Et profilbilde

Professor II
Jan Olav Johannessen { "honorific-suffix": "Professor II", "fn": "Jan Olav Johannessen", "tel": "", "email": "jan.o.johannessen@uis.no" }

Avdeling/enhet Det helsevitenskapelige fakultet
Institutt/senter Det helsevitenskapelige fakultet

Undervisning

Forskningsområder

Utvalgte publikasjoner

Pågående forskning

Arbeidserfaring

Vitenskapelige publikasjoner (fra CRISTin)

  • 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. Helsedirektoratet. 222 s.
  • 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. Helsedirektoratet. 15 s.
  • Johannessen, Jan Olav; Bloch Thorsen, Gerd Ragna (2003). Den gode psykoterapeut. Hertervig forlag. ISBN 82-92023-10-0. 115 s.
  • 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.
  • 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. 2016-10-20 - 2016-10-22.
  • 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. 2015-10-08 - 2015-10-10.
  • Lien, Lars; Johannessen, Jan Olav (2015). Re: Flere og gale diagnoser med kriteriebasert diagnostikk.
  • 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. ISPS; 2013-08-22 - 2013-08-25.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • Hustoft, Kjetil; Larsen, Tor Ketil; Auestad, Bjørn Henrik; Joa, Inge; Johannessen, Jan Olav; Ruud, Torleif (2012). Predictors of involuntary hospitalizations to acute psychiatry.
  • Hustoft, Kjetil; Larsen, Tor Ketil; Auestad, Bjørn Henrik; Joa, Inge; Johannessen, Jan Olav; Ruud, Torleif (2012). Predictors of involuntary hospitalizations to acute psychiatry.
  • 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.
  • 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?.
  • 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.
  • 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.
  • Mihalopoulos, Cathrine; McCrone, Paul; Knapp, Martin; Johannessen, Jan Olav; Malla, Ashok; McGorry, Patrick (2012). The costs of early intervention in psychosis: Restoring the balance.
  • 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.
  • 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.
  • Hansen, Vidje; Johannessen, Jan Olav; Nordentoft, Merete (2011). Dramatisk reduksjon i levealder for psykiatriske pasienter.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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?.
  • 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.
  • Haagmans, R.; Pettersen, B.R.; Johannessen, Jan Olav; Hackett, Bruce; Farrelly, B.; Gidskehaug, A.; Aksnes, Kaare; Tsikalas, Filippos; Isaksson, Elisabeth; Ofstad, Arve; Plag, H.P.; Solheim, D. (2001). Geophysical and geodetic level 2 and 3 activities in Norway.
  • Johannessen, Jan Olav; Larsen, Tor Kjetil; Horneland, Marthe; Mardal, Sigurd; Thorsen, G. Bloch; Vaglum, Per; McGlashan, Thomas H. (1999). Strategies for reducing duration of untreated psychosis.