Jan Olav Johannessen
Timelønnet professor
Timelønnet professor
Gohar, Sherif Mostafa Mohamed Ahmed; Hegelstad, Wenche; Auestad, Bjørn Henrik; Haahr, Ulrik Helt; Joa, Inge; Johannessen, Jan Olav; Larsen, Tor Kjetil; Ilner, Stein E. Opjordsmoen; Rund, Bjørn Rishovd; Røssberg, Jan Ivar; Simonsen, Erik; Friis, Svein; Melle, Ingrid
(2023)
Association between early suicidal trajectories in first-episode psychosis and 10-year follow-up: TIPS registry-linked study.The Lancet Psychiatry.
ISSN 2215-0374.
Volum 10.
Hefte 7.
s.528-536.
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.
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. Associations between symptom and neurocognitive dimensions in clinical high risk for psychosis.Schizophrenia Research: Cognition.
ISSN 2215-0013.
Volum 29.
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. Psychiatric patients’ attitudes towards being hospitalized: a national multicentre study in Norway.BMC Psychiatry.
ISSN 1471-244X.
Volum 22.
s.1-8.
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. 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
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. Reduced Expression of Emotion: A Red Flag Signalling Conversion to Psychosis in Clinical High Risk for Psychosis (CHR-P) Populations.Psychiatry.
ISSN 0033-2747.
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. Childhood trauma, antipsychotic medication, and symptom remission in first-episode psychosis.Psychological Medicine.
ISSN 0033-2917.
s.1-10.
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. Cognitive predictors of longitudinal positive symptom course in clinical high risk for psychosis.Schizophrenia Research: Cognition.
ISSN 2215-0013.
Volum 26.
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.
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. The Effect of Intensive Implementation Support on Fidelity for Four Evidence‑Based Psychosis Treatments: A Cluster Randomized Trial. 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.
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. 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.
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. 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. 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.
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. 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
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. 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.
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. 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.
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. 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.
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.
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. 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
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.
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. “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.
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. Early substance use cessation improves cognition-10 years outcome in first-episode psychosis patients. Early substance use cessation improves cognition-10 years outcome in first-episode psychosis patients.Frontiers in Psychiatry.
ISSN 1664-0640.
Volum 10.
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. 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.
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.
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.
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. Psychotherapy in psychosis: Experiences of fully recovered service users.Frontiers in Psychology.
ISSN 1664-1078.
Volum 9.
s.1-7.
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.
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.
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.
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.
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.
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.
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.
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. 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.
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.
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
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.
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
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.
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.
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
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.
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
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
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.
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. "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.
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
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.
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.
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Variation in duration of untreated psychosis in an 18-year perspective.Early Intervention in Psychiatry.
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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
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Treatment and violent behavior in persons with first episode psychosis during a 10-year prospective follow-up study. Treatment and violent behavior in persons with first episode psychosis during a 10-year prospective follow-up study.Schizophrenia Research.
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Weibell, Melissa Anne E.a; Joa, Inge; Bramness, Jørgen Gustav; Johannessen, Jan Olav; McGorry, Patrick; Hegelstad, Wenche; Larsen, Tor Ketil
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Treated incidence and baseline characteristics of substance induced psychosis in a Norwegian catchment area. Treated incidence and baseline characteristics of substance induced psychosis in a Norwegian catchment area. Treated incidence and baseline characteristics of substance induced psychosis in a Norwegian catchment area.BMC Psychiatry.
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Predictors of involuntary hospitalizations to acute psychiatry.International Journal of Law and Psychiatry.
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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
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Ten year neurocognitive trajectories in first-episode psychosis. Ten year neurocognitive trajectories in first-episode psychosis.Frontiers in Human Neuroscience.
ISSN 1662-5161.
Volum 7.
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
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Is there an optimal factor structure of the Positive and Negative Syndrome Scale in patients with first-episode psychosis?.Scandinavian Journal of Psychology.
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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
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Volum 143.
