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Publications
  • Vitenskapelige publikasjoner
    • Ottesen, Akiah; Hegelstad, Wenche; Joa, Inge; Opjordsmoen, Stein E.; Rund, Bjørn Rishovd; Røssberg, Jan Ivar; Simonsen, Erik; Johannessen, Jan Olav; Larsen, Tor Ketil; Haahr, Ulrik Helt; McGlashan, Thomas H.; Friis, Svein; Melle, Ingrid

      (2021)

      Childhood trauma, antipsychotic medication, and symptom remission in first-episode psychosis.

      Psychological Medicine

      ISSN 0033-2917.

      s.1-10.

      DOI: 10.1017/S003329172100427X

    • Bjørnestad, Jone Ravndal; Tjora, Tore; Langeveld, Johannes Hendrik; Stain, Helen J.; Joa, Inge; Johannessen, Jan Olav; Friedman‐Yakoobian, Michelle; Hegelstad, Wenche ten Velden

      (2021)

      Exploring specific predictors of psychosis onset over a 2‐year period: A decision‐tree model.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      DOI: 10.1111/eip.13175

    • Joa, Inge; Bjørnestad, Jone Ravndal; Johannessen, Jan Olav; Langeveld, Johannes Hendrik; Stain, Helen J.; Weibell, Melissa Anne Elin Authen; Hegelstad, Wenche

      (2021)

      Early detection of ultra high risk for psychosis in a Norwegian catchment area: The two year follow-up of the Prevention of Psychosis study.

      Frontiers in Psychiatry

      ISSN 1664-0640.

      Volum 12.

      DOI: 10.3389/fpsyt.2021.573905

    • Hegelstad, Wenche ten Velden; Ottesen, Akiah; Bjørnestad, Jone Ravndal; Gismervik, Kristina Nordal; Johannessen, Jan Olav; Melle, Ingrid; Stain, Helen J.; Joa, Inge

      (2021)

      Childhood interpersonal trauma and premorbid social adjustment as predictors of symptom remission in first episode psychosis.

      Schizophrenia Research

      ISSN 0920-9964.

      Volum 232.

      s.87-94.

      DOI: 10.1016/j.schres.2021.05.015

    • Bjønness, Stig Erlend; Viksveen, Petter; Johannessen, Jan Olav; Storm, Marianne

      (2020)

      User participation and shared decision-making in adolescent mental healthcare: a qualitative study of healthcare professionals' perspectives.

      Child and Adolescent Psychiatry and Mental Health (CAPMH)

      ISSN 1753-2000.

      Volum 14.

      Hefte 2.

      DOI: 10.1186/s13034-020-0310-3

    • Stain, Helen J.; Johannessen, Jan Olav; Joa, Inge

      (2020)

      An exploratory study of the experiences of being both a mental health professional and carer in mental health services in Norway.

      Journal of Psychiatric and Mental Health Nursing

      ISSN 1351-0126.

      Volum 27.

      s.563-571.

      DOI: 10.1111/jpm.12607

    • Drosos, Petros; Brønnick, Kolbjørn Kallesten; Joa, Inge; Johannessen, Jan Olav; Johnsen, Erik; Kroken, Rune Andreas; Stain, Helen J.; Hegelstad, Wenche; Larsen, Tor Ketil

      (2020)

      One-year outcome and adherence to pharmacological guidelines in first-episode schizophrenia: Results from a consecutive cohort study.

      Journal of Clinical Psychopharmacology

      ISSN 0271-0749.

      Volum 40.

      Hefte 6.

      s.534-540.

      DOI: 10.1097/JCP.0000000000001303

    • Joa, Inge; Johannessen, Jan Olav; Heiervang, Kristin S.; Sviland, Åse Karin; Nordin, Håkan; Landers, Matthew; Ruud, Torleif; Drake, Robert E.; Bond, Gary R.

      (2020)

      The Family Psychoeducation Fidelity Scale: Psychometric Properties.

      Administration and Policy in Mental Health and Mental Health Services Research

      ISSN 0894-587X.

      Volum 47.

      s.894-900.

      DOI: 10.1007/s10488-020-01040-3

    • Anda-Ågotnes, Liss Gøril; Brønnick, Kolbjørn Kallesten; Johannessen, Jan Olav; Joa, Inge; Kroken, Rune Andreas; Johnsen, Erik; Rettenbacher, Maria; Fathian, Farivar; Løberg, Else-Marie

      (2019)

      Cognitive profile in ultra high risk for psychosis and schizophrenia: A comparison using coordinated norms.

      Frontiers in Psychiatry

      ISSN 1664-0640.

      Volum 10.

      s.1-11.

      DOI: 10.3389/fpsyt.2019.00695

    • Ferrara, Maria; Guloksuz, Sinan; Li, Fangyong; Burke, Shadie; Tek, Cenk; Friis, Svein; Hegelstad, Wenche; Joa, Inge; Johannessen, Jan Olav; Melle, Ingrid; Simonsen, Erik; Srihari, Vinod H.

      (2019)

      Parsing the impact of early detection on duration of untreated psychosis (DUP): Applying quantile regression to data from the Scandinavian TIPS study.

      Schizophrenia Research

      ISSN 0920-9964.

      Volum 210.

      s.128-134.

      DOI: 10.1016/j.schres.2019.05.035

    • Fredriksen, Kristin J; Schaufel, Margrethe Aase; Johannessen, Jan Olav; Walby, Fredrik A; Davidson, Larry; Schøyen, Helle Kristine

      (2019)

      Preventing Suicide among Psychiatric Inpatients with Psychotic Depression.

      Psychiatric quarterly

      ISSN 0033-2720.

      DOI: 10.1007/s11126-019-09677-6

    • Yeisen, Rafal Adnan Hashim; Bjørnestad, Jone Ravndal; Joa, Inge; Johannessen, Jan Olav; Ilner, Stein E. Opjordsmoen

      (2019)

      Psychiatrists’ reflections on a medication-free program for patients with psychosis.

      Journal of Psychopharmacology

      ISSN 0269-8811.

      Volum 33.

      Hefte 4.

      s.459-465.

      DOI: 10.1177/0269881118822048

    • 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 Jørgen Wiggen; Stain, Helen J.; Friis, Svein; Hegelstad, Wenche

      (2019)

      Early substance use cessation improves cognition-10 years outcome in first-episode psychosis patients.

      Frontiers in Psychiatry

      ISSN 1664-0640.

      Volum 10.

