Ole A. Andreassen

Papers authored by Ole A. Andreassen

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2014 Anja Vaskinn, Toril Ueland, Ingrid Melle, Ingrid Agartz, Ole Andreas Andreassen

, Kjetil Søren Sundet

Neurocognitive decrements are present in intellectually superior schizophrenia

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Nils Eiel Steen, Paal Methlie, Steinar Lorentzen, Ingrid Dieset, Monica Aas, Mari Nerhus, Marit Haram, Ingrid Agartz, Ingrid Melle, Jens P. Berg, Ole A. Andreassen

Altered systemic cortisol metabolism in bipolar disorder and schizophrenia spectrum disorders

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This paper is available in a repository.

Akiah A. O. Berg, Monica Aas, Sara Larsson, Mari Nerhus, Edvard Hauff, Ole A. Andreassen

, Ingrid Melle

Childhood trauma mediates the association between ethnic minority status and more severe hallucinations in psychotic disorder

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Olga T. Ousdal, Ole A. Andreassen

, Andres Server, Jimmy Jensen

Increased Amygdala and Visual Cortex Activity and Functional Connectivity towards Stimulus Novelty Is Associated with State Anxiety

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Monica Aas, Sofie R. Aminoff, Trine Vik Lagerberg, Trine Vik Lagerberg

, Bruno Etain, Ingrid Agartz, Ole A. Andreassen

, Ingrid Melle

Affective lability in patients with bipolar disorders is associated with high levels of childhood trauma

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Rong W. Zablocki, Andrew J. Schork, Richard A. Levine, Ole A. Andreassen

, Anders M. Dale, Wesley K. Thompson

Covariate-Modulated Local False Discovery Rate for Genome-wide Association Studies

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Levi R. Kvitland, Ingrid Melle, Sofie R. Aminoff, Trine V. Lagerberg

, Ole A. Andreassen

, Petter A. Ringen

Cannabis use in first-treatment bipolar I disorder: relations to clinical characteristics.

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Elen Gjevik, Berit Sandstad, Ole A. Andreassen

, Anne M. Myhre, Eili Sponheim

Exploring the agreement between questionnaire information and DSM-IV diagnoses of comorbid psychopathology in children with autism spectrum disorders

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Greg E. Reckless, Olga T. Ousdal, Andres Server, Henrik Walter, Ole A. Andreassen

, Jimmy Jensen

The left inferior frontal gyrus is involved in adjusting response bias during a perceptual decision-making task

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Unni Bratlien, Merete Glenne Øie, Elisabeth Haug, Paul Møller, Ole Andreas Andreassen

, Lars Lien, Ingrid Melle

Environmental factors during adolescence associated with later development of psychotic disorders – A nested case-control study

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C. de Kove, Suna nengut-Gumuscu, S. Zerwas, M. de Zwaan, S. Zipfel, A. A. van Elburg, Laura M. Huckins, Thornton Lm, Klump Kl, L. M. Thornton, N. William Rayner, N. William Rayner, C. M. Lewis, K. L. Klump, J. Treasure and 259 other authors

Using ancestry-informative markers to identify fine structure across 15 populations of European origin

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Ragnar Nesvåg, Marie Schaer, Unn Kristin H. Haukvik

, Lars Tjelta Westlye

, Lars Morten Rimol, Elisabeth H. Lange, Cecilie Bhandari Hartberg, Marie-Christine Ottet, Ingrid Melle, Ole Andreas Andreassen

, Erik G. Jönsson, Ingrid Agartz, Stephan Eliez

Reduced brain cortical folding in schizophrenia revealed in two independent samples

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Rahul S. Desikan, Wesley K. Thompson, Dominic Holland, Christopher P. Hess

, James B. Brewer, Henrik Zetterberg, Kaj Blennow, Ole A. Andreassen

, Linda K. McEvoy, Bradley T. Hyman, Anders M. Dale, Alzheimer’s Disease Neuroimaging Initiative Group

The role of clusterin in amyloid-β associated neurodegeneration

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Elisabeth Heffermehl Lange, Ragnar Nesvåg, Petter Andreas Ringen, Cecilie Bhandari Hartberg, Unn Kristin Haukvik

, Ole Andreas Andreassen

, Ingrid Melle, Ingrid Agartz

One year follow-up of alcohol and illicit substance use in first-episode psychosis: Does gender matter?

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Christine Lycke Brandt, Tom Eichele, Ingrid Melle, Kjetil Sundet, Andrés Server, Ingrid Agartz, Kenneth Hugdahl, Jimmy Jensen, Ole A. Andreassen

Working memory networks and activation patterns in schizophrenia and bipolar disorder: comparison with healthy controls

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Trine Vik Lagerberg

, Levi Røstad Kvitland, Sofie R. Aminoff, Monica Aas, Petter Andreas Ringen, Ole Andreas Andreassen

, Ingrid Melle

Indications of a dose–response relationship between cannabis use and age at onset in bipolar disorder

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Marit Haram, Martin Tesli, Ingrid Dieset, Nils Eiel Steen, Jan Ivar Røssberg, Srdjan Djurovic, Ole A. Andreassen

, Ingrid Melle

An Attempt to Identify Single Nucleotide Polymorphisms Contributing to Possible Relationships between Personality Traits and Oxytocin-Related Genes

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Drapeau Elodie, Stephan Ripke, Pers Th, James T. R. Walters, Chan Rc, Chen Ry, Bacanu Sa, Belliveau Jr Ra, Kahn Rs, Bergen Se, C. Robert Cloninger, Lee Sh, Legge Se, Bigdeli Tb, McCarley Rw and 451 other authors

Biological insights from 108 schizophrenia-associated genetic loci

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2013 Todd Lencz