2025

• Vaaler, Arne Einar. (2025) Vurdering av akutt selvmordsfare i livskriser. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Tunset, Mette Elise; Haslene-Hox, Hanne; Larsen, Jeanette Brun; Kondziella, Daniel; Nygård, Mona; Pedersen, Sindre Andre. (2025) Clinical studies of blood-borne Extracellular vesicles in psychiatry: A systematic review. Journal of Psychiatric Research
  Academic literature review
• Lund-Stenvold, Elisabeth Haug; Ringen, Petter Andreas; Andreassen, Ole; Gaarden, Torfinn Lødøen; Hartberg, Cecilie Bhandari; Johnsen, Erik. (2025) Implementation of the healthy heart tool- an algorithm with potential cardiometabolic health benefits in persons with severe mental illness. BMC Psychiatry
  Academic article
• O'Connell, Kevin Sean; Koromina, Maria; van der Veen, Tracy; Boltz, Toni; David, Friederike S.; Yang, Jessica Mei Kay. (2025) Genomics yields biological and phenotypic insights into bipolar disorder. Nature
  Academic article

2024

• Engum, Anne; Morken, Gunnar; Vaaler, Arne; Langsrud, Knut; Ødegaard, Ketil Joachim; Syrstad, Vigdis Elin Giæver. (2024) BIPOLARVEILEDER – OPPDATERT KUNNSKAP. NTNU
  Report
• Ritter, Philipp; Glenn, Tasha; Achtyes, Eric D.; Alda, Martin; Agaoglu, Esen; Altınbaş, Kürsat. (2024) Association between a large change between the minimum and maximum monthly values of solar insolation and a history of suicide attempts in bipolar I disorder. International journal of bipolar disorders
  Academic article
• Høyen, Karina Sagmo; Prestmo, Astrid; Simpson, Melanie Rae; Cohen, Lisa Janet; Solem, Stian; Medås, Kamilla. (2024) Symptoms of the suicide crisis syndrome and therapist emotional responses: associations to self-harm and death by suicide within 18-months post-discharge among patients at an acute psychiatric department. Journal of Mental Health
  Academic article
• Frei, Oleksandr; Hindley, Guy; Shadrin, Alexey; van der Meer, Dennis; Akdeniz, Bayram Cevdet ; Hagen, Espen. (2024) Improved functional mapping of complex trait heritability with GSA-MiXeR implicates biologically specific gene sets. Nature Genetics
  Academic article

2023

• Mitelman, Alexis M.; Bafna, Anokhi; Rogers, Megan L.; White, Betsy; Karsen, Ethan; Vaaler, Arne Einar. (2023) Perceived Clinical Utility of the Suicide Crisis Syndrome: A Multisite Pilot Study. Psychological services
  Academic article
• Latvala, Heidi Madeleine; Reitan, Solveig Klæbo; Vaaler, Arne Einar. (2023) Giant Cell Arteritis Presenting with Mania, Psychosis, and Cognitive Dysfunction: A Case Report. Case Reports in Psychiatry
  Academic article
• Tunset, Mette Elise; Haslene-Hox, Hanne; Van Den Bossche, Tim; Maleki, Susan; Vaaler, Arne Einar; Kondziella, Daniel. (2023) Blood-borne extracellular vesicles of bacteria and intestinal cells in patients with psychotic disorders. Nordic Journal of Psychiatry
  Academic article
• Bauer, Michael; Glenn, Tasha; Achtyes, Eric D.; Alda, Martin; Agaoglu, Esen; Altınbaş, Kürsat. (2023) Exploratory study of ultraviolet B (UVB) radiation and age of onset of bipolar disorder. International journal of bipolar disorders
  Academic article
• Landrø, Nils Inge; Harmer, Catherine; Blackwell, Simon E.; Bø, Ragnhild; Dawson, Gerry; Goodwin, Guy. (2023) Combining antidepressants and attention bias modification in primary health care (DEPTREAT): Protocol for a pragmatic randomized controlled trial. Contemporary Clinical Trials
  Article in business/trade/industry journal
• Prestmo, Astrid; Høyen, Karina Sagmo; Vaaler, Arne Einar; Torgersen, Terje; Kvithyld, Tuva Prestmo; Cohen, Lisa Janet. (2023) Post-discharge suicide among high-risk psychiatric inpatients: Risk factors and warnings signs. Journal of Affective Disorders Reports
  Academic article