      DOI: 10.3389/fpsyt.2019.00495

    • Bjørnestad, Jone Ravndal; Hegelstad, Wenche; Berg, Henrik; Davidson, Larry; Joa, Inge; Johannessen, Jan Olav; Melle, Ingrid; Stain, Helen J.; Pallesen, Ståle

      (2019)

      Social media and social functioning in psychosis: A systematic review.

      Journal of Medical Internet Research

      ISSN 1438-8871.

      Volum 21.

      Hefte 6.

      s.1-22.

      DOI: 10.2196/13957

    • Hansen, Hege; Stige, Signe Hjelen; Moltu, Christian; Johannessen, Jan Olav; Joa, Inge; Dybvig, Sveinung; Veseth, Marius

      (2019)

      “We all have a responsibility”: a narrative discourse analysis of an information campaign targeting help-seeking in first episode psychosis.

      International Journal of Mental Health Systems

      ISSN 1752-4458.

      Volum 13.

      Hefte 32.

      s.1-14.

      DOI: 10.1186/s13033-019-0289-4

    • Hegelstad, Wenche; Joa, Inge; Heitmann, Lena; Johannessen, Jan Olav; Langeveld, Johannes H.

      (2019)

      Job- and schoolprescription: A local adaption to individual placement av support for first episode psychosis.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 13.

      Hefte 4.

      s.859-866.

      DOI: 10.1111/eip.12686

    • Gardsjord, Erlend Strand; Romm, Kristin Lie; Røssberg, Jan Ivar; Friis, Svein; Barder, Helene; Evensen, Julie Horgen; Haahr, Ulrik; Hegelstad, Wenche; Joa, Inge; Johannessen, Jan Olav; Langeveld, Johannes H.; Larsen, Tor Ketil; Ilner, Stein E. Opjordsmoen; Rund, Bjørn Rishovd; Simonsen, Erik; Vaglum, Per Jørgen Wiggen; Melle, Ingrid

      (2018)

      Depression and functioning are important to subjective quality of life after a first episode psychosis.

      Comprehensive Psychiatry

      ISSN 0010-440X.

      Volum 86.

      s.107-114.

      DOI: 10.1016/j.comppsych.2018.07.014

    • Aase, Ingvild; Kompus, Kristiina; Gisselgård, Jens; Joa, Inge; Johannessen, Jan Olav; Brønnick, Kolbjørn Selvåg

      (2018)

      Language lateralization and auditory attention impairment in young adults at ultra-high risk for psychosis: A dichotic listening study.

      Frontiers in Psychology

      ISSN 1664-1078.

      Volum 9.

      s.1-9.

      DOI: 10.3389/fpsyg.2018.00608

    • Bjørnestad, Jone Ravndal; Veseth, Marius; Davidson, Larry; Joa, Inge; Johannessen, Jan Olav; Larsen, Tor Ketil; Melle, Ingrid; Hegelstad, Wenche

      (2018)

      Psychotherapy in psychosis: Experiences of fully recovered service users.

      Frontiers in Psychology

      ISSN 1664-1078.

      Volum 9.

      s.1-7.

      DOI: 10.3389/fpsyg.2018.01675

    • Gisselgård, Jens; Lebedev, Alexander; Kurz, Kathinka Dæhli; Joa, Inge; Johannessen, Jan Olav; Brønnick, Kolbjørn Selvåg

      (2018)

      Structural and functional alterations in the brain during working memory in medication-naive patients at clinical high-risk for psychosis.

      PLOS ONE

      ISSN 1932-6203.

      Volum 13.

      Hefte 5.

      DOI: 10.1371/journal.pone.0196289

    • Weibell, Melissa Anne ; Hegelstad, Wenche; Auestad, Bjørn Henrik; Bramness, Jørgen Gustav; Evensen, Julie Horgen; Haahr, Ulrik; Joa, Inge; Johannessen, Jan Olav; Larsen, Tor Ketil; Melle, Ingrid; Ilner, Stein E. Opjordsmoen; Rund, Bjørn Rishovd; Simonsen, Erik; Vaglum, Per Jørgen Wiggen; McGlashan, Thomas; McGorry, Patrick; Friis, Svein

      (2017)

      The Effect of Substance Use on 10-Year Outcome in First-Episode Psychosis.

      Schizophrenia Bulletin

      ISSN 0586-7614.

      Volum 43.

      Hefte 4.

      s.843-851.

      DOI: 10.1093/schbul/sbw179

    • Sviland, Åse Karin; Johannessen, Jan Olav; Joa, Inge

      (2017)

      Hvordan ungdom som står i fare for å utvikle psykose og som har deltatt i psykoedukativ familiebehandling opplever mestring i skole og sosial fungering :.

      Nordisk sygeplejeforskning

      ISSN 1892-2678.

      Volum 7.

      Hefte 1.

      s.35-47.

      DOI: 10.18261/issn.1892-2686-2017-01-04

    • Joa, Inge; Hustoft, Kjetil; Anda-Ågotnes, Liss Gøril; Brønnick, Kolbjørn Selvåg; Nielssen, Olav; Johannessen, Jan Olav; Langeveld, Johannes H.

      (2017)

      Public attitudes towards involuntary admission and treatment by mental health services in Norway.

      International Journal of Law and Psychiatry

      ISSN 0160-2527.

      Volum 55.

      s.1-7.

      DOI: 10.1016/j.ijlp.2017.09.002

    • Bjørnestad, Jone Ravndal; Hegelstad, Wenche; Joa, Inge; Davidson, Larry; Larsen, Tor Ketil; Melle, Ingrid; Veseth, Marius; Johannessen, Jan Olav; Brønnick, Kolbjørn Selvåg

      (2017)

      "With a little help from my friends" social predictors of clinical recovery in first-episode psychosis.

      Psychiatry Research

      ISSN 0165-1781.

      Volum 255.

      s.209-214.

      DOI: 10.1016/j.psychres.2017.05.041

    • Bjørnestad, Jone Ravndal; Davidson, Larry; Joa, Inge; Larsen, Tor Ketil; Hegelstad, Wenche; Langeveld, Johannes H.; Veseth, Marius; Melle, Ingrid; Johannessen, Jan Olav; Brønnick, Kolbjørn Selvåg

      (2017)

      Antipsychotic treatment: experiences of fully recovered service users.

      Journal of Mental Health

      ISSN 0963-8237.

      Volum 26.

      Hefte 3.

      s.264-270.

