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Publications
  • Vitenskapelige publikasjoner
    • 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

    • Israel, Pravin; Langeveld, Johannes Hendrik

      (2021)

      Psychometric properties of the Inventory of Interpersonal Problems (IIP-C) used with a clinical sample of adolescents: a preliminary study.

      Scandinavian Journal of Child and Adolescent Psychiatry and Psychology

      ISSN 2245-8875.

      Volum 9.

      s.87-95.

      DOI: 10.21307/sjcapp-2021-010

    • 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

    • Haavik, Linn; Joa, Inge; Hatløy, Kristin; Stain, Helen J.; Langeveld, Johannes H.

      (2019)

      Help seeking for mental health problems in an adolescent population: the effect of gender.

      Journal of Mental Health

      ISSN 0963-8237.

      Volum 28.

      Hefte 5.

      s.467-474.

      DOI: 10.1080/09638237.2017.1340630

    • 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

    • 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

    • 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

    • 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

    • 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

    • 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

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

      (2016)

      Psykoser. I: Psykisk helse i skolen.

      Universitetsforlaget

      ISBN 9788215026015.

      s.237-256.

    • 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

    • 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

    • 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

    • 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

    • 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

    • 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

    • 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

    • 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

    • 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

    • 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

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

      (2014)

      Variation in duration of untreated psychosis in an 18-year perspective.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 8.

      Hefte 4.

      s.323-331.

      DOI: 10.1111/eip.12057

    • 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.

      s.1491-1498.

      DOI: 10.1093/schbul/sbt166

    • 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

    • 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

      (2013)

      Ten year neurocognitive trajectories in first-episode psychosis.

      Frontiers in Human Neuroscience

      ISSN 1662-5161.

      Volum 7.

      DOI: 10.3389/fnhum.2013.00643

    • 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, Tom; Friis, Svein

      (2013)

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

      Schizophrenia Research

      ISSN 0920-9964.

      Volum 149.

      Hefte 1-3.

      s.63-69.

      DOI: 10.1016/j.schres.2013.06.016

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

      (2013)

      Early detection, early symptom progression and symptomatic remission after ten years in a first episode of psychosis study.

      Schizophrenia Research

      ISSN 0920-9964.

      Volum 143.

      Hefte 2-3.

      s.337-343.

      DOI: 10.1016/j.schres.2012.10.027

    • Langeveld, Johannes H.; Andreassen, Ole Andreas; Auestad, Bjørn Henrik; Færden, Ann; Hauge, Lars Johan; Joa, Inge; Johannessen, Jan Olav; Melle, Ingrid; Rund, Bjørn Rishovd; Røssberg, Jan Ivar; Simonsen, Erik; Vaglum, Per Jørgen Wiggen; Larsen, Tor Ketil

      (2013)

      Is there an optimal factor structure of the Positive and Negative Syndrome Scale in patients with first-episode psychosis?.

      Scandinavian Journal of Psychology

      ISSN 0036-5564.

      Volum 54.

      Hefte 2.

      s.160-165.

      DOI: 10.1111/sjop.12017

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

      (2012)

      A Comparison of Adolescent and Adult Onset First-Episode Non Affective Psychosis: 2-year Follow-up:.

      European Archives of Psychiatry and Clinical Neuroscience

      ISSN 0940-1334.

      Volum 262.

      s.599-605.

      DOI: 10.1007/s00406-012-0308-9

    • Langeveld, Hans; Gundersen, Knut; Svartdal, Frode

      (2012)

      Social Competence as a Mediating Factor in Reduction of Behavioral Problems.

      Scandinavian Journal of Educational Research

      ISSN 0031-3831.

      Volum 56.

      Hefte 4.

      s.381-399.

      DOI: 10.1080/00313831.2011.594614

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

      (2012)

      Long-Term Follow-Up of the TIPS Early Detection in Psychosis Study: Effects on 10-Year Outcome.

      American Journal of Psychiatry

      ISSN 0002-953X.