2022

• Vaaler, Arne Einar. (2022) A. Vaaler svarer. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Fredriksen, Kristin Jørstad; Bartz-Johannessen, Christoffer; Schøyen, Helle Kristine; Vaaler, Arne; Walby, Fredrik A; Hegelstad, Wenche. (2022) Imminent and Short-Term Risk of Death by Suicide in 7,000 Acutely Admitted Psychiatric Inpatients. Journal of Clinical Psychiatry
  Academic article
• Finanger, Trine; Vaaler, Arne; Spigset, Olav; Aamo, Trond Oskar; Andreassen, Trine Naalsund; Gråwe, Rolf W.. (2022) Identification of unhealthy alcohol use by self-report and phosphatidylethanol (PEth) blood concentrations in an acute psychiatric department. BMC Psychiatry
  Academic article
• Jensen, Søren Beck; Sheikh, Mashhood Ahmed; Akkouh, Ibrahim Ahmed; Szabo, Attila; O'Connell, Kevin Sean; Lekva, Tove. (2022) Elevated Systemic Levels of Markers Reflecting Intestinal Barrier Dysfunction and Inflammasome Activation Are Correlated in Severe Mental Illness. Schizophrenia Bulletin
  Academic article
• Bauer, Michael; Glenn, Tasha; Achtyes, Eric D.; Alda, Martin; Agaoglu, Esen; Altınbaş, Kürşat. (2022) Association between polarity of first episode and solar insolation in bipolar I disorder. Journal of Psychosomatic Research
  Academic article
• Høyen, Karina Sagmo; Cohen, Lisa Janet; Solem, Stian; Prestmo, Astrid; Sørensen, Kjetil; Salvesen, Øyvind. (2022) Exploring associations between the Modular Assessment of Risk for Imminent Suicide (MARIS) questionnaire and recent suicidal ideation and behavior among patients admitted at an acute psychiatric inpatient department. Nordic Journal of Psychiatry
  Academic article
• Eikemo, Hilde; Roten, Linda Tømmerdal; Vaaler, Arne. (2022) Research based on existing clinical data and biospecimens: a systematic study of patients’ opinions. BMC Medical Ethics
  Academic article
• Sheikh, Mashhood Ahmed; O'Connell, Kevin Sean; Lekva, Tove; Szabo, Attila; Akkouh, Ibrahim Ahmed; Osete, Jordi Requena. (2022) Systemic cell adhesion molecules in severe mental illness: Potential role of intercellular CAM-1 in linking peripheral and neuroinflammation. Biological Psychiatry
  Academic article
• Vaaler, Arne. (2022) A. Vaalersvarer. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Vaaler, Arne. (2022) Avhengighet av nyere antidepressiver. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Trubetskoy, Vassily; Pardiñas, Antonio F.; Qi, Ting; Panagiotaropoulou, Georgia; Awasthi, Swapnil; Bigdeli, Tim B.. (2022) Mapping genomic loci implicates genes and synaptic biology in schizophrenia. Nature
  Academic article
• Ringen, Petter Andreas; Lund-Stenvold, Elisabeth Haug; Andreassen, Ole; Gaarden, Torfinn Lødøen; Hartberg, Cecilie Bhandari; Johnsen, Erik. (2022) Quality of clinical management of cardiometabolic risk factors in patients with severe mental illness in a specialist mental health care setting. Nordic Journal of Psychiatry
  Academic article

2021

• Blokland, Gabriella A. M.; Grove, Jakob; Chen, Chia-Yen; Cotsapas, Chris; Tobet, Stuart; Handa, Robert. (2021) Sex-Dependent Shared and Nonshared Genetic Architecture Across Mood and Psychotic Disorders. Biological Psychiatry
  Academic article
• Andreou, Dimitrios; Steen, Nils Eiel; Jørgensen, Kjetil Nordbø; Smelror, Runar; Wedervang-Resell, Kirsten; Nerland, Stener. (2021) Lower circulating neuron-specific enolase concentrations in adults and adolescents with severe mental illness. Psychological Medicine
  Academic article
• Mullins, Niamh; Forstner, Andreas J.; O'Connell, Kevin Sean; Coombes, Brandon; Coleman, Jonathan R. I.; Qiao, Zhen. (2021) Genome-wide association study of more than 40,000 bipolar disorder cases provides new insights into the underlying biology. Nature Genetics
  Academic article
• Andlauer, Till F.M.; Guzman-Parra, José; Streit, Fabian; Strohmaier, Jana; González, Maria José; Flores, Susana Gil. (2021) Bipolar multiplex families have an increased burden of common risk variants for psychiatric disorders. Molecular Psychiatry
  Academic article
• Bauer, Michael; Glenn, Tasha; Achtyes, Eric D.; Alda, Martin; Agaoglu, Esen; Altınbaş, Kürşat. (2021) Variations in seasonal solar insolation are associated with a history of suicide attempts in bipolar I disorder. International journal of bipolar disorders
  Academic article
• Nakken, Erlend Iversen; Grinde, Frithjof; Vaaler, Arne; Drange, Ole Kristian; Brodtkorb, Eylert; Sæther, Sverre Georg. (2021) Epilepsy and other seizure disorders in acute psychiatric inpatients. BMC Psychiatry
  Academic article
• Høyen, Karina Sagmo; Solem, Stian; Cohen, Lisa Janet; Prestmo, Astrid; Hjemdal, Odin; Vaaler, Arne. (2021) Non-disclosure of suicidal ideation in psychiatric inpatients: Rates and correlates. Death Studies
  Academic article