      DOI: 10.1080/09638237.2017.1294735

    • Gardsjord, Erlend Strand; Romm, Kristin Lie; Røssberg, Jan Ivar; Friis, Svein; Barder, Helene; Evensen, Julie Horgen; Haahr, Ulrik; Hegelstad, Wenche; Joa, Inge; Johannessen, Jan Olav; Langeveld, Johannes H.; Larsen, Tor Ketil; Ilner, Stein E. Opjordsmoen; Rund, Bjørn Rishovd; Simonsen, Erik; Vaglum, Per Jørgen Wiggen; McGlashan, Thomas; Melle, Ingrid

      (2017)

      Is going into stable symptomatic remission associated with a more positive development of life satisfaction? A 10-year follow-up study of first episode psychosis.

      Schizophrenia Research

      ISSN 0920-9964.

      Volum 193.

      s.364-369.

      DOI: 10.1016/j.schres.2017.07.006

    • Yeisen, Rafal Adnan Hashim; Bjørnestad, Jone Ravndal; Joa, Inge; Johannessen, Jan Olav; Ilner, Stein E. Opjordsmoen

      (2017)

      Experiences of antipsychotic use in patients with early psychosis: A two-year follow-up study.

      BMC Psychiatry

      ISSN 1471-244X.

      Volum 17.

      DOI: 10.1186/s12888-017-1425-9

    • Hustoft, Kjetil; Larsen, Tor Ketil; Brønnick, Kolbjørn Selvåg; Joa, Inge; Johannessen, Jan Olav; Ruud, Torleif

      (2017)

      Voluntary or involuntary acute psychiatric hospitalization in Norway: A 24 h follow up study.

      International Journal of Law and Psychiatry

      ISSN 0160-2527.

      Volum 56.

      s.27-34.

      DOI: 10.1016/j.ijlp.2017.10.011

    • Melle, Ingrid; Johannessen, Jan Olav; Haahr, Ulrik H.; Hegelstad, Wenche; Joa, Inge; Langeveld, Johannes H.; Larsen, Tor Ketil; Ilner, Stein E. Opjordsmoen; Qin, Ping; Røssberg, Jan Ivar; Rund, Bjørn Rishovd; Simonsen, Erik; Vaglum, Per Jørgen Wiggen; McGlashan, Thomas H.; Friis, Svein

      (2017)

      Causes and predictors of premature death in first-episode schizophrenia spectrum disorders.

      World Psychiatry

      ISSN 1723-8617.

      Volum 16.

      Hefte 2.

      s.217-218.

      DOI: 10.1002/wps.20431

    • Langeveld, Johannes H.; Bjørkly, Stål; Evensen, Julie Horgen; Joa, Inge; Johannessen, Jan Olav; Larsen, Tor Ketil; Melle, Ingrid; Ilner, Stein E. Opjordsmoen; Røssberg, Jan Ivar; Rund, Bjørn Rishovd; Simonsen, Erik; Vaglum, Per Jørgen Wiggen; Hegelstad, Wenche; McGlashan, Tom; Friis, Svein

      (2017)

      A 10-year follow-up study of violent victimization in first episode psychosis : risk and protective factors.

      Psychiatry Research

      ISSN 0165-1781.

      Volum 259.

      Hefte January.

      s.545-549.

      DOI: 10.1016/j.psychres.2017.11.013

    • Fredriksen, Kristin J; Schøyen, Helle Kristine; Johannessen, Jan Olav; Walby, Fredrik A; Davidson, Larry; Schaufel, Margrethe Aase

      (2017)

      Psychotic depression and suicidal behavior.

      Psychiatry

      ISSN 0033-2747.

      Volum 80.

      Hefte 1.

      s.17-29.

      DOI: 10.1080/00332747.2016.1208002

    • Sønmez, Nasrettin; Røssberg, Jan Ivar; Evensen, Julie Horgen; Barder, Helene; Haahr, Ulrik; Hegelstad, Wenche; Joa, Inge; Johannessen, Jan Olav; Langeveld, Johannes H.; Larsen, Tor Ketil; Melle, Ingrid; Ilner, Stein E. Opjordsmoen; Rund, Bjørn Rishovd; Simonsen, Erik; Vaglum, Per Jørgen Wiggen; McGlashan, Thomas; Friis, Svein

      (2016)

      Depressive symptoms in first-episode psychosis: A 10-year follow-up study.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 10.

      Hefte 3.

      s.227-233.

      DOI: 10.1111/eip.12163

    • Solesvik, Martine; Joa, Inge; Larsen, Tor Ketil; Langeveld, Johannes H.; Johannessen, Jan Olav; Bjørnestad, Jone Ravndal; Anda-Ågotnes, Liss Gøril; Gisselgård, Jens; Hegelstad, Wenche; Brønnick, Kolbjørn Selvåg

      (2016)

      Visual Hallucinations in First-Episode Psychosis: Association with Childhood Trauma.

      PLOS ONE

      ISSN 1932-6203.

      DOI: 10.1371/journal.pone.0153458

    • Bay, Nina Angelika; Bjørnestad, Jone Ravndal; Johannessen, Jan Olav; Larsen, Tor Ketil; Joa, Inge

      (2016)

      Obstacles to care in first-episode psychosis patients with a long duration of untreated psychosis.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 10.

      Hefte 1.

      s.71-76.

      DOI: 10.1111/eip.12152

    • Bjørnestad, Jone Ravndal; Joa, Inge; Larsen, Tor Ketil; Langeveld, Johannes H.; Davidson, Larry; Hegelstad, Wenche; Anda-Ågotnes, Liss Gøril; Veseth, Marius; Melle, Ingrid; Johannessen, Jan Olav; Brønnick, Kolbjørn Selvåg

      (2016)

      "Everyone Needs a Friend Sometimes" - social predictors of long-term remission in first episode psychosis.

      Frontiers in Psychology

      ISSN 1664-1078.

      Volum 7.

      DOI: 10.3389/fpsyg.2016.01491

    • Yeisen, Rafal Adnan Hashim; Joa, Inge; Johannessen, Jan Olav; Ilner, Stein E. Opjordsmoen

      (2016)

      Use of medication algorithms in first episode psychosis: a naturalistic observational study.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 10.

      Hefte 6.

      s.503-510.

      DOI: 10.1111/eip.12203

    • Rund, Bjørn Rishovd; Barder, Helene; Evensen, Julie Horgen; Haahr, Ulrik; Hegelstad, Wenche; Joa, Inge; Johannessen, Jan Olav; Langeveld, Johannes H.; Larsen, Tor Ketil; Melle, Ingrid; Ilner, Stein E. Opjordsmoen; Røssberg, Jan Ivar; Simonsen, Erik; Sundet, Kjetil Søren; Vaglum, Per Jørgen Wiggen; McGlashan, Thomas; Friis, Svein

      (2016)

      Neurocognition and Duration of Psychosis: A 10-year Follow-up of First-Episode Patients.