      Volum 169.

      Hefte 4.

      s.374-380.

      DOI: 10.1176/appi.ajp.2011.11030459

    • Stain, Helen J.; Hodne, Sigrun; Joa, Inge; Hegelstad, Wenche; Douglas, Katie M.; Langeveld, Johannes H.; Gisselgård, Jens; Johannessen, Jan Olav; Larsen, Tor Ketil

      (2012)

      The relationship of verbal learning and verbal fluency with written story production: Implications for social functioning in first episode psychosis.

      Schizophrenia Research

      ISSN 0920-9964.

      Volum 138.

      Hefte 2-3.

      s.212-217.

      DOI: 10.1016/j.schres.2012.04.002

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

      (2011)

      Contrasting monosymptomatic patients with hallucinations and delusions in first-episode psychosis patients: a five-year longitudinal follow-up study.

      Psychopathology

      ISSN 0254-4962.

      Volum 44.

      Hefte 2.

      s.90-97.

      DOI: 10.1159/000319789

    • Langeveld, Hans; Joa, Inge; Larsen, Tor Ketil; Rennan, Jon Anders; Idsøe, Ella Maria Cosmovici; Johannessen, Jan Olav

      (2011)

      Teachers' awareness for psychotic symptoms in secondary school: the effects of an early detection programme and information campaign.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 5.

      Hefte 2.

      s.115-121.

      DOI: 10.1111/j.1751-7893.2010.00248.x

    • Røssberg, Jan Ivar; Johannessen, Jan Olav; Klungsøyr, Ole; Ilner, Stein E. Opjordsmoen; Evensen, Julie Horgen; Fjell, Anders Martin; Haahr, U.; Joa, Inge; Langeveld, Johannes Hendrik; Larsen, Tor Ketil; Melle, Ingrid; Rund, Bjørn Rishovd; Simonsen, E; Hegelstad, Wenche; Vaglum, Per Jørgen Wiggen; Friis, Svein; McGlashan, Thomas

      (2010)

      Are multi family groups appropriate for patients with first episode psychosis? A 5-year naturalistic follow-up study.

      Acta Psychiatrica Scandinavica

      ISSN 0001-690X.

      Volum 122.

      Hefte 5.

      s.384-394.

      DOI: 10.1111/j.1600-0447.2010.01571.x

    • Langeveld, Johannes Hendrik; Israel, Pravin; Thomsen, Per Hove

      (2010)

      Parental relations and referral of adolescents to Norwegian mental health clinics.

      Nordic Journal of Psychiatry

      ISSN 0803-9488.

      Volum 64.

      Hefte 5.

      s.327-333.

      DOI: 10.3109/08039481003675068

    • Joa, Inge; Johannessen, Jan Olav; Langeveld, H; Langeveld, Johannes Hendrik; Friis, Svein; Melle, Ingrid; Simonsen, Erik; Opjordsmoen, Stein; Simonsen, Erik; Vaglum, Per; McGlashan, Thomas H; Larsen, Tor Ketil

      (2009)

      Baseline profiles of adolescent vs. adult-onset first-episode psychosis in an early detection program.

      Acta Psychiatrica Scandinavica

      ISSN 0001-690X.

      Volum 119.

      Hefte 6.

      s.494-500.

      DOI: 10.1111/j.1600-0447.2008.01338.x

    • Larsen, Tor Ketil; Joa, Inge; Langeveld, Johannes Hendrik; Johannessen, Jan Olav

      (2009)

      Optimizing health-care systems to promote early detection of psychosis.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 3.

      s.S13-S16.

      DOI: 10.1111/j.1751-7893.2009.00125.x

    • Israel, Pravin; Thomsen, Per Hove; Langeveld, Johannes Hendrik; Stormark, Kjell Morten

      (2007)

      Child factors associated with parent involvement in usual clinical care of children and adolescents: A national register study.

      Nordic Journal of Psychiatry

      ISSN 0803-9488.

