOI 10.1016/j.schres.2015.10.021, PubMed 26516101

Vaskinn A, Antonsen BT, Fretland RA, Dziobek I, Sundet K, Wilberg T (2015)
Theory of mind in women with borderline personality disorder or schizophrenia: differences in overall ability and error patterns
Front Psychol, 6, 1239
DOI 10.3389/fpsyg.2015.01239, PubMed 26379577

Vaskinn A, Hartberg CB, Sundet K, Westlye LT, Andreassen OA, Melle I, Agartz I (2015)
Brain structure characteristics in intellectually superior schizophrenia
Psychiatry Res, 232 (1), 123-9
DOI 10.1016/j.pscychresns.2015.02.005, PubMed 25754688

Vaskinn A, Hartberg CB, Sundet K, Westlye LT, Andreassen OA, Melle I, Agartz I (2015)
To the editors: Reply to Anna R. Docherty
Psychiatry Res, 233 (3), 497
DOI 10.1016/j.pscychresns.2015.07.022, PubMed 26319295

Vaskinn A, Ventura J, Andreassen OA, Melle I, Sundet K (2015)
A social path to functioning in schizophrenia: From social self-efficacy through negative symptoms to social functional capacity
Psychiatry Res, 228 (3), 803-7
DOI 10.1016/j.psychres.2015.05.019, PubMed 26089018

Publications 2014

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

Ventura J, Subotnik KL, Ered A, Gretchen-Doorly D, Hellemann GS, Vaskinn A, Nuechterlein KH (2014)
The relationship of attitudinal beliefs to negative symptoms, neurocognition, and daily functioning in recent-onset schizophrenia
Schizophr Bull, 40 (6), 1308-18
DOI 10.1093/schbul/sbu002, PubMed 24561318

Publications 2013

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

Vaskinn A, Johnsen E, Jørgensen HA, Kroken RA, Løberg EM (2013)
Prospective and concurrent correlates of emotion perception in psychotic disorders: a naturalistic, longitudinal study of neurocognition, affective blunting and avolition
Scand J Psychol, 54 (3), 261-6
DOI 10.1111/sjop.12046, PubMed 23448554

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

Vaskinn A, Wilsgård I, Holm A, Wootton R, Elvevåg B (2013)
A feasibility study of a telephone-based screening service for mild cognitive impairment and its uptake by elderly people
J Telemed Telecare, 19 (1), 5-10
DOI 10.1177/1357633X12473904, PubMed 23390214

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

Jónsdóttir H, Opjordsmoen S, Birkenaes AB, Simonsen C, Engh JA, Ringen PA, Vaskinn A, Friis S, Sundet K, Andreassen OA (2012)
Predictors of medication adherence in patients with schizophrenia and bipolar disorder
Acta Psychiatr Scand, 127 (1), 23-33
DOI 10.1111/j.1600-0447.2012.01911.x, PubMed 22900964

Langangen O, Vaskinn A, Skagerstam BS (2012)
Interference of Light in a Michelson-Morley Interferometer: A Quantum Optical Approach
Int. J. Opt., 2012, 408067
DOI 10.1155/2012/408067

Publications 2011

Engh JA, Sundet K, Simonsen C, Vaskinn A, Lagerberg TV, Opjordsmoen S, Friis S, Andreassen OA (2011)
Verbal learning contributes to cognitive insight in schizophrenia independently of affective and psychotic symptoms
Prog Neuropsychopharmacol Biol Psychiatry, 35 (4), 1059-63
DOI 10.1016/j.pnpbp.2011.02.021, PubMed 21392553

Vaskinn A, Sundet K, Simonsen C, Hellvin T, Melle I, Andreassen OA (2011)
Sex differences in neuropsychological performance and social functioning in schizophrenia and bipolar disorder
Neuropsychology, 25 (4), 499-510
DOI 10.1037/a0022677, PubMed 21463042

Publications 2010

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

Jónsdóttir H, Opjordsmoen S, Birkenaes AB, Engh JA, Ringen PA, Vaskinn A, Aamo TO, Friis S, Andreassen OA (2010)
Medication adherence in outpatients with severe mental disorders: relation between self-reports and serum level
J Clin Psychopharmacol, 30 (2), 169-75
DOI 10.1097/JCP.0b013e3181d2191e, PubMed 20520290

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

Publications 2009

Engh JA, Friis S, Birkenaes AB, Jónsdóttir H, Klungsøyr O, Ringen PA, Simonsen C, Vaskinn A, Opjordsmoen S, Andreassen OA (2009)
Delusions are associated with poor cognitive insight in schizophrenia
Schizophr Bull, 36 (4), 830-5
DOI 10.1093/schbul/sbn193, PubMed 19176474

Faerden A, Vaskinn A, Finset A, Agartz I, Ann Barrett E, Friis S, Simonsen C, Andreassen OA, Melle I (2009)
Apathy is associated with executive functioning in first episode psychosis
BMC Psychiatry, 9, 1
DOI 10.1186/1471-244X-9-1, PubMed 19133132