      Schizophrenia Bulletin

      ISSN 0586-7614.

      Volum 42.

      Hefte 1.

      s.87-95.

      DOI: 10.1093/schbul/sbv083

    • Hegelstad, Wenche; Brønnick, Kolbjørn Selvåg; Barder, Helene; Evensen, Julie Horgen; Haahr, Ulrik; Joa, Inge; Johannessen, Jan Olav; Langeveld, Johannes H.; Larsen, Tor Ketil; Melle, Ingrid; Ilner, Stein E. Opjordsmoen; Rund, Bjørn Rishovd; Røssberg, Jan Ivar; Simonsen, Erik; Vaglum, Per Jørgen Wiggen; McGlashan, Thomas; Friis, Svein

      (2016)

      Preventing poor vocational functioning in psychosis through early intervention.

      Psychiatric Services

      ISSN 1075-2730.

      Volum 68.

      Hefte 1.

      s.100-103.

      DOI: 10.1176/appi.ps.201500451

    • Bjørnestad, Jone Ravndal; Brønnick, Kolbjørn Selvåg; Davidson, Larry; Hegelstad, Wenche; Joa, Inge; Kandal, Øyvind; Larsen, Tor Ketil; Langeveld, Johannes H.; Veseth, Marius; Melle, Ingrid; Johannessen, Jan Olav

      (2016)

      The central role of self-agency in clinical recovery from first episode psychosis.

      Psychosis

      ISSN 1752-2439.

      Volum 9.

      Hefte 2.

      s.140-148.

      DOI: 10.1080/17522439.2016.1198828

    • Langeveld, Johannes H.; Hatløy, Kristin; Johannessen, Jan Olav; Joa, Inge

      (2016)

      Psykoser. I: Psykisk helse i skolen.

      Universitetsforlaget

      ISBN 9788215026015.

      s.237-256.

    • Friis, Svein; Melle, Ingrid; Johannessen, Jan Olav; Røssberg, Jan Ivar; Barder, Helene; Evensen, Julie Horgen; Haahr, Ulrik; Hegelstad, Wenche; Joa, Inge; Langeveld, Johannes H.; Larsen, Tor Ketil; Ilner, Stein E. Opjordsmoen; Rund, Bjørn Rishovd; Simonsen, Erik; Vaglum, Per Jørgen Wiggen; McGlashan, Thomas H.

      (2016)

      Early Predictors of Ten-Year Course in First-Episode Psychosis..

      Psychiatric Services

      ISSN 1075-2730.

      Volum 67.

      Hefte 4.

      s.438-443.

      DOI: 10.1176/appi.ps.201400558

    • Gardsjord, Erlend Strand; Romm, Kristin Lie; Friis, Svein; Barder, Helene; Evensen, Julie Horgen; Haahr, Ulrik; Hegelstad, Wenche; Joa, Inge; Johannessen, Jan Olav; Langeveld, Johannes H.; Larsen, Tor Ketil; Ilner, Stein E. Opjordsmoen; Rund, Bjørn Rishovd; Simonsen, Erik; Vaglum, Per Jørgen Wiggen; McGlashan, Thomas; Melle, Ingrid; Røssberg, Jan Ivar

      (2016)

      Subjective quality of life in first-episode psychosis. A ten year follow-up study.

      Schizophrenia Research

      ISSN 0920-9964.

      Volum 172.

      Hefte 1-3.

      s.23-28.

      DOI: 10.1016/j.schres.2016.02.034

    • Haahr, Ulrik Helt; Larsen, Tor Ketil; Simonsen, Erik; Rund, Bjørn Rishovd; Joa, Inge; Røssberg, Jan Ivar; Johannessen, Jan Olav; Langeveld, Johannes H.; Evensen, Julie Horgen; Trauelsen, Anne Marie; Vaglum, Per Jørgen Wiggen; Ilner, Stein E. Opjordsmoen; Hegelstad, Wenche; Friis, Svein; McGlashan, Thomas; Melle, Ingrid

      (2016)

      Relation between premorbid adjustment, duration of untreated psychosis and close interpersonal trauma in first-episode psychosis .

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 12.

      Hefte 3.

      s.316-323.

      DOI: 10.1111/eip.12315

    • Thorsen, Olav; Hartveit, Miriam; Johannessen, Jan Olav; Fosse, Lars; Eide, Geir Egil; Schulz, Jörn; Baerheim, Anders

      (2016)

      Typologies in GPs' referral practice.

      BMC Family Practice

      ISSN 1471-2296.

      Volum 17:76.

      DOI: 10.1186/s12875-016-0495-y

    • Barder, Helene; Sundet, Kjetil Søren; Rund, Bjørn Rishovd; Evensen, Julie Horgen; Haahr, Ulrik; Hegelstad, Wenche; Joa, Inge; Johannessen, Jan Olav; Langeveld, Johannes H.; Larsen, Tor Ketil; Melle, Ingrid; Ilner, Stein E. Opjordsmoen; Røssberg, Jan Ivar; Simonsen, Erik; Vaglum, Per Jørgen Wiggen; McGlashan, Thomas; Friis, Svein

      (2015)

      Ten year course of IQ in first-episode psychosis: relationship between duration of psychsis and long-term intellectual trajectories.

      Psychiatry Research

      ISSN 0165-1781.

      Volum 225.

      Hefte 3.

      s.515-521.

      DOI: 10.1016/j.psychres.2014.11.054

    • Joa, Inge; Gisselgård, Jens; Brønnick, Kolbjørn S; McGlashan, Thomas; Johannessen, Jan Olav

      (2015)

      Primary prevention of psychosis through interventions in the symptomatic prodromal phase, a pragmatic Norwegian ultra high risk study.

      BMC Psychiatry

      ISSN 1471-244X.

      Volum 15:89.

      DOI: 10.1186/s12888-015-0470-5

    • Austad, Gudrun; Joa, Inge; Johannessen, Jan Olav; Larsen, Tor Ketil

      (2015)

      Gender differences in suicidal behaviour in patients with first-episode psychosis.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 9.

      Hefte 4.

      s.300-307.

      DOI: 10.1111/eip.12113

    • Gisselgård, Jens; Anda, Liss Gøril; Brønnick, Kolbjørn S; Langeveld, Johannes H.; Hegelstad, Wenche; Joa, Inge; Johannessen, Jan Olav; Larsen, Tor Ketil

      (2014)

      Verbal working memory deficits predict levels of auditory hallucination in first-episode psychosis.

      Schizophrenia Research

      ISSN 0920-9964.

      Volum 153.

      Hefte 1-3.

      s.38-41.