      Volum 61.

      Hefte 3.

      s.173-181.

      DOI: 10.1080/08039480701352363

    • Israel, Pravin; Thomsen, Per H.; Langeveld, Johannes Hendrik; Stormark, Kjell Morten

      (2007)

      Parent- youth Discrepancy in the Assessment and Treatment of Youth Referred to Specialty Mental Health Clinics: Consequences to Parent Involvement.

      European Child and Adolescent Psychiatry

      ISSN 1018-8827.

      DOI: 10.1007/s00787-006-0583-y

    • Israel, Pravin; Thomsen, Per Hove; Langeveld, Johannes Hendrik; Stormark, Kjell Morten

      (2007)

      Parent-youth discrepancy in the assessment and treatment of youth in usual clinical care setting: consequences to parent involvement.

      European Child and Adolescent Psychiatry

      ISSN 1018-8827.

      Volum 16.

      Hefte 2.

      s.138-148.

      DOI: 10.1007/s00787-006-0583-y

    • Israel, Pravin; Thomsen, Per H.; Langeveld, Johannes Hendrik; Stormark, Kjell Morten

      (2007)

      Child factors associated with parent involvement in usual clinical care of children and adolescents: A national register study.

      Nordic Journal of Psychiatry

      ISSN 0803-9488.

      Volum 61.

      s.173-181.

      DOI: 10.1080/08039480701352363

    • Langeveld, Johannes; Gundersen, Knut Kornelius; Svartdal, Frode

      (2007)

      The role of cognitive distortions on the effect of Aggressive Replacement Training (ART) on adolescents; mediator or moderator?. I: Proceedings of the 5th. European Congress on Violence in Clinical Psychiatry.

    • Israel, Pravin; Thomsen, Per Hove; Langeveld, Johannes Hendrik; Stormark, Kjell Morten

      (2004)

      Parental engagement in psychotherapy with adolescents: A preliminary study.

      Nordic Journal of Psychiatry

      ISSN 0803-9488.

      Volum 58.

      s.133-138.

      DOI: 10.1080/08039480410005512

    • Langeveld, Johannes Hendrik

      (2004)

      Blir psykiske lidelser i fengsel fanget opp av helsetjenesten?.

      Tidsskrift for Den norske legeforening

      ISSN 0029-2001.

      Volum 124.

      Hefte 16.

      s.2094-2097.

    • Israel, Pravin; Thomsen, Per Hove; Langeveld, Johannes Hendrik; Stormark, Kjell Morten

      (2004)

      Parental engagement in psychotherapy with adolescents: A preliminary study.

      Nordic Journal of Psychiatry

      ISSN 0803-9488.

      Volum 58.

      s.133-138.

  • Bøker og kapitler
    • Sandve, Bodil; Skålvik, Andrea Bjerke; Langeveld, Johannes Hendrik; Larsen, Tor K

      (2009)

      Selvforstyrrelse som kjernemarkør for pre-psykotisk fase. Klarer SIPS (Strukturert Intervju for ProdromalSyndromer) å fange opp selvforstyrrelse?.

      Universitetet i Bergen

    • Hetland, Jens; Olsen, Cecilie Sunde; Langeveld, Johannes Hendrik

      (2009)

      Prevalens av emosjonelt ustabil personlighetsforstyrrelse i relasjon til behandleres diagnostiseringspraksis og holdninger - en undersøkelse ved poliklinikker innen psykiatrisk divisjon ved et større helseforetak i Norge.

      Universitetet i Bergen

    • Fandrem, Cathrine Hatleskog; Langeveld, Johannes Hendrik

      (2009)

      PTSD hos mødre utsatt for intim partnervold og konsekvenser for omsorgsevne: en litteraturgjennomgang.

    • Kvål, Monica Vaaland; Langeveld, Johannes Hendrik

      (2008)

      Rehabilitering, straff og psykisk helse i fengsler - i et kvinneperspektiv.