Ringen PA, Vaskinn A, Sundet K, Engh JA, Jónsdóttir H, Simonsen C, Friis S, Opjordsmoen S, Melle I, Andreassen OA (2009)
Opposite relationships between cannabis use and neurocognitive functioning in bipolar disorder and schizophrenia
Psychol Med, 40 (8), 1337-47
DOI 10.1017/S0033291709991620, PubMed 19891810

Simonsen C, Sundet K, Vaskinn A, Birkenaes AB, Engh JA, Faerden A, Jónsdóttir H, Ringen PA, Opjordsmoen S, Melle I, Friis S, Andreassen OA (2009)
Neurocognitive dysfunction in bipolar and schizophrenia spectrum disorders depends on history of psychosis rather than diagnostic group
Schizophr Bull, 37 (1), 73-83
DOI 10.1093/schbul/sbp034, PubMed 19443616

Vaskinn A, Sergi MJ, Green MF (2009)
The challenges of ecological validity in the measurement of social perception in schizophrenia
J Nerv Ment Dis, 197 (9), 700-2
DOI 10.1097/NMD.0b013e3181b3ae62, PubMed 19752651

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

Vaskinn A, Sundet K, Hultman CM, Friis S, Andreassen OA (2009)
Social problem-solving in high-functioning schizophrenia: specific deficits in sending skills
Psychiatry Res, 165 (3), 215-23
DOI 10.1016/j.psychres.2007.11.009, PubMed 19136154

Publications 2008

Jónsdóttir H, Engh JA, Friis S, Birkenaes A, Ringen PA, Vaskinn A, Sundet K, Opjordsmoen S, Andreassen OA (2008)
Measurement of insight in patients with bipolar disorder: are self-rated scales developed for patients with schizophrenia applicable?
J Nerv Ment Dis, 196 (4), 333-5
DOI 10.1097/NMD.0b013e31816a62b2, PubMed 18414129

Ringen PA, Melle I, Birkenaes AB, Engh JA, Faerden A, Vaskinn A, Friis S, Opjordsmoen S, Andreassen OA (2008)
The level of illicit drug use is related to symptoms and premorbid functioning in severe mental illness
Acta Psychiatr Scand, 118 (4), 297-304
DOI 10.1111/j.1600-0447.2008.01244.x, PubMed 18759810

Simonsen C, Sundet K, Vaskinn A, Birkenaes AB, Engh JA, Hansen CF, Jónsdóttir H, Ringen PA, Opjordsmoen S, Friis S, Andreassen OA (2008)
Neurocognitive profiles in bipolar I and bipolar II disorder: differences in pattern and magnitude of dysfunction
Bipolar Disord, 10 (2), 245-55
DOI 10.1111/j.1399-5618.2007.00492.x, PubMed 18271903

Vaskinn A (2008)
The link between neurocognition and social problem-solving in normal IQ schizophrenia: an investigation of possible mediators
In Series of dissertations submitted to the Faculty of Medicine, University of Oslo, Unipub, Oslo, no. 607, 1 b. (flere pag.)
BIBSYS 080516807, ISBN 978-82-8072-890-6

Vaskinn A, Sundet K, Friis S, Simonsen C, Birkenaes AB, Jónsdóttir H, Ringen PA, Andreassen OA (2008)
Emotion perception and learning potential: mediators between neurocognition and social problem-solving in schizophrenia?
J Int Neuropsychol Soc, 14 (2), 279-88
DOI 10.1017/S1355617708080314, PubMed 18282325

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 2007

Birkenaes AB, Opjordsmoen S, Brunborg C, Engh JA, Jonsdottir H, Ringen PA, Simonsen C, Vaskinn A, Birkeland KI, Friis S, Sundet K, Andreassen OA (2007)
The level of cardiovascular risk factors in bipolar disorder equals that of schizophrenia: a comparative study
J Clin Psychiatry, 68 (6), 917-23
DOI 10.4088/jcp.v68n0614, PubMed 17592917

Ringen PA, Melle I, Birkenaes AB, Engh JA, Faerden A, Jónsdóttir H, Nesvåg R, Vaskinn A, Friis S, Larsen F, Opjordsmoen S, Sundet K, Andreassen OA (2007)
Illicit drug use in patients with psychotic disorders compared with that in the general population: a cross-sectional study
Acta Psychiatr Scand, 117 (2), 133-8
DOI 10.1111/j.1600-0447.2007.01135.x, PubMed 18081921

Vaskinn A, Sundet K, Friis S, Simonsen C, Birkenaes AB, Engh JA, Jónsdóttir H, Ringen PA, Opjordsmoen S, Andreassen OA (2007)
The effect of gender on emotion perception in schizophrenia and bipolar disorder
Acta Psychiatr Scand, 116 (4), 263-70
DOI 10.1111/j.1600-0447.2007.00991.x, PubMed 17803756

Publications 2006

Birkenaes AB, Søgaard AJ, Engh JA, Jonsdottir H, Ringen PA, Vaskinn A, Friis S, Sundet K, Opjordsmoen S, Andreassen OA (2006)
Sociodemographic characteristics and cardiovascular risk factors in patients with severe mental disorders compared with the general population
J Clin Psychiatry, 67 (3), 425-33
DOI 10.4088/jcp.v67n0314, PubMed 16649830