Jan Olav Johannessen
Timelønnet professor
Det helsevitenskapelige fakultet
Publikasjoner
- Vitenskapelige publikasjoner
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Bjørnestad, Jone Ravndal; Tjora, Tore; Langeveld, Johannes Hendrik; Joa, Inge; Johannessen, Jan Olav; Friedman‐Yakoobian, Michelle; Hegelstad, Wenche
(2022)
Reduced Expression of Emotion: A Red Flag Signalling Conversion to Psychosis in Clinical High Risk for Psychosis (CHR-P) Populations.Psychiatry.
ISSN 0033-2747.
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Bjønness, Stig Erlend; Grønnestad, Trond Erik; Johannessen, Jan Olav; Storm, Marianne
(2022)
Parents' perspectives on user participation and shared decision‐making in adolescents' inpatient mental healthcare.Health Expectations.
ISSN 1369-6513.
Volum 25.
s.994-1003.
DOI: 10.1111/hex.13443
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Nordin, Håkan; Rørtveit, Kristine; Mathisen, Gro Ellen; Joa, Inge; Johannessen, Jan Olav; Ruud, Torleif; Hartveit, Miriam
(2022)
Frontline leadership for implementing clinical guidelines in Norwegian mental health services: a qualitative study.Journal of Health Organisation and Management.
ISSN 1477-7266.
Volum 36.
Hefte 5.
s.617-632.
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Hustoft, Kjetil; Larsen, Tor Ketil; Brønnick, Kolbjørn Kallesten; Joa, Inge; Johannessen, Jan Olav; Ruud, Torleif
(2022)
Psychiatric patients’ attitudes towards being hospitalized: a national multicentre study in Norway.BMC Psychiatry.
ISSN 1471-244X.
Volum 22.
s.1-8.
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Aase, Ingvild; Langeveld, Johannes Hendrik; Joa, Inge; Johannessen, Jan Olav; Dalen, Ingvild; Hegelstad, Wenche
(2022)
Associations between symptom and neurocognitive dimensions in clinical high risk for psychosis.Schizophrenia Research: Cognition.
ISSN 2215-0013.
Volum 29.
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Johannessen, Jan Olav; Joa, Inge
(2021)
Modern understanding of psychosis: from brain disease to stress disorder. And some other important aspects of psychosis….Psychosis.
ISSN 1752-2439.
Volum 13.
Hefte 4.
s.289-301.
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Ruud, Torleif; Drake, Robert E.; Saltyte Benth, Jurate; Drivenes, Karin; Hartveit, Miriam; Heiervang, Kristin Sverdvik; Høifødt, Tordis Sørensen; Haaland, Vegard Øksendal; Joa, Inge; Johannessen, Jan Olav; Johansen, Karl Johan; Stensrud, Bjørn; Haugom, Espen Woldsengen; Clausen, Hanne Kristin; Biringer, Eva Aaker; Bond, Gary R.
(2021)
The Effect of Intensive Implementation Support on Fidelity for Four Evidence‑Based Psychosis Treatments: A Cluster Randomized Trial.Administration and Policy in Mental Health and Mental Health Services Research.
ISSN 0894-587X.
Volum 48.
s.909-920.
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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.
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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
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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.
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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.
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Aase, Ingvild; Langeveld, Johannes Hendrik; Johannessen, Jan Olav; Joa, Inge; Dalen, Ingvild; Hegelstad, Wenche
(2021)
Cognitive predictors of longitudinal positive symptom course in clinical high risk for psychosis.Schizophrenia Research: Cognition.
ISSN 2215-0013.
Volum 26.
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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
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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.
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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.
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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.
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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
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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.
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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.
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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.
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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.
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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.
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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
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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.
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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.
-
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.
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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.
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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.
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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.
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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.
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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.
-
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.
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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.
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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.
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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.
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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
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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.
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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.
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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.
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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
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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.
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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.
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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
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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.
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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
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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
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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.
-
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.
-
Langeveld, Johannes H.; Hatløy, Kristin; Johannessen, Jan Olav; Joa, Inge
(2016)
Psykoser. I: Psykisk helse i skolen.
Universitetsforlaget.
ISBN 9788215026015.
s.237-256.
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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.
-
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.
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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.
-
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.
-
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
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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.
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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.
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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.
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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
-
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s.143-150.
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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
(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; 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.
-
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.
-
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; 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
-
Bjørnestad, Jone Ravndal; Tjora, Tore; Joa, Inge; Johannessen, Jan Olav; Hegelstad, Wenche ten Velden
(2022)
Early detection and intervention in Clinical High Risk for psychosis and symptom-level predictors of course.
Thematic congress on early intervention in psychiatry across the life span;
2022-06-23 - 2022-06-25.
-
Johannessen, Jan Olav; McGorry, Patrick D.
(2022)
Johan Christoffer Cullberg (6th January 1934–14th June 2022).Early Intervention in Psychiatry.
ISSN 1751-7885.
DOI: 10.1111/eip.13349
-
Johannessen, Jan Olav
(2019)
“Psychosis” is 10 years old. Congratulations and celebrations.Psychosis.
ISSN 1752-2439.
Volum 11.
Hefte 1.
s.1-2.
-
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.
5th International Conference on Youth Mental Health;
2019-10-26 - 2019-10-28.
-
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.
Early Intervention in Mental Health;
2016-10-20 - 2016-10-22.
-
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.
-
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.
3rd International Youth Mental Health Conference (IYMHC);
2015-10-08 - 2015-10-10.
-
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.
-
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.
Foredrag;
2013-08-22 - 2013-08-25.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
Hansen, Vidje; Johannessen, Jan Olav; Nordentoft, Merete
(2011)
Dramatisk reduksjon i levealder for psykiatriske pasienter.
Dialog.
ISSN 0803-1479.
s.72-75.
-
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.
-
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.
-
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.
International GOCE [European Space Agency (ESA), Gravity Field and Steady-State Ocean Circulation Explorer Mission] User Workshop;
2001-01-01 - .
-
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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