      Universitetet i Bergen

    • Røv, Karin; Langeveld, Johannes Hendrik

      (2004)

      Er Psychopathy Checklist Youth-version egnet for vurdering av farlighetsgrad hos barn og unge i Norge?.

    • jellum, Bente; Sulejewski, Simen Hiort; Langeveld, Johannes Hendrik

      (2003)

      Er Inventory of Interpersonal Problems - Circumplex et egnet instrument for ungdom i alderen 14-18 år?.

    • Langeveld, Johannes Hendrik; Passchier, Jan; Koot, Hans M

      (1998)

      Quality of Life in Adolescents with Migraine and other Headaches.

      ISBN 90-9012007-6.

  • Formidling
    • 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.

    • Hegelstad, Wenche; Larsen, Tor Ketil; Evensen, Julie Horgen; Friis, Svein; Haahr, Ulrick; Joa, Inge; Johannesen, Jan O.; Langeveld, Johannes H.; Melle, Ingrid; Opjordsmoen, Stein; Rossberg, Jan Ivar; McGlashan, Thomas

      (2012)

      Long-term follow-up of the TIPS early detection in psychosis study: effects on 10-year outcome.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 6.

      s.15-15.

    • 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.

    • 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

    • Friis, Svein; Evensen, Julie Horgen; Haahr, Ulrik; Hegelstad, Wenche; Joa, Inge; Johannessen, O; Langeveld, Hans; Larsen, TK; Melle, Ingrid; Opjordsmoen, S; Rossberg, Jan Ivar; Rund, Bjørn Rishovd; Simonsen, E; Sundet, Kjetil Søren; Vaglum, Per Jørgen Wiggen; McGlashan, Thomas

      (2011)

      Early Detection and Intervention(EDI) in first episode psychosis: Can it reduce the risk for poor outcome? Tips 10 years findings.

      Schizophrenia Bulletin

      ISSN 0586-7614.

      Volum 37.

      s.98-98.

    • 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.

    • 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.

    • 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.

    • Langeveld, Johannes; Gundersen, Knut Kornelius

      (2009)

      Presentasjon av forskning på ART i Norge.

    • Grini, Irene; Heitmann, Lena; Harestad, S; ten Velden, WH; Langeveld, Johannes

      (2008)

      Job-prescript: vocational rehabilitation for people with severe mental illness in south-west Norway.

      Early Intervention in Psychiatry

      ISSN 1751-7885.

      Volum 2.

      s.A104-A104.

    • Langeveld, Johannes Hendrik

      (2007)

      The role of cognitive distortions on the effect of Aggressive Replacement Training (ART) on adolescents; mediator or moderator? Preliminary findings.

    • Langeveld, Johannes Hendrik

      (2007)

      Forskning på ambulant virksomhet i Barne og ungdomspsykiatrien.

    • Langeveld, Johannes; Gundersen, Knut Kornelius; Svartdal, Frode

      (2007)

      The role of cognitive distortions on the effect of Aggressive Replacement Training (ART) on adolescents; mediator or moderator? Preliminary findings.

    • Israel, Pravin; Langeveld, Johannes Hendrik

      (2007)

      Interpersonal Problems of Adolescents: Is IIP a Suitable Instrument to Assess Their Interpersonal Problems?.

    • Langeveld, Johannes Hendrik

      (2006)

      Risk prediction and needs assessment among juvenlie delinquents in Norway.

    • Langeveld, Johannes Hendrik

      (2005)

      Prevalens og faktisk identifiseringav psykisk lidelse blant innsatte i Stavanger fengsel.

    • Israel, Pravin; Thomsen, Per H.; Langeveld, Johannes Hendrik; Stormark, Kjell Morten

      (2002)

      Parental Engagement in Psychotherapy with Adolescents: A Preliminary Study.

    • Langeveld, Johannes Hendrik

      (1993)

      Development of a Quality of Life Instrument for Young Patients with Migraine.

      Cephalalgia

      ISSN 0333-1024.

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