2020

• Coleman, Jonathan R.I.; Gaspar, Helena A; Bryois, Julien; Byrne, Enda M; Forstner, Andreas J; Holmans, Peter A. (2020) The Genetics of the Mood Disorder Spectrum: Genome-wide Association Analyses of More Than 185,000 Cases and 439,000 Controls. Biological Psychiatry
  Academic article
• Drange, Ole Kristian; Sæther, Sverre Georg; Finseth, Per Ivar; Morken, Gunnar; Vaaler, Arne; Arntsen, Vibeke. (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
  Academic article
• Prestmo, Astrid; Høyen, Karina Sagmo; Vaaler, Arne; Torgersen, Terje; Drange, Ole Kristian. (2020) Mortality among patients discharged from an acute psychiatric department: A 5-year prospective study. Frontiers in Psychiatry
  Academic article
• Tunset, Mette Elise; Haslene-Hox, Hanne; Bossche, Tim Van Den; Vaaler, Arne; Sulheim, Einar; Kondziella, Daniel. (2020) Extracellular vesicles in patients in the acute phase of psychosis and after clinical improvement: an explorative study. PeerJ
  Academic article

2019

• Stahl, Eli A.; Breen, Gerome; Forstner, Andreas J.; McQuillin, Andrew; Ripke, Stephan; Trubetskoy, Vassily. (2019) Genome-wide association study identifies 30 loci associated with bipolar disorder. Nature Genetics
  Academic article
• Drange, Ole Kristian; Smeland, Olav Bjerkehagen; Shadrin, Alexey A.; Finseth, Per Ivar; Witoelar, Aree; Frei, Oleksandr. (2019) Genetic Overlap Between Alzheimer’s Disease and Bipolar Disorder Implicates the MARK2 and VAC14 Genes. Frontiers in Neuroscience
  Academic article
• Lee, Phil H.; Antilla, Verneri; Won, Hyejung; Feng, Yen-Chen A.; Rosenthal, Jacob; Zhu, Zhaozhong. (2019) Genomic Relationships, Novel Loci, and Pleiotropic Mechanisms across Eight Psychiatric Disorders. Cell
  Academic article
• Vaaler, Arne. (2019) Benzodiazepiner i akuttpsykiatrisk behandling. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Feature article
• Langsrud, Knut; Vaaler, Arne; Morken, Gunnar; Kallestad, Håvard; Almvik, Roger; Palmstierna, Tom Krisman Kule. (2019) The predictive properties of violence risk instruments may increase by adding items assessing sleep. Frontiers in Psychiatry
  Academic article
• Bauer, Michael; Glenn, Tasha; Alda, Martin; Andreassen, Ole Andreas; Angelopoulos, Elias; Ardau, Raffaella. (2019) Association between solar insolation and a history of suicide attempts in bipolar I disorder. Journal of Psychiatric Research
  Academic article
• Sæther, Sverre Georg; Vaaler, Arne; Evjenth, Anita; Aune, Therese Lie; Höltje, Markus; Ruprecht, Klemens. (2019) Subtle Phenotype Differences in Psychiatric Patients With and Without Serum Immunoglobulin G Antibodies to Synapsin. Frontiers in Psychiatry
  Academic article
• Schou, Morten Brix; Sæther, Sverre Georg; Drange, Ole Kristian; Brenner, Eiliv; Crespi, Joan Vidal; Eikenes, Live. (2019) A prospective three-year follow-up study on the clinical significance of anti-neuronal antibodies in acute psychiatric disorders. Scientific Reports
  Academic article
• Larsen, Jeanette Brun; Stunes, Astrid Kamilla; Vaaler, Arne; Reitan, Solveig Merete Klæbo. (2019) Cytokines in agitated and non-agitated patients admitted to an acute psychiatric department: A cross-sectional study. PLOS ONE
  Academic article
• Scott, Janine Linda; Langsrud, Knut; Vethe, Daniel; Kjørstad, Kaia; Vestergaard, Cecilie Lund; Faaland, Patrick. (2019) A pragmatic effectiveness randomized controlled trial of the duration of psychiatric hospitalization in a trans- diagnostic sample of patients with acute mental illness admitted to a ward with either blue-depleted evening lighting or normal lighting conditions. Trials
  Academic article
• Larsen, Jeanette Brun; Stunes, Astrid Kamilla; Iversen, Valentina Cabral; Vaaler, Arne; Reitan, Solveig Merete Klæbo. (2019) Cytokines in Relation to Motor Activity in an Acute Psychiatric Population . Frontiers in Psychiatry
  Academic article
• Sæther, Sverre Georg; Rø, Anne Dorthea; Larsen, Jeanette Brun; Vaaler, Arne; Kondziella, Daniel; Reitan, Solveig Merete Klæbo. (2019) Biomarkers of Autoimmunity in Acute Psychiatric Disorders. The Journal of Neuropsychiatry and Clinical Neurosciences
  Academic article
• Vaaler, Arne. (2019) Benzodiazepiner er ofte effektive og trygge valg : . Tidsskrift for Den norske legeforening (Tidsskriftet)
  Reader opinion piece

