Browsing Øvrige samlinger by Author "Nerhus, Mari"

Now showing items 1-13 of 13

  • Childhood trauma mediates the association between ethnic minority status and more severe hallucinations in psychotic disorder 
    Berg, Akiah Ottesen; Aas, Monica; Larsson, Sara; Nerhus, Mari; Hauff, Edvard; Andreassen, Ole Andreas; Melle, Ingrid (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2015)
    Background Ethnic minority status and childhood trauma are established risk factors for psychotic disorders. Both are found to be associated with increased level of positive symptoms, in particular auditory hallucinations. ...
  • Clinical and socio-cultural insight in immigrants in their first episode of psychosis 
    Berg, Akiah Ottesen; Barrett, Elizabeth Ann; Nerhus, Mari; Camilla, Büchman; Simonsen, Carmen Elisabeth; Færden, Ann; Andreassen, Ole Andreas; Melle, Ingrid (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2015)
    Aim: Lack of insight into illness is frequent in psychotic disorders and seen as part of their primary pathology. The recognition of symptoms as psychotic, and beliefs about treatment alternatives, is also influenced by ...
  • Developing "MinDag" - an app to capture symptom variation and illness mechanisms in bipolar disorder 
    Bjella, Thomas; Høegh, Margrethe Collier; Olsen, Stine Holmstul; Aminoff, Sofie Ragnhild; Barrett, Elizabeth Ann; Ueland, Torill; Icick, Romain; Andreassen, Ole; Nerhus, Mari; Ihler, Henrik Myhre; Hagen, Marthe; Busch-Christensen, Cecilie; Melle, Ingrid; Lagerberg, Trine Vik (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Introduction: The illness course of bipolar disorder (BD) is highly heterogeneous with substantial variation between individuals with the same BD subtype and within individuals over time. This heterogeneity is not ...
  • Genome-wide Association Analysis of Schizophrenia and Vitamin D Levels Shows Shared Genetic Architecture and Identifies Novel Risk Loci 
    Jaholkowski, Piotr Pawel; Hindley, Guy; Shadrin, Alexey; Tesfaye, Markos; Bahrami, Shahram; Nerhus, Mari; Rahman, Zillur; O'Connell, Kevin Sean; Holen, Børge; Parker, Nadine; Cheng, Weiqiu; Lin, Aihua; Rødevand, Linn; Karadag, Naz; Frei, Oleksandr; Djurovic, Srdjan; Dale, Anders M.; Smeland, Olav Bjerkehagen; Andreassen, Ole (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Abstract Low vitamin D (vitD) levels have been consistently reported in schizophrenia (SCZ) suggesting a role in the etiopathology. However, little is known about the role of underlying shared genetic mechanisms. ...
  • Resting-state heart rate variability is related to respiratory frequency in individuals with severe mental illness but not healthy controls 
    Quintana, Daniel; Elstad, Maja; Kaufmann, Tobias; Brandt, Christine Lycke; Haatveit, Beathe Christin; Haram, Marit; Nerhus, Mari; Westlye, Lars Tjelta; Andreassen, Ole Andreas (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
    Heart rate variability (HRV) has become central to biobehavioral models of self-regulation and interpersonal interaction. While research on healthy populations suggests changes in respiratory frequency do not affect ...
  • Serum concentrations of mood stabilizers are associated with memory, but not other cognitive domains in psychosis spectrum disorders; explorative analyses in a naturalistic setting 
    Steen, Nils E; Aas, Monica; Simonsen, Carmen; Dieset, Ingrid; Tesli, Martin; Nerhus, Mari; Gardsjord, Erlend; Mørch, Ragni; Agartz, Ingrid; Melle, Ingrid; Vaskinn, Anja; Spigset, Olav; Andreassen, Ole A (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
    Background Mood stabilizers like lithium and anticonvulsants are used in bipolar and related psychotic disorders. There is a lack of knowledge of the relationship of these medications and cognition in the ...
  • Serum concentrations of mood stabilizers are associated with memory, but not other cognitive domains in psychosis spectrum disorders; explorative analyses in a naturalistic setting 
    Steen, Nils Eiel; Aas, Monica; Simonsen, Carmen Elisabeth; Dieset, Ingrid; Tesli, Martin Steen; Nerhus, Mari; Gardsjord, Erlend Strand; Mørch, Ragni Helene; Agartz, Ingrid; Melle, Ingrid; Vaskinn, Anja; Spigset, Olav; Andreassen, Ole Andreas (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
    Background Mood stabilizers like lithium and anticonvulsants are used in bipolar and related psychotic disorders. There is a lack of knowledge of the relationship of these medications and cognition in the psychosis spectrum. ...
  • Sex differences in antipsychotic-related triglyceride levels are associated with metabolic hormone differences in patients with severe mental disorders 
    Johansen, Ingrid Torp; Steen, Nils Eiel; Haram, Marit; Rødevand, Linn; Werner, Maren Caroline Frogner; Lunding, Synve Hoffart; Hjell, Gabriela; Agartz, Ingrid; Melle, Ingrid; Lagerberg, Trine Vik; Nerhus, Mari; Andreassen, Ole (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Background Adverse effects of antipsychotics (AP) contribute to cardiovascular disease (CVD) risk in patients with severe mental disorders (SMD). We investigated sex differences in AP-related CVD risk factors and the ...
  • Substance Misuse Trajectories and Risk of Relapse in the Early Course of Bipolar Disorder 
    Lagerberg, Trine Vik; Icick, Romain; Aminoff, Sofie Ragnhild; Nerhus, Mari; Barrett, Elizabeth Ann; Bjella, Thomas; Olsen, Stine Holmstul; Høegh, Margrethe Collier; Melle, Ingrid (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Substance misuse is highly prevalent in bipolar disorder even in the early illness phases. However, the trajectories of misuse of different substances after treatment initiation is not well-studied. Also, knowledge on how ...
  • The Influence of Mental Health Literacy, Migration, and Education on the Duration of Untreated Psychosis 
    Takizawa, Naomi; Melle, Ingrid; Barrett, Elizabeth Ann; Nerhus, Mari; Ottesen, Akiah (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Background: Duration of untreated psychosis (DUP) is associated with outcome in psychotic disorders and influenced by contextual factors such as immigration. Here we aimed to investigate the effect of mental health literacy ...
  • Vitamin D levels, brain volume, and genetic architecture in patients with psychosis 
    Berg, Akiah Ottesen; Jørgensen, Kjetil Nordbø; Nerhus, Mari; Athanasiu, Lavinia; Popejoy, Alice; Bettella, Francesco; Norbom, Linn Christin Bonaventure; Gurholt, Tiril Pedersen; Dahl, Sandra Rinne; Andreassen, Ole Andreas; Djurovic, Srdjan; Agartz, Ingrid; Melle, Ingrid (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    Background: Lower vitamin D levels are found in people with schizophrenia and depressive disorders, and also associated with neuroimaging abnormalities such as reduced brain volume in both animals and humans. Reduced whole ...
  • Vitamin D status in psychotic disorder patients and healthy controls - The influence of ethnic background 
    Nerhus, Mari; Berg, Akiah Ottesen; Dahl, Sandra Rinne; Holvik, Kristin; Gardsjord, Erlend Strand; Weibell, Melissa Anne E.a; Bjella, Thomas; Andreassen, Ole Andreas; Melle, Ingrid (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2015)
    Vitamin D deficiency is common among patients with psychotic disorders and could be due to unknown disease mechanisms or contingent factors. However most studies are performed in chronic patients and have often failed to ...
  • Vitamin D, Folate and the Intracranial Volume in Schizophrenia and Bipolar Disorder and Healthy Controls 
    Gurholt, Tiril Pedersen; Osnes, Kåre; Nerhus, Mari; Jørgensen, Kjetil Nordbø; Lonning, Vera Louise Hiorth; Berg, Akiah Ottesen; Andreassen, Ole Andreas; Melle, Ingrid; Agartz, Ingrid (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    Vitamin D and folate defciency are considered risk factors for schizophrenia and bipolar disorders, but it is unknown how vitamin D and folate infuence the growing brain, cranium or the clinical phenotype. Serum vitamin D ...