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Svein Friis

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Norway

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Wenche Ten Velden Hegelstad; Per Vaglum; Bjørn Auestad; Helene Barder; Julie Evensen; Ulrik Haahr; Inge Joa; Jan O Johannessen; Johannes Langeveld; Tor K Larsen; Thomas McGlashan; Ingrid Melle; Stein Opjordsmoen; Jan Ivar Rossberg; Bjørn Rishovd Rund; Erik Simonsen; Svein Friis
Early detection, early symptom progression and symptomatic remission after ten years in a first episode of psychosis study.
H Jónsdóttir; Stein Opjordsmoen; P Andreas Ringen; C Simonsen; Kjetil Sundet; Anja Vaskinn; Astrid B Birkenaes; John A Engh; Svein Friis; Ole A Andreassen
Predictors of medication adherence in patients with schizophrenia and bipolar disorder.
Johannes Langeveld; Bjørn Auestad; Svein Friis; Inge Joa; Jan O Johannessen; Thomas McGlashan; Ingrid Melle; Stein Opjordsmoen; Erik Simonsen; Wenche ten Velden Hegelstad; Per Vaglum; Tor K Larsen
A comparison of adolescent- and adult-onset first-episode, non-affective psychosis: 2-year follow-up.

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2013: Wenche Ten Velden Hegelstad; Per Vaglum; Bjørn Auestad; Helene Barder; Julie Evensen; Ulrik Haahr; Inge Joa; Jan O Johannessen; Johannes Langeveld; Tor K Larsen; Thomas McGlashan; Ingrid Melle; Stein Opjordsmoen; Jan Ivar Rossberg; Bjørn Rishovd Rund; Erik Simonsen; Svein Friis
Early detection, early symptom progression and symptomatic remission after ten years in a first episode of psychosis study.
Schizophrenia research 2013;143(2-3):337-43.
2013: H Jónsdóttir; Stein Opjordsmoen; P Andreas Ringen; C Simonsen; Kjetil Sundet; Anja Vaskinn; Astrid B Birkenaes; John A Engh; Svein Friis; Ole A Andreassen
Predictors of medication adherence in patients with schizophrenia and bipolar disorder.
Acta psychiatrica Scandinavica 2013;127(1):23-33.
2012: Johannes Langeveld; Bjørn Auestad; Svein Friis; Inge Joa; Jan O Johannessen; Thomas McGlashan; Ingrid Melle; Stein Opjordsmoen; Erik Simonsen; Wenche ten Velden Hegelstad; Per Vaglum; Tor K Larsen
A comparison of adolescent- and adult-onset first-episode, non-affective psychosis: 2-year follow-up.
European archives of psychiatry and clinical neuroscience 2012;262(7):599-605.
2012: Svein Friis; Ulrik Haahr; Wenche Ten Velden Hegelstad; Inge Joa; Jan Olav Johannessen; Johannes Langeveld; Tor K Larsen; Ingrid Melle; Stein Opjordsmoen; Jan Ivar Røssberg; Bjørn Rishovd Rund; Erik Simonsen; Kjetil Sundet; Per Vaglum; Helene Barder; Julie Horgen Evensen; Thomas McGlashan
The TIPS study and bias: replies to Dr Amos.
The Australian and New Zealand journal of psychiatry 2012;46(9):905-7.
2012: Julie Evensen; Helene Barder; Ulrik Haahr; Wenche Ten Velden Hegelstad; Inge Joa; Jan Olav Johannessen; Tor K Larsen; Thomas McGlashan; Ingrid Melle; Stein Opjordsmoen; Jan Ivar Røssberg; Bjørn Rishovd Rund; Erik Simonsen; Per Vaglum; Svein Friis
Flat affect and social functioning: a 10 year follow-up study of first episode psychosis patients.
Schizophrenia research 2012;139(1-3):99-104.
2012: Wenche Ten Velden Hegelstad; Inge Joa; Jan O Johannesen; Johannes Langeveld; Tor K Larsen; Bjørn Auestad; Julie Evensen; Svein Friis; Ulrik Haahr; Ingrid Melle; Stein Opjordsmoen; Jan Ivar Rossberg; Bjørn Rishovd Rund; Erik Simonsen; Kjetil Sundet; Per Vaglum; Thomas McGlashan
Long-term follow-up of the TIPS early detection in psychosis study: effects on 10-year outcome.
The American journal of psychiatry 2012;169(4):374-80.
2012: Julie Evensen; Svein Friis; Ulrik Haahr; Wenche ten Velden Hegelstad; Inge Joa; Jan Olav Johannessen; T K Larsen; Ingrid Melle; Stein Opjordsmoen; Jan Ivar Røssberg; Bjørn Rishovd Rund; Erik Simonsen; Kjetil Sundet; Per Vaglum; Helene Barder; Thomas McGlashan
Apathy in first episode psychosis patients: a ten year longitudinal follow-up study.
Schizophrenia research 2012;136(1-3):19-24.
2012: Alice Kvåle; Stein Opjordsmoen; Berit Heir Bunkan; Svein Friis
Development of the movement domain in the global body examination.
Physiotherapy theory and practice 2012;28(1):41-9.
2011: Marte Tandberg; Torill Ueland; Per Vaglum; Svein Friis; Ulrik Haahr; Inge Joa; Jan Olav Johannessen; Tor Ketil Larsen; Ingrid Melle; Stein Opjordsmoen; Jan Ivar Røssberg; Bjørn Rishovd Rund; Erik Simonsen; Kjetil Sundet; Thomas McGlashan
Neurocognition and occupational functioning in patients with first-episode psychosis: a 2-year follow-up study.