2018

• Krane-Gartiser, Karoline; Asheim, Andreas; Fasmer, Ole Bernt; Morken, Gunnar; Vaaler, Arne; Scott, Jan. (2018) Actigraphy as an objective intra‑individual marker of activity patterns in acute‑phase bipolar disorder: a case series. International journal of bipolar disorders
  Academic article
• Krane-Gartiser, Karoline; Henriksen, Tone Elise Gjøtterud; Morken, Gunnar; Vaaler, Arne; Fasmer, Ole Bernt. (2018) Motor activity patterns in acute schizophrenia and other psychotic disorders can be differentiated from bipolar mania and unipolar depression. Psychiatry Research
  Academic article
• Mertens, Robert; Melchert, Sarah; Gitler, Daniel; Schou, Morten Brix; Sæther, Sverre Georg; Vaaler, Arne. (2018) Epitope specificity of anti-synapsin autoantibodies: Differential targeting of synapsin I domains. PLOS ONE
  Academic article
• Drange, Ole Kristian; Vaaler, Arne; Morken, Gunnar; Andreassen, Ole Andreas; Malt, Ulrik Fredrik; Finseth, Per Ivar. (2018) Clinical characteristics of patients with bipolar disorder and premorbid traumatic brain injury: a cross-sectional study. International journal of bipolar disorders
  Academic article
• Psychiatric Genomics Consorti, Bipolar Sczhizophrenia; Ruderfer, Douglas M.; Ripke, Stephan; McQuillin, Andrew; Boocock, James; Stahl, Eli A.. (2018) Genomic Dissection of Bipolar Disorder and Schizophrenia, Including 28 Subphenotypes. Cell
  Academic article
• Schou, Morten Brix; Sæther, Sverre Georg; Drange, Ole Kristian; Krane-Gartiser, Karoline; Reitan, Solveig Merete Klæbo; Vaaler, Arne. (2018) The significance of anti-neuronal antibodies for acute psychiatric disorders: a retrospective case-controlled study. BMC Neuroscience
  Academic article
• Langsrud, Knut; Kallestad, Håvard; Vaaler, Arne; Almvik, Roger; Palmstierna, Tom Krisman Kule; Morken, Gunnar. (2018) Sleep at night and association to aggressive behaviour; Patients in a psychiatric intensive care unit. Psychiatry Research
  Academic article

2017

• Krane-Gartiser, Karoline; Vaaler, Arne; Fasmer, Ole Bernt; Sørensen, Kjetil; Morken, Gunnar; Scott, Janine Linda. (2017) Variability of activity patterns across mood disorders and time of day. BMC Psychiatry
  Academic article
• Bjørke-Bertheussen, Janette; Schøyen, Helle Kristine; Andreassen, Ole Andreas; Malt, Ulrik Fredrik; Ødegaard, Ketil Joachim; Morken, Gunnar. (2017) Right unilateral electroconvulsive therapy does not cause more cognitive impairment than pharmacologic treatment in treatment-resistant bipolar depression: A 6-month randomized controlled trial follow-up study. Bipolar Disorders
  Academic article
• Scott, Janine Linda; Vaaler, Arne; Fasmer, Ole Bernt; Morken, Gunnar; Krane-Gartiser, Karoline. (2017) A pilot study to determine whether combinations of objectively measured activity parameters can be used to differentiate between mixed states, mania, and bipolar depression. International journal of bipolar disorders
  Academic article
• Bauer, Michael; Glenn, T; Alda, M; Aleksandrovich, MA; Andreassen, Ole Andreas; Angelopoulos, E. (2017) Solar insolation in springtime influences age of onset of bipolar I disorder. Acta Psychiatrica Scandinavica
  Academic article

2016

• Krane-Gartiser, Karoline; Vaaler, Arne Einar; Fasmer, Ole Bernt; Morken, Gunnar. (2016) Ditribution and characteristics of active and inactive periods distinguish unipolar depression with and without motor retardation. Journal of Clinical Psychiatry
  Letter to the editor
• Sæther, Sverre Georg; Schou, Morten Brix; Stoecker, W; Teegen, B; Borowski, K; Vaaler, Arne Einar. (2016) Onconeural Antibodies in Acute Psychiatric Inpatient Care. The Journal of Neuropsychiatry and Clinical Neurosciences
  Academic article
• Langsrud, Knut; Vaaler, Arne Einar; Kallestad, Håvard; Morken, Gunnar. (2016) Sleep patterns as a predictor for length of stay in a psychiatric intensive care unit. Psychiatry Research
  Academic article
• Sallaup, Torill Vassli; Vaaler, Arne; Iversen, Valentina Cabral; Guzey, Ismail Cuneyt. (2016) Challenges in detecting and diagnosing substance use in women in the acute psychiatric department: A naturalistic cohort study. BMC Psychiatry
  Academic article
• Schou, Morten Brix; Sæther, Sverre Georg; Borowski, K; Teegen, B; Kondziella, Daniel; Stoecker, W. (2016) Prevalence of serum anti-neuronal autoantibodies in patients admitted to acute psychiatric care. Psychological Medicine
  Academic article
• Steinan, Mette Kvisten; Morken, Gunnar; Lagerberg, Trine Vik; Melle, Ingrid; Andreassen, Ole Andreas; Vaaler, Arne Einar. (2016) Delayed sleep phase: An important circadian subtype of sleep disturbance in bipolar disorders. Journal of Affective Disorders
  Academic article
• Krane-Gartiser, Karoline; Vaaler, Arne Einar; Fasmer, Ole Bernt; Morken, Gunnar. (2016) Distribution and Characteristics of Active and Inactive Periods Distinguish Unipolar Depression With and Without Motor Retardation. Journal of Clinical Psychiatry
  Letter to the editor

2015

• Vaaler, Arne Einar; Kondziella, Daniel; Morken, Gunnar; Iversen, Valentina Cabral; Linaker, Olav Morten. (2015) Religious convictions in patients with epilepsy-associated affective disorders: a controlled study from a psychiatric acute department. Journal of Religion and Health
  Academic article
• Krane-Gartiser, Karoline; Henriksen, Tone Elise Gjøtterud; Vaaler, Arne Einar; Fasmer, Ole Bernt; Morken, Gunnar. (2015) Actigraphically assessed activity in unipolar depression: A comparison of inpatients with and without motor retardation. Journal of Clinical Psychiatry
  Academic article
• Steinan, Mette Kvisten; Scott, J.; Lagerberg, Trine Vik; Melle, Ingrid; Andreassen, Ole Andreas; Vaaler, Arne Einar. (2015) Sleep problems in bipolar disorders: More than just insomnia. Acta Psychiatrica Scandinavica
  Academic article
• Zai, Clement C; Manchia, M; Sønderby, Ida Elken; Yilmaz, Z.; De Luca, Valeria; Tiwari, AK. (2015) Investigation of the genetic interaction between BDNF and DRD3 genes in suicidical behaviour in psychiatric disorders. World Journal of Biological Psychiatry
  Academic article
• Schøyen, Helle Kristine; Kessler, Ute; Andreassen, Ole Andreas; Auestad, Bjørn Henrik; Bergsholm, Per; Malt, Ulrik Fredrik. (2015) Response to Kotzalidis et al. American Journal of Psychiatry
  Letter to the editor
• Schøyen, Helle Kristine; Kessler, Ute; Andreassen, Ole Andreas; Auestad, Bjørn Henrik; Bergsholm, Per; Malt, Ulrik Fredrik. (2015) Response to Kellner and Fink. American Journal of Psychiatry
  Letter to the editor
• Steinan, Mette Kvisten; Scott, Janine Linda; Lagerberg, Trine Vik; Melle, Ingrid; Andreassen, Ole Andreas; Vaaler, Arne Einar. (2015) Sleep problems in bipolar disorders: more than just insomnia. Acta Psychiatrica Scandinavica
  Academic article
• Krane-Gartiser, Karoline; Henriksen, Tone Elise Gjøtterud; Vaaler, Arne Einar; Fasmer, Ole Bernt; Morken, Gunnar. (2015) Actigraphy can identify differences in motor activity in acute episodes of mood disorders. Bipolar Disorders
  Abstract

2014

• Finseth, Per Ivar; Morken, Gunnar; Malt, Ulrik Fredrik; Andreassen, Ole Andreas; Vaaler, Arne Einar. (2014) Risk factors of cycle acceleration in acutely admitted patients with bipolar disorder. Acta Psychiatrica Scandinavica
  Academic article
• Setsaas, Audun Revhaug; Vaaler, Arne Einar. (2014) Can cycles of chills and fever resolve bipolar disorder mania?. BMJ Case Reports
  Academic article
• Schøyen, Helle Kristine; Kessler, Ute; Andreassen, Ole Andreas; Auestad, Bjørn Henrik; Bergsholm, Per; Malt, Ulrik Fredrik. (2014) Treatment-Resistant Bipolar Depression: A Randomized Controlled Trial of Electroconvulsive Therapy Versus Algorithm-Based Pharmacological Treatment. American Journal of Psychiatry
  Academic article
• Finseth, Per Ivar; Sønderby, Ida Elken; Djurovic, Srdjan; Agartz, Ingrid; Malt, Ulrik Fredrik; Melle, Ingrid. (2014) Association analysis between suicidal behaviour and candidate genes of bipolar disorder and schizophrenia. Journal of Affective Disorders
  Academic article
• Torgersen, Terje; Krokstad, Steinar; Vaaler, Arne Einar. (2014) Factors associated with a positive occupational outcome during long-term central stimulant treatment in adult ADHD. ADHD Attention Deficit and Hyperactivity Disorders
  Academic article
• Kessler, Ute; Schøyen, Helle Kristine; Andreassen, Ole Andreas; Eide, Geir Egil; Malt, Ulrik Fredrik; Ødegaard, Kjetil. (2014) The effect of electroconvulsive therapy on neurocognitive function in treatment-resistant bipolar disorder depression. Journal of Clinical Psychiatry
  Academic article
• Krane-Gartiser, Karoline; Henriksen, Tone Elise Gjøtterud; Morken, Gunnar; Vaaler, Arne Einar; Fasmer, Ole Bernt. (2014) Actigraphic assessment of motor activity in acutely admitted inpatients with bipolar disorder. PLOS ONE
  Academic article

2013

• Sand, Trond; Bjørk, Marte Helene; Vaaler, Arne Einar. (2013) Is EEG a useful test in adult psychiatry? . Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic literature review
• Kessler, Ute; Schøyen, Helle Kristine; Andreassen, Ole Andreas; Eide, Geir Egil; Hammar, Åsa; Malt, Ulrik Fredrik. (2013) Neurocognitive profiles in treatment-resistant bipolar I and bipolar II disorder depression. BMC Psychiatry
  Academic article
• Vaaler, Arne Einar; Fasmer, Ole Bernt. (2013) Antidepressive legemidler – klinisk praksis må endres. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Feature article
• Finseth, Per Ivar; Morken, Gunnar; Andreassen, Ole Andreas; Malt, Ulrik Fredrik; Vaaler, Arne. (2013) Cycle acceleration in bipolar disorder - a model of clinical predictors. Bipolar Disorders
  Abstract
• Finseth, Per Ivar; Morken, Gunnar; Andreassen, Ole Andreas; Malt, Ulrik Fredrik; Vaaler, Arne. (2013) Number of lifetime suicide attempts is associated with number of antidepressant trials in bipolar disorder inpatients. Bipolar Disorders
  Abstract
• Schøyen, Helle Kristine; Kessler, Ute; Auestad, Bjørn Henrik; Bergsholm, Per; Malt, Ulrik Fredrik; Andreassen, Ole Andreas. (2013) Treatment resistant bipolar depression: a randomized controlled trial of electroconvulsive therapy and algorithm based pharmacological treatment. Bipolar Disorders
  Abstract

2012

• Finseth, Per Ivar; Morken, Gunnar; Andreassen, Ole Andreas; Malt, Ulrik Fredrik; Vaaler, Arne. (2012) Risk factors related to lifetime suicide attempts in acutely admitted bipolar disorder inpatients. Bipolar Disorders
  Academic article
• Guzey, Ismail Cuneyt; Vaaler, Arne; Malt, Ulrik Fredrik; Andreassen, Ole Andreas; Morken, Gunnar. (2012) Variations in CYP2D6 metabolism in bipolar disorder: a study on patients hospitalized in emergency psychiatric ward. Bipolar Disorders
  Abstract
• Schøyen, Helle Kristine; Kessler, Ute; Auestad, Bjørn Henrik; Bergsholm, Per; Malt, Ulrik Fredrik; Andreassen, Ole Andreas. (2012) Treatment resistant bipolar depression: a randomized controlled trial of electroconvulsive therapy. Bipolar Disorders
  Abstract
• Kessler, Ute; Schøyen, Helle Kristine; Andreassen, Ole Andreas; Bergsholm, Per; Eide, Geir Egil; Hammar, Åsa. (2012) The neurocognitive profile in depressed therapy resistant bipolar disorder inpatients. Bipolar Disorders
  Abstract
• Fløvig, John Chr.; Morken, Gunnar; Guzey, Ismail Cuneyt; Vaaler, Arne. (2012) Pharmacological treatment and adherence one week prior to acute psychiatric admissions. Nordic Journal of Psychiatry
  Academic article
• Torgersen, Terje; Gjervan, Bjørn; Rasmussen, Kirsten; Vaaler, Arne; Nordahl, Hans Morten. (2012) Prevalence of Comorbid Substance Use Disorder During Long-term Central Stimulant Treatment in Adult ADHD. ADHD Attention Deficit and Hyperactivity Disorders
  Academic article
• Vaaler, Arne. (2012) Management of acute psychiatric problems. Springer
  Chapter

2011

• Schøyen, Helle Kristine; Birkenæs, Astrid Brate; Vaaler, Arne; Auestad, Bjørn Henrik; Malt, Ulrik Fredrik; Andreassen, Ole Andreas. (2011) Bipolar disorder patients have similar levels of education but lower socio-economis status than the general population. Journal of Affective Disorders
  Academic article
• Vaaler, Arne; Iversen, Valentina Cabral; Morken, Gunnar; Fløvig, John Chr.; Palmstierna, Tom; Linaker, Olav Morten. (2011) Short-term prediction of threatening and violent behaviour in an Acute Psychiatric Intensive Care Unit based on patient and environment characteristics. BMC Psychiatry
  Academic article
• Iversen, Valentina Cabral; Berg, John Erik; Småvik, Rita; Vaaler, Arne. (2011) Clinical differences between immigrants voluntarily and involuntarily admitted to aciute psychiatric units: a 3-year prospective study. Journal of Psychiatric and Mental Health Nursing
  Academic article
• Schøyen, Helle Kristine; Vaaler, Arne; Auestad, Bjørn; Malt, Ulrik Fredrik; Melle, Ingrid; Andreassen, Ole Andreas. (2011) Despite clinical differences, bipolar disorder patients from acute wards and outpatient clinics have similar educational and disability levels compared to the general population. Journal of Affective Disorders
  Academic article
• Iversen, Valentina Cabral; Sallaup, Torill Vassli; Vaaler, Arne; Helvik, Anne-Sofie; Morken, Gunnar; Linaker, Olav Morten. (2011) Patients’ perceptions of their stay in a psychiatric seclusion area. Journal of Psychiatric Intensive Care
  Academic article
• Finseth, Per Ivar; Morken, Gunnar; Andreassen, Ole Andreas; Malt, Ulrik Fredrik; Vaaler, Arne Einar. (2011) Risk factors of suicidal behaviour in acutely admitted bipolar disorder patients. Bipolar Disorders
  Abstract

2010

• Finseth, Per Ivar; Morken, Gunnar; Malt, Ulrik Fredrik; Andreassen, Ole Andreas; Vaaler, Arne. (2010) Life-time suicide attempts in acutely admitted inpatients with bipolar disorder. European Neuropsychopharmacology
  Abstract
• Vaaler, Arne; Morken, Gunnar; Iversen, Valentina Cabral; Kondziella, Daniel; Linaker, Olav Morten. (2010) Acute unstable depressive syndrome is associated more frequently with epilepsy than major depression. Journal of Neurology
  Abstract
• Kessler, Ute; Schøyen, Helle Kristine; Vaaler, Arne; Ødegaard, Ketil Joachim; Bergsholm, Per; Andreassen, Ole Andreas. (2010) The study protocol of the Norwegian randomized controlled trial of electroconvulsive therapy in treatment resistant depression in bipolar disorder. European psychiatry
  Abstract
• Vaaler, Arne; Morken, Gunnar; Iversen, Valentina Cabral; Kondziella, Daniel; Linaker, Olav Morten. (2010) Acute unstable depressive syndrome (AUDS) is associated more frequently with epilepsy than major depression. BMC Neurology
  Academic article
• Iversen, Valentina Cabral; Berg, John Erik; Vaaler, Arne. (2010) Expectations of the future: Immigrant, asylum seeker, or refugee - does it matter?. Journal of Psychiatric Intensive Care
  Academic article
• Kessler, Ute; Vaaler, Arne E.; Schøyen, Helle; Ødegaard, Ketil Joachim; Bergsholm, Per; Andreassen, Ole Andreas. (2010) The study protocol of the Norwegian randomized controlled trial of electroconvulsive therapy in treatment resistant depression in bipolar disorder. BMC Psychiatry
  Academic article
• Fløvig, John Chr.; Vaaler, Arne; Morken, Gunnar. (2010) Effects of legal and illegal use of benzodiazepines at acute admission to a psychiatric acute department. BMC Research Notes
  Academic article

2009

• Morken, Gunnar; Vaaler, Arne; Folden, Gunn Eva; Andreassen, OA; Malt, UF. (2009) Age at onset of first episode and time to treatment in in-patients with bipolar disorder. British Journal of Psychiatry
  Academic article
• Fløvig, John Chr.; Vaaler, Arne; Morken, Gunnar. (2009) Substance use at admission to an acute psychiatric department. Nordic Journal of Psychiatry
  Academic article
• Vaaler, Arne; Morken, Gunnar; Linaker, Olav Morten; Sand, Trond; Kvistad, Kjell Arne; Bråthen, Geir. (2009) Symptoms of epilepsy and organic brain dysfunctions in patients with acute, brief depression combined with other fluctuating psychiatric symptoms: a controlled study from an acute psychiatric department. BMC Psychiatry
  Academic article

2008

• Morken, Gunnar; Folden, GE; Vaaler, Arne. (2008) Childhood-onset bipolar disorder in consecutively admitted patients to an acute psychiatric department. Bipolar Disorders
  Abstract
• Fløvig, John Chr.; Vaaler, Arne; Morken, Gunnar. (2008) Substance use at admission to an acute psychiatric department. Nordic Journal of Psychiatry
  Academic article
• Bjørk, Marte Helene; Sand, Trond; Bråthen, Geir; Linaker, Olav Morten; Morken, Gunnar; Nilsen, Brigt. (2008) Quantitative EEG findings in patients with acute, brief depression combined with other fluctuating psychiatric symptoms: a controlled study from an acute psychiatric department. BMC Psychiatry
  Academic article

2007

• Kondziella, Daniel; Alvestad, Silje; Vaaler, Arne; Sonnewald, Ursula. (2007) Which clinical and experimental data link temporal lobe epilepsy with depression?. Journal of Neurochemistry
  Academic literature review
• Vaaler, Arne. (2007) Effects of a Psychiatric Intensive Care Unit in an Acute Psychiatric Ward. Arne E. Vaaler, NTNU
  Doctoral dissertation

2006

• Vaaler, Arne; Morken, Gunnar; Fløvig, John Chr.; Iversen, Valentina Cabral; Linaker, Olav Morten. (2006) Effects of a psychiatric intensive care unit in an acute psychiatric department. Nordic Journal of Psychiatry
  Academic article
• Vaaler, Arne; Morken, Gunnar; Fløvig, John Chr.; Iversen, Valentina Cabral; Linaker, Olav Morten. (2006) Substance abuse and recovery in a psychiatric intensive care unit. General Hospital Psychiatry
  Academic article

2005

• Morken, Gunnar; Vaaler, Arne; Boye, B; Heldal, A; Lovdahl, H; Dahl, NH. (2005) Bipolar Research and Innovation Network - Norway. NORBRAIN. Bipolar Disorders
  Abstract
• Vaaler, Arne; Morken, Gunnar; Fløvig, John Chr.; Iversen, Valentina; Linaker, Olav Morten. (2005) Substance abuse and recovery in a psychiatric intensive care unit. European Neuropsychopharmacology
  Abstract
• Morken, Gunnar; Folden, GE; Vaaler, Arne. (2005) Bipolar patients with long lifetime hospitalization. Bipolar Disorders
  Abstract
• Vaaler, Arne; Morken, Gunnar; Linaker, Olav Morten. (2005) Effects of different interior decorations in the seclusion area of a psychiatric acute ward. Nordic Journal of Psychiatry
  Academic article

2003

• Vaaler, Arne. (2003) Helse inn i veggene - fakta, fornuft eller følelse ? Ingrid Høie. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Feature article
• Vaaler, Arne. (2003) ECNP: Nurse-Supervised Secluison Reduces Violence in Psychiatric Acute Ward. Paula Moyer, Doctor's Guide, global Edition
  Feature article

2002

• Vaaler, Arne. (2002) Kropp, sjel, asyl og lokalisering. Adresseavisen
  Feature article