      DOI: 10.1016/j.schres.2013.12.018

    • Langeveld, Johannes H.; Bjørkly, Stål; Auestad, Bjørn Henrik; Barder, Helene; Evensen, Julie Horgen; Hegelstad, Wenche; Joa, Inge; Johannessen, Jan Olav; Larsen, Tor Ketil; Melle, Ingrid; Ilner, Stein E. Opjordsmoen; Røssberg, Jan Ivar; Rund, Bjørn Rishovd; Simonsen, Erik; Vaglum, Per Jørgen Wiggen; McGlashan, Thomas; Friis, Svein

      (2014)

      Treatment and violent behavior in persons with first episode psychosis during a 10-year prospective follow-up study.

      Schizophrenia Research

      ISSN 0920-9964.

      Volum 156.

      Hefte 2-3.

      s.272-276.

      DOI: 10.1016/j.schres.2014.04.010

    • Stain, Helen J.; Brønnick, Kolbjørn S; Hegelstad, Wenche; Joa, Inge; Johannessen, Jan Olav; Langeveld, Johannes H.; Mawn, Lauren; Larsen, Tor Ketil

      (2014)

      Impact of Interpersonal Trauma on the Social Functioning of Adults With First-Episode Psychosis.

      Schizophrenia Bulletin

      ISSN 0586-7614.

      Volum 40.

      Hefte 6.

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      Schizophrenia Research

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      Volum 88.

      s.55-62.

    • Larsen, Tor Kjetil; Johannessen, Jan Olav

      (2005)

      Relasjonenes betydning for hjelpsøkede atferd hos mennesker med tidlig psykose-symptomer. I: Oss imellom.Om relasjonenes betydning for mental helse.

      ISBN 82-92023-86-0.

    • Johannessen, JO; Larsen, Tor Kjetil; Melle, Ingrid; Friis, Svein; Ilner, Opjordsmoen Stein E.; Rund, Bjørn Rishovd; Joa, I; Simonsen, E; Vaglum, Per Jørgen Wiggen; McGlashan, Thomas

      (2005)

      Pathways to care for first-episode psychosis in an early detection healthcare sector - Part of the Scandinavian TIPS study.

      British Journal of Psychiatry

      ISSN 0007-1250.

      Volum 187.

    • Melle, Ingrid; Haahr, Ulrik; Friis, Svein; Hustoft, Ketil; Johannessen, Jan Olav; Larsen, Tor Kjetil; Ilner, Opjordsmoen Stein E.; Rund, Bjørn Rishovd; Simonsen, Erik; Vaglum, Per Jørgen Wiggen; McGlashan, Thomas

      (2005)

      Reducing the duration of untreated first-episode psychosis - effects on baseline social functioning and quality of life.

      Acta Psychiatrica Scandinavica

      ISSN 0001-690X.

      Volum 112.

      s.469-473.

    • Friis, Svein; Vaglum, Per Jørgen Wiggen; Haahr, U; Johannessen, JO; Larsen, Tor Kjetil; Melle, Ingrid; Ilner, Opjordsmoen Stein E.; Rund, Bjørn Rishovd; Simonsen, E; McGlashan, Thomas

      (2005)

      Effect of an early detection programme on duration of untreated psychosis - Part of the Scandinavian TIPS study.

      British Journal of Psychiatry

      ISSN 0007-1250.

      Volum 187.

    • Melle, Ingrid; Friis, Svein; Haahr, Ulrik; Johannessen, Jan Olav; Larsen, Tor Kjetil; Ilner, Opjordsmoen Stein E.; Roessberg, Jan; Rund, Bjørn Rishovd; Simonsen, Erik; Vaglum, Per Jørgen Wiggen; McGlashan, Thomas

      (2005)

      Measuring quality of life in first-episode psychosis.

      European psychiatry

      ISSN 0924-9338.

      Volum 20.

      s.474-483.

    • Melle, Ingrid; Larsen, Tor ketil; Haahr, Ulrik; Friis, Svein; Johannessen, Jan Olav; Ilner, Stein E. Opjordsmoen; Simonsen, Erik; Rund, Bjørn Rishovd; Vaglum, Per Jørgen Wiggen; McGlashan, Thomas

      (2004)

      Reducing the duration of untreated first-episode psychosis: effects on clinical presentation.

      Archives of General Psychiatry

      ISSN 0003-990X.

      Volum 61.

      Hefte 2.

      s.143-150.

    • Friis, Svein; Melle, Ingrid; Opjordsmoen, Stein; Johannessen, Jan Olav; Haahr, Ulrik; Simonsen, Erik; Rund, Bjørn Rishovd; Vaglum, Per; McGlashan, Thomas

      (2003)

      Methodological pitfalls in early detection studies - the NAPE Lecture 2002. Nordic Association for Psychiatric Epidemiology.

      Acta Psychiatrica Scandinavica

      ISSN 0001-690X.

      Volum 107.

      Hefte 1.

      s.3-9.

    • Joa, Inge; Larsen, Tor Kjetil; Johannessen, Jan Olav; Vaglum, Per

      (2001)

      Oppdages psykiske lidelser tidlig, er de enklere å behandle. En presentasjon av TIPS prosjektet.

      Tidsskriftet sykepleien

      ISSN 0806-7511.

      Volum 89.

      s.38-41.

    • Johannessen, Jan Olav; Larsen, Tor Kjetil; McGlashan, Thomas H.; Vaglum, Per

      (2000)

      Early intervention in psychosis:the TIPS project,a multi-centre study in Scandinavia. I: Psychosis. Psychological Approaches and their Effectiveness.

      ISBN 1-901242-49-8.

      s.210-234.

    • Johannessen, Jan Olav; Larsen, Tor Kjetil

      (2000)

      Early treatment and detection of functional psychosis; education programmes and early detection teams. I: Tidlig indsats ved skizofreni: udvikling og behandling.

      ISBN 87-7749-295-1.

    • Johannessen, Jan Olav; Larsen, Tor Kjetil

      (2000)

      Tilbakefallsprosent som kvalitetsmål i psykiatrisk behandling.

      Tidsskrift for Den norske legeforening

      ISSN 0029-2001.

      Volum 120.

      Hefte 18.

      s.2144-2147.

    • Larsen, Tor Kjetil; Moe, Lars C.; Vibe-Hansen, Lars; Johannessen, Jan Olav

      (2000)

      Premorbid functioning versus duration of untreated psychosis in 1 year outcome in first-rpisode psychosis.

      Schizophrenia Research

      ISSN 0920-9964.

      Volum 45.

      Hefte 1-2.

      s.1-9.

    • Larsen, Tor Kjetil; Johannessen, Jan Olav; McGlashan, Thomas H.; Horneland, Marthe; Mardal, Sigurd; Vaglum, Per

      (2000)

      Can duration of untreated psychosis be reduced?. I: Early intervention in psychosis. A guide to concepts,evidence and interventions.

      ISBN 0-471-97865-5.

      s.143-165.

    • Larsen, Tor Kjetil; Johannessen, Jan Olav; Guldberg, Cato; Opjordsmoen, Stein; Vaglum, Per; McGlashan, Thomas H.

      (1999)

      Early intervention programs in first-episode psychosis and reduction of duration of untreated psychosis (DUP).

      Schizophrenia Research

      ISSN 0920-9964.

      Volum 36.

      s.344-345.

    • Larsen, Tor Kjetil; Johannessen, Jan Olav; Opjordsmoen, Stein

      (1998)

      First-episode schizophrenia with long duration of untreated psychosis. Pathways to care.

      British Journal of Psychiatry

      ISSN 0007-1250.

      Volum 33.

      s.45-52.

    • Larsen, Tor Kjetil; Johannessen, Jan Olav; Opjordsmoen, Stein

      (1998)

      First episode schizophrenia with long duration of untreated psychosis. Pathways to care.

      British Journal of Psychiatry

      ISSN 0007-1250.

      Volum 172.

      Hefte Suppl 33.

      s.45-52.

    • Larsen, Tor Kjetil; McGlashan, Thomas H.; Johannessen, Jan Olav; Vibe-Hansen, Lars

      (1996)

      First-episode schizophrenia: II Premorbid patterns by gender.

      Schizophrenia Bulletin

      ISSN 0586-7614.

      Volum 22.

      Hefte 2.

      s.257-269.

  • Bøker og kapitler
    • Johannessen, Jan Olav; Kalhovde, Anne Martha; Fjell, Anne; Almås, Arnhild; Sørensen, Bjørg Nitteberg; Løberg, Else-Marie; Sundal, Even; Melle, Ingrid; Sørensen, Jan Magne; Jørgensen, John Ole; Hodali, Leila; Sirpal, Manjit Kaur; Dahle, Petter; Hagen, Roger; Garberg, Torbjørn

      (2013)

      Utredning, behandling og oppfølging av personer med psykoselidelser.

    • Ruud, Torleif; Johannessen, Jan Olav; Rund, Bjørn Rishovd

      (2008)

      Schizofreni- en sammensatt lidelse. Kap 4.4 i Helsedirektoratet: Skapes helse, skapes velferd-helsesystemets rolle i det norske samfunn.

    • Johannessen, Jan Olav; Bloch Thorsen, Gerd Ragna

      (2003)

      Den gode psykoterapeut.

      ISBN 82-92023-10-0.

    • Mille, T; Mednick, SA; McGlashan, Thomas H.; Libiger, J; Johannessen, Jan Olav

      (2001)

      Early intervention in psychotic disorders. NATO Science Series D: Behavioural and Social Sciences.

      Kluwer Academic Publishers

  • Formidling
    • Bjønness, Stig Erlend; Viksveen, Petter; Johannessen, Jan Olav; Storm, Marianne

      (2019)

      User participation and shared decision-making in adolescent mental healthcare: A qualitative study of health personnel and managements’ perspective.

    • Johannessen, Jan Olav

      (2019)

      “Psychosis” is 10 years old. Congratulations and celebrations.

      Psychosis

      ISSN 1752-2439.

      Volum 11.

      Hefte 1.

      s.1-2.

      DOI: 10.1080/17522439.2019.1577480

    • Thorsen, Olav; Hartveit, Miriam; Johannessen, Jan Olav; Fosse, Lars; Eide, Geir Egil; Schulz, Jörn; Baerheim, Anders

      (2017)

      Erratum to: Typologies in GPs' referral practice.

      BMC Family Practice

      ISSN 1471-2296.

      Volum 18.

      Hefte 1.

    • Aase, Ingvild; Kompus, Kristiina; Joa, Inge; Johannessen, Jan Olav; Gisselgård, Jens P.; Brønnick, Kolbjørn Selvåg

      (2016)

      Language lateralization and attention impairment in young adults at ultra-high risk for psychosis: a dichotic listening study.

    • Lien, Lars; Johannessen, Jan Olav

      (2015)

      Re: Flere og gale diagnoser med kriteriebasert diagnostikk.

      Tidsskrift for Den norske legeforening

      ISSN 0029-2001.

      Volum 135.

      Hefte 19.

      s.1712-1772.

      DOI: 10.4045/tidsskr.15.1022

    • Bjåstad, Jon Fauskanger; Øhlckers, Lars Ravn; Moe, Lars Conrad; Skandsen, Jan; Johannessen, Jan Olav; Haugland, Bente Storm Mowatt; Wergeland, Gro Janne; Øst, Lars Gøran

      (2015)

      Examining the content and effectiveness of treatments for anxiety disorders in child and adolescent mental health clinics.

    • Johannessen, Jan Olav

      (2013)

      Sullivan revisited - Life and work: Harry Stack Sullivan's relevance for contemporary psychiatry, psychotherapy and psychoanalysis. By Marco Conci, Tangram Edizioni Scientifiche, 563 pp. ISBN: 978-88-6548-023-4.

      Psychosis

      ISSN 1752-2439.

      Volum 5.

      Hefte 3.

      s.319-320.

      DOI: 10.1080/17522439.2013.778898

    • Hatløy, Kristin; Joa, Inge; Idsøe, Ella Maria C.; Idsøe, Thormod; Johannessen, Jan Olav; Langeveld, Johannes H.

      (2013)

      High school students’ mental health literacy and attitudes to treatment; possible effects of an Norwegian early detection campaign and a psychoeducative curriculum.

    • Hustoft, Kjetil; Johannessen, Jan Olav; Larsen, Tor Ketil; Joa, Inge; Bremseth, Frode; Jørgensen, Robert; Holbæk-Hanssen, Trond; Jensen, Målfrid Frahm

      (2012)

      Psychiatric ambulance - A new feature in the psychiatric emergency care.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 6.

      s.112-112.

    • Friis, Svein; Barder, Helene; Evensen, Julie Horgen; Haahr, Ulrik; Hegelstad, Wenche ten Velden; Joa, Inge; Johannessen, Jan Olav; Langeveld, Johannes; Larsen, Tor Ketil; Melle, Ingrid; Opjordsmoen, Stein; Rund, Bjørn Rishovd; Røssberg, Jan Ivar; Simonsen, Erik; Sundet, Kjetil Søren; Vaglum, Per Jørgen Wiggen; McGlashan, Thomas

      (2012)

      The TIPS study and bias: Replies to Dr Amos.

      Australian and New Zealand journal of psychiatry (Print)

      ISSN 0004-8674.

      Volum 46.

      Hefte 9.

      s.905-907.

      DOI: 10.1177/0004867412451344

    • Gisselgård, Jens; Larsen, Tor Ketil; Brønnick, Kolbjørn S; langeveld, Johannes; Hegelstad, Wenche; Joa, Inge; Johannessen, Jan Olav

      (2012)

      Cognitive correlates of auditory hallucinations in first episode psychosis.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 6.

      s.41-41.

    • Joa, Inge; Larsen, Tor Ketil; Skryten, Lill Kjersti; Gisselgård, Jens; Ødegaard, Ketil; Johnsen, Erik; Rosseboe, Kornelie; McGlashan, Thomas; Johannessen, Jan Olav

      (2012)

      Primary prevention of Psychosis (POP): a Norwegian UHR initiative.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 6.

      s.117-117.

    • Hustoft, Kjetil; Larsen, Tor Ketil; Auestad, Bjørn Henrik; Joa, Inge; Johannessen, Jan Olav; Ruud, Torleif

      (2012)

      Predictors of involuntary hospitalizations to acute psychiatry.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 6.

      s.112-112.

    • Barder, Helene; Sundet, Kjetil Søren; Rund, Bjørn Rishovd; Haar, Ulrik; Johannessen, Jan Olav; Larsen, Tor Ketil; Melle, Ingrid; Opjordsmoen, Stein; Rossberg, Jan Ivar; Simonsen, Erik; McGlashan, Thomas; Friis, Svein

      (2012)

      Neurocognitive development in first-episode psychosis 5-year follow-up: associations between illness severity and cognitive course.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 6.

      s.27-27.

    • Bergesen, Aase Undersud; Grønnestad, Trond; Joa, Inge; Johannessen, Jan Olav; Dybvig, Sveinung; Rennan, Jon Anders

      (2012)

      Improving the strategies of early detection of psychosis. A focus group study.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 6.

      s.75-75.

    • Langeveld, Johannes H.; Joa, Inge; Johannessen, Jan Olav; Friis, Svein; Hegelstad, Wenche; Melle, Ingrid; Ilner, Stein E. Opjordsmoen; Larsen, Tor Ketil; Vaglum, Per Jørgen Wiggen; Auestad, Bjørn Henrik; Bjørkly, Stål; McGlashan, Tom

      (2012)

      Characteristic of first-episode psychosis patients reporting violent/threatening behavior.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 6.

      s.51-51.

    • Weibell, Melissa Anne E.a; Joa, Inge; Hegelstad, Wenche; Langerveld, Hans; Larsen, T.K.; Johannessen, Jan Olav

      (2012)

      First episode psychosis in a Norwegian catchment area. A comparison in incidence and baseline characteristics between substance induced psychosis and primary psychosis with and without substance misuse.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 6.

      s.115-115.

    • Melle, Ingrid; Johannessen, Jan Olav; Joa, Inge; Haahr, Ulrik; Rossberg, Jan Ivar; Evensen, Julie; Hegelstad, Wenche ten Velden; Simonsen, Erik; Larsen, T.K.; Vaglum, Per Jørgen Wiggen; McGlashan, Thomas; Friis, Svein

      (2012)

      Suicide and accidental death in first-episode schizophrenia spectrum psychosis.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 6.

      Hefte Supp. 1.

      s.23-23.

    • Simonsen, Erik; Haahr, Ulrik; Evensen, Julie Horgen; Helgestad, Wenche ten Velden; Joa, Inge; Johannessen, Jan Olav; Langeveld, Hans; Larsen, Tor Ketil; Melle, Ingrid; Opjordsmoen, Stein; Rossberg, Jan Ivar; Rund, Bjørn Rishovd

      (2012)

      Recovery at 10 years in first-episode psychosis.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 6.

      Hefte Supp. 1.

      s.20-20.

    • Mihalopoulos, Cathrine; McCrone, Paul; Knapp, Martin; Johannessen, Jan Olav; Malla, Ashok; McGorry, Patrick

      (2012)

      The costs of early intervention in psychosis: Restoring the balance.

      Australian and New Zealand journal of psychiatry (Print)

      ISSN 0004-8674.

      Volum 46.

      Hefte 9.

      s.808-8011.

      DOI: 10.1177/0004867412457999

    • Haahr, Ulrik; Larsen, Tor Ketil; Simonsen, Erik; Joa, Inge; Melle, Ingrid; Rossberg, Jan Ivar; Johannessen, Jan Olav; Trauelsen, Anne Marie; Vaglum, Per; Opjordsmoen, Stein; Friis, Svein; McGlashan, Thomas

      (2012)

      The relation between trauma and clinical factors in first-episode psychosis: Results from the TIPS study.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 6.

      s.82-82.

    • Jørgensen, Robert; Johannessen, Jan Olav; Hatløy, Kristin; Joa, Inge

      (2012)

      Breakthrough improvement model: Moving the hospital early detection services to a municipality youth health- and leisure center. Is it possible detecting mental illnesses earlier?.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 6.

      s.108-108.

    • Hatloey, K.; Joa, Inge; Larsen, Tor Ketil; Idsøe, Ella Maria C.; Johannessen, Jan Olav; langeveld, Johannes

      (2012)

      Students' awareness for psychotic symptoms in secondary school; The effects of an early detection program and information campaign.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 6.

      s.72-72.

    • Hustoft, Kjetil; Larsen, Tor Ketil; Auestad, Bjørn Henrik; Joa, Inge; Johannessen, Jan Olav; Ruud, Torleif

      (2012)

      Predictors of involuntary hospitalizations to acute psychiatry.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 6.

      s.112-112.

    • Hansen, Vidje; Johannessen, Jan Olav; Nordentoft, Merete

      (2011)

      Dramatisk reduksjon i levealder for psykiatriske pasienter.

      Dialog

      ISSN 0803-1479.

      s.72-75.

    • Joa, Inge; Weibel, M.; Johannessen, Jan Olav; Hegelstad, Wenche; Langeveld, Hans; Larsen, Tor Ketil

      (2011)

      SUBSTANCE MISUSE AND FIRST EPISODE PSYCHOSIS, A STUDY OF ASSOCIATED RISKS.

      Schizophrenia Bulletin

      ISSN 0586-7614.

      Volum 37.

      s.4-4.

    • McGlashan, Thomas H.; Evensen, Julie Horgen; Haahr, J.; Hegelstad, Wenche; Joa, Inge; Johannessen, Jan Olav; Langeveld, Hans; Larsen, T; Melle, Ingrid; Ilner, Stein E. Opjordsmoen; Rossberg, J.; Rund, Bjørn Rishovd; Simonsen, E.; Sundet, Kjetil Søren; Vaglum, Per Jørgen Wiggen; Friis, Svein

      (2011)

      EARLY DETECTION AND INTERVENTION (EDI) IN FIRST EPISODE PSYCHOSIS: CAN IT IN CREASE THE CHANCE FOR FULL RECOVERY? TIPS 10 YEAR FINDINGS.

      Schizophrenia Bulletin

      ISSN 0586-7614.

      Volum 37.

      s.273-274.

    • Tandberg, Marte; Ueland, Toril; Sundet, Kjetil Søren; Melle, Ingrid; Røssberg, Jan Ivar; Joa, Inge; Larsen, Tor Ketil; Haahr, Ulrik; Johannessen, Jan Olav; Ilner, Stein E. Opjordsmoen; Rund, Bjørn Rishovd; Simonsen, E.; Vaglum, Per Jørgen Wiggen; Friis, Svein; McGlashan, Thomas H.

      (2011)

      NEUROCOGNITION AND OCCUPATIONAL FUNCTIONING IN PATIENTS WITH FIRST EPISODE PSYCHOSIS: A 2-YEAR FOLLOW-UP STUDY.

      Schizophrenia Bulletin

      ISSN 0586-7614.

      Volum 37.

      s.254-254.

    • Melle, Ingrid; Evensen, Julie Horgen; Haahr, U.; Hegelstad, Wenche; Joa, Inge; Johannessen, Jan Olav; Langeveld, Hans; Larsen, Tor Ketil; Ilner, Stein E. Opjordsmoen; Røssberg, Jan Ivar; Rund, Bjørn Rishovd; Simonsen, E.; Sundet, Kjetil Søren; Vaglum, Per Jørgen Wiggen; Friis, Svein; McGlashan, Thomas

      (2011)

      Quality of life and recovery in psychotic disorders - 10 year follow-up of the tips study.

      Schizophrenia Bulletin

      ISSN 0586-7614.

      Volum 37.

      s.274-274.

    • McGorry, P.; Johannessen, Jan Olav; Lewis, S.; Birchwood, M.; Malla, A.; Nordentoft, M.; Addington, J.; Yung, A.

      (2010)

      Early intervention in psychosis: keeping faith with evidence-based health care.

      Psychological Medicine

      ISSN 0033-2917.

      Volum 40.

      Hefte 3.

      s.399-404.

      DOI: 10.1017/S0033291709991346

    • Johannessen, Jan Olav; Joa, Inge; Friis, Svein; Haahr, Ulrik; Larsen, Tor Ketil; Melle, Ingrid; Ilner, Stein E. Opjordsmoen; Rund, Bjørn Rishovd; Simonsen, Erik; Vaglum, Per Jørgen Wiggen; McGlashan, Thomas

      (2010)

      First-episode psychosis patients recruited into treatment via early detection teams versus ordinary pathways: course, outcfome and health service use during 5 years follow-up.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      DOI: 10.1111/j.1751-7893.201000201

    • Larsen, TK; Melle, Ingrid; Haahr, Ulrik; Johannessen, Jan Olav; Opjordsmoen, Stein; Rund, Bjørn Rishovd; Simonsen, E; Vaglum, Per Jørgen Wiggen; Friis, Svein; McGlashan, Thomas H.

      (2008)

      Early detection of psychosis; the effect on five year outcome.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 2.

      s.A38-A38.

    • Fjell, A; Thorsen, GRB; Friis, Svein; Johannessen, JO; Larsen, Tor Kjetil; Lie, K; Lyse, HG; Melle, Ingrid; Simonsen, E; Smeby, NA; Oxnevad, AL; McFarlane, WR; Vaglum, Per Jørgen Wiggen; McGlashan, T

      (2007)

      Multifamily group treatment in a program for patients with first-episode psychosis: Experiences from the TIPS project.

      Psychiatric Services

      ISSN 1075-2730.

      Volum 58.

      s.171-173.

    • Larsen, T; Johannessen, JO; Haahr, U; Joa, I; Melle, Ingrid; Rishovd-Rund, B; Simonsen, E; Ilner, Opjordsmoen Stein E.; Vaglum, Per Jørgen Wiggen; McGlashan, TH; Friis, Svein

      (2006)

      The effect of changing dup in a single catchment area.

      Schizophrenia Research

      ISSN 0920-9964.

      Volum 81.

      s.7-8.

    • Rund, Bjørn Rishovd; Melle, I; Friis, S; Haahr, U; Johannessen, JO; Larsen, TK; Midboe, LJ; Opjordsmoen, S; Vaglum, Per Jørgen Wiggen; Vaglum, P; McGlashan, TH

      (2005)

      What predicts the course of neurocognitive functioning in first-episode psychosis?.

      Schizophrenia Bulletin

      ISSN 0586-7614.

      Volum 31.

    • Melle, I; Friis, S; Haahr, U; Johannessen, JO; Larsen, TK; Opjordsmoen, S; Rund, Bjørn Rishovd; Vaglum, Per Jørgen Wiggen; McGlashan, T

      (2005)

      The development of quality of life in first episode psychosis.

      Schizophrenia Bulletin

      ISSN 0586-7614.

      Volum 31.

    • Larsen, Tor Kjetil; Vaglum, Per Jørgen Wiggen; Friis, Svein; Haahr, U; Johannessen, JO; Melle, Ingrid; Opjordsmoen, S; Rishovd-Rund, B; Simonsen, E

      (2004)

      Drug abuse in first episode non-affective psychosis.

      Schizophrenia Research

      ISSN 0920-9964.

      Volum 67.

      s.218-218.

    • Haagmans, R.; Pettersen, B.R.; Johannessen, Jan Olav; Hackett, Bruce; Farrelly, B.; Gidskehaug, A.; Aksnes, Kaare; Tsikalas, Filippos; Isaksson, Elisabeth; Ofstad, Arve; Plag, H.P.; Solheim, D.

      (2001)

      Geophysical and geodetic level 2 and 3 activities in Norway.

    • Johannessen, Jan Olav; Larsen, Tor Kjetil; Horneland, Marthe; Mardal, Sigurd; Thorsen, G. Bloch; Vaglum, Per; McGlashan, Thomas H.

      (1999)

      Strategies for reducing duration of untreated psychosis.

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