Psychiatry research 2011;188(3):334-42.
2011: T K Larsen; Ingrid Melle; B Auestad; Ulrik Haahr; Inge Joa; Jan Olav Johannessen; Stein Opjordsmoen; Bjørn Rishovd Rund; J I Rossberg; Erik Simonsen; Per Vaglum; Svein Friis; Thomas H McGlashan
Early detection of psychosis: positive effects on 5-year outcome.
Psychological medicine 2011;41(7):1461-9.
2011: John A Engh; Kjetil Sundet; Carmen Simonsen; Anja Vaskinn; Trine V Lagerberg; Stein Opjordsmoen; Svein Friis; Ole A Andreassen
Verbal learning contributes to cognitive insight in schizophrenia independently of affective and psychotic symptoms.
Progress in neuro-psychopharmacology & biological psychiatry 2011;35(4):1059-63.
2011: Jan Olav Johannessen; Inge Joa; Bjørn Auestad; Ulrik Haahr; Tor K Larsen; Ingrid Melle; Stein Opjordsmoen; Per Simonsen; Bjørn R Rund; Erik Simonsen; Per Vaglum; Svein Friis; Thomas McGlashan
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 2011;5(1):70-5.
2011: Jan F Evensen; Jan Ivar Røssberg; Ulrik Haahr; Wenche ten Velden Hegelstad; Inge Joa; Jan Olav Johannessen; Hans Langeveld; T K Larsen; Ingrid Melle; Stein Opjordsmoen; Bjørn Rishovd Rund; Erik Simonsen; Kjetil Sundet; Per Vaglum; Svein Friis; Thomas McGlashan
Contrasting monosymptomatic patients with hallucinations and delusions in first-episode psychosis patients: a five-year longitudinal follow-up study.
Psychopathology 2011;44(2):90-7.
2011: Carmen Simonsen; Kjetil Sundet; Anja Vaskinn; Astrid B Birkenaes; John A Engh; Ann Faerden; Halldóra Jónsdóttir; Petter Andreas Ringen; Stein Opjordsmoen; Ingrid Melle; Svein Friis; Ole A Andreassen
Neurocognitive dysfunction in bipolar and schizophrenia spectrum disorders depends on history of psychosis rather than diagnostic group.
Schizophrenia bulletin 2011;37(1):73-83.
2010: Ingrid Melle; Jan Ivar Røssberg; Inge Joa; Svein Friis; Ulrik Haahr; Jan Olav Johannessen; Tor Ketil Larsen; Stein Opjordsmoen; Bjørn Rishovd Rund; Erik Simonsen; Per Vaglum; Thomas McGlashan
The development of subjective quality of life over the first 2 years in first-episode psychosis.
The Journal of nervous and mental disease 2010;198(12):864-9.
2010: Jan Ivar Rossberg; J O Johannessen; O Klungsoyr; S Opjordsmoen; Jan F Evensen; A Fjell; U Haahr; I Joa; J Langeveld; T K Larsen; Ingrid Melle; B R Rund; E Simonsen; W ten Velden; P Vaglum; Svein Friis; T McGlashan
Are multi family groups appropriate for patients with first episode psychosis? A 5-year naturalistic follow-up study.
Acta psychiatrica Scandinavica 2010;122(5):384-94.
2010: Carmen Simonsen; Kjetil Sundet; Anja Vaskinn; Torill Ueland; Kristin Lie Romm; Tone Hellvin; Ingrid Melle; Svein Friis; Ole A Andreassen
Psychosocial function in schizophrenia and bipolar disorder: Relationship to neurocognition and clinical symptoms.
Journal of the International Neuropsychological Society : JINS 2010;16(5):771-83.
2010: P Andreas Ringen; Anja Vaskinn; Kjetil Sundet; John A Engh; H Jónsdóttir; C Simonsen; Svein Friis; Stein Opjordsmoen; Ingrid Melle; Ole A Andreassen
Opposite relationships between cannabis use and neurocognitive functioning in bipolar disorder and schizophrenia.
Psychological medicine 2010;40(8):1337-47.
2010: John A Engh; Svein Friis; Astrid B Birkenaes; Halldóra Jónsdóttir; Ole Klungsøyr; P Andreas Ringen; Carmen Simonsen; Anja Vaskinn; Stein Opjordsmoen; Ole A Andreassen
Delusions are associated with poor cognitive insight in schizophrenia.
Schizophrenia bulletin 2010;36(4):830-5.
2010: Jan Ivar Rossberg; Sigmund Karterud; Geir Pedersen; Svein Friis
Psychiatric symptoms and countertransference feelings: an empirical investigation.
Psychiatry research 2010;178(1):191-5.
2010: Halldóra Jónsdóttir; Stein Opjordsmoen; Astrid B Birkenaes; John A Engh; Petter Andreas Ringen; Anja Vaskinn; Trond Aamo; Svein Friis; Ole A Andreassen
Medication adherence in outpatients with severe mental disorders: relation between self-reports and serum level.
Journal of clinical psychopharmacology 2010;30(2):169-75.
2010: Ann Faerden; Arnstein Finset; Svein Friis; Ingrid Agartz; Elizabeth Ann Barrett; Ragnar Nesvåg; Ole A Andreassen; Stephen R Marder; Ingrid Melle
Apathy in first episode psychosis patients: one year follow up.
Schizophrenia research 2010;116(1):20-6.
2009: Ann Faerden; Svein Friis; Ingrid Agartz; Elizabeth Ann Barrett; Ragnar Nesvåg; Arnstein Finset; Ingrid Melle
Apathy and functioning in first-episode psychosis.
Psychiatric services (Washington, D.C.) 2009;60(11):1495-503.
2009: Astrid B Birkenaes; Kåre I Birkeