• Antipsychotic treatment – a systematic literature review and meta-analysis of qualitative studies 

      Bjørnestad, Jone Ravndal; Lavik, Kristina O.; Davidson, Larry; Hjeltnes, Aslak; Moltu, Christian; Veseth, Marius (Peer reviewed; Journal article, 2019-03)
      Background: The literature on antipsychotic medication in psychosis lack systematization of the empirical knowledge base on patients’ subjective experiences of using antipsychotic drugs. Such investigations are pivotal to ...
    • Childhood trauma, antipsychotic medication, and symptom remission in first-episode psychosis 

      Ottesen, Akiah; Hegelstad, Wenche; Joa, Inge; Ilner, Stein E. Opjordsmoen; Rund, Bjørn Rishovd; Røssberg, Jan Ivar; Simonsen, Erik; Johannessen, Jan Olav; Larsen, Tor Ketil; Haahr, Ulrik H.; McGlashan, T.H.; Friis, Svein; Melle, Ingrid (Peer reviewed; Journal article, 2021-11)
      Background To what extent psychotic symptoms in first-episode psychosis (FEP) with a history of childhood interpersonal trauma (CIT) are less responsive to antipsychotic medication is not known. In this longitudinal study, ...
    • Cognitive profile in ultra high risk for psychosis and schizophrenia: A comparison using coordinated norms 

      Joa, Inge; Kroken, Rune Andreas; Johnsen, Erik; Rettenbacher, Maria; Fathian, Farivar; Løberg, Else-Marie (Journal article; Peer reviewed, 2019-10)
      Background: Cognitive impairment is not only a core aspect of schizophrenia but also commonly observed in help-seeking youth at ultra high risk for psychosis (UHR), with potential implications for prognosis and individualized ...
    • Early substance use cessation improves cognition-10 years outcome in first-episode psychosis patients 

      Weibell, Melissa Anne E; Johannessen, Jan Olav; Auestad, Bjørn Henrik; Bramness, Jørgen Gustav; Brønnick, Kolbjørn Kallesten; Haahr, Ulrik; Joa, Inge; Larsen, Tor Ketil; Melle, Ingrid; Ilner, Stein E. Opjordsmoen; Rund, Bjørn Rishovd; Røssberg, Jan Ivar; Simonsen, Erik; Vaglum, Per; Stain, Helen J.; Friis, Svein; Hegelstad, Wenche (Journal article; Peer reviewed, 2019-07)
      Background: Cognitive impairment may be a risk factor for, as well as a consequence of, psychosis. Non-remitting symptoms, premorbid functioning, level of education, and socioeconomic background are known correlates. A ...
    • Early substance use cessation improves cognition-10 years outcome in first-episode psychosis patients 

      Johannessen, Jan Olav; Auestad, Bjørn Henrik; Bramness, Jørgen Gustav; Brønnick, Kolbjørn Kallesten; Haahr, Ulrik; Joa, Inge; Larsen, Tor Ketil; Melle, Ingrid; Ilner, Stein E. Opjordsmoen; Rund, Bjørn Rishovd; Røssberg, Jan Ivar; Simonsen, Erik; Vaglum, Per; Stain, Helen J.; Friis, Svein; Hegelstad, Wenche (Journal article; Peer reviewed, 2019-07)
      Background: Cognitive impairment may be a risk factor for, as well as a consequence of, psychosis. Non-remitting symptoms, premorbid functioning, level of education, and socioeconomic background are known correlates. A ...
    • Exploring specific predictors of psychosis onset over a 2‐year period: A decision‐tree model 

      Bjørnestad, Jone Ravndal; Tjora, Tore; Langeveld, Johannes Hendrik; Stain, Helen J.; Joa, Inge; Johannessen, Jan Olav; Friedman‐Yakoobian, Michelle; Hegelstad, Wenche ten Velden (Peer reviewed; Journal article, 2021-05)
      Aim The fluctuating symptoms of clinical high risk for psychosis hamper conversion prediction models. Exploring specific symptoms using machine-learning has proven fruitful in accommodating this challenge. The aim of this ...
    • Psychotherapy in psychosis: Experiences of fully recovered service users 

      Bjørnestad, Jone Ravndal; Veseth, Marius; Davidson, Larry; Joa, Inge; Johannessen, Jan Olav; Larsen, Tor Ketil; Melle, Ingrid; Hegelstad, Wenche (Journal article; Peer reviewed, 2018-09)
      Background: Despite the evidence of the importance of including service users’ views on psychotherapy after psychosis, there is a paucity of research investigating impact on full recovery. Objectives: To explore what ...
    • Reduced Expression of Emotion: A Red Flag Signalling Conversion to Psychosis in Clinical High Risk for Psychosis (CHR-P) Populations 

      Bjørnestad, Jone Ravndal; Tjora, Tore; Langeveld, Johannes Hendrik; Joa, Inge; Johannessen, Jan Olav; Friedman‐Yakoobian, Michelle; Hegelstad, Wenche (Peer reviewed; Journal article, 2022-02)
      Objective: In this hypothesis-testing study, which is based on findings from a previous atheoretical machine-learning study, we test the predictive power of baseline “reduced expression of emotion” for psychosis. Method: ...
    • Social media and social functioning in psychosis: A systematic review 

      Bjørnestad, Jone Ravndal; Hegelstad, Wenche; Berg, Henrik; Davidson, Larry; Joa, Inge; Johannessen, Jan Olav; Melle, Ingrid; Stain, Helen J.; Pallesen, Ståle (Journal article; Peer reviewed, 2019-06)
      Background: Individuals with psychosis are heavy consumers of social media. It is unknown to what degree measures of social functioning include measures of online social activity. Objective: To examine the inclusion of ...
    • “We all have a responsibility”: a narrative discourse analysis of an information campaign targeting help-seeking in first episode psychosis 

      Hansen, Hege; Stige, Signe Hjelen; Moltu, Christian; Johannessen, Jan Olav; Joa, Inge; Dybvig, Sveinung; Veseth, Marius (Journal article; Peer reviewed, 2019-05)
      Background: Intervening at an early stage of psychosis improves the chances of recovery from first-episode psychosis. However, people who are experiencing distress and early psychotic symptoms generally seem to delay seeking ...