Hefte 2-3.
s.337-343.
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
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Neurocognitive development in first episode psychosis 5 years follow-up: associations between illness severity and cognitive course.Schizophrenia Research.
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Volum 149.
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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
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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.
Haahr, Ulrik; Simonsen, Erik; Røssberg, Jan Ivar; Johannessen, Jan Olav; Larsen, Tor Ketil; Melle, Ingrid; Ilner, Stein E. Opjordsmoen; Rund, Bjørn Rishovd; Vaglum, Per Jørgen Wiggen; Friis, Svein; McGlashan, Thomas
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ISSN 0803-9488.
Volum 66.
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Stain, Helen J.; Hodne, Sigrun; Joa, Inge; Hegelstad, Wenche; Douglas, Katie M.; Langeveld, Johannes H.; Gisselgård, Jens; Johannessen, Jan Olav; Larsen, Tor Ketil
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The relationship of verbal learning and verbal fluency with written story production: Implications for social functioning in first episode psychosis.Schizophrenia Research.
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Fagbokforlaget.
ISBN 978-82-450-1172-2.
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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
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Long-Term Follow-Up of the TIPS Early Detection in Psychosis Study: Effects on 10-Year Outcome.American Journal of Psychiatry.
ISSN 0002-953X.
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Apathy in first episode psychosis patients: A ten year longitudinal follow-up study.Schizophrenia Research.
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Storm, Marianne; Knudsen, Knud; Davidson, Larry; Hausken, Kjell; Johannessen, Jan Olav
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'Service user involvement in practice?: The evaluation of an intervention program for service providers and inpatients in Norwegian Community Mental Health Centers. 'Service user involvement in practice?: The evaluation of an intervention program for service providers and inpatients in Norwegian Community Mental Health Centers.Psychosis.
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Contrasting monosymptomatic patients with hallucinations and delusions in first-episode psychosis patients: a five-year longitudinal follow-up study.Psychopathology.
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Melle, Ingrid; Johannessen, Jan Olav; Friis, Svein; Haahr, Ulrik; Joa, Inge; Larsen, Tor Ketil; Ilner, Stein E. Opjordsmoen; Rund, Bjørn Rishovd; Simonsen, Erik; Vaglum, Per; McGlashan, Thomas H
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A 2-year follow-up of involuntary admission's influence upon adherence and outcome in first-episode psychosis.Acta Psychiatrica Scandinavica.
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First-episode psychosis patients recruited into treatment via early detection teams versus ordinary pathways: course and health service use during 5 years. First-episode psychosis patients recruited into treatment via early detection teams versus ordinary pathways: course and health service use during 5 years.Early Intervention in Psychiatry.
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Are multi family groups appropriate for patients with first episode psychosis? A 5-year naturalistic follow-up study.Acta Psychiatrica Scandinavica.
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Hertervig Akademisk.
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Volum 112.
s.469-473.
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
(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.
Joa, Inge; Johannessen, Jan Olav; Nilsen, Jan-Erik; Willumsen, Anna Elisabeth
(2022)
Om erfaringer med masterutdanningen i relasjonsbehandling, Universitetet i Stavanger. I: Relasjonsboka Relatikonsbogen. Dynamisk relasjonsarbeid - medmenneskelig, sammenhengende og effektiv behandling for mennesker med psykiske lidelser.
Hertervig Akademisk.
ISBN 978-82-8217-246-2.
s.322-334.
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.
Hertervig Akademisk.
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.
Johannessen, Jan Olav; Bjørnestad, Jone Ravndal; Gohar, Sherif Mostafa Mohamed Ahmed; Joa, Inge; Langeveld, Johannes Hendrik; Weibell, Melissa Anne Elin Authen; Hegelstad, Wenche ten Velden
(2023)
Lessons learned over 25 years: TIPS Norway- now that we found DUP what are we going to do with it?.
Biennial Schizophrenia International Research Society conference;
2023-05-11 - 2023-05-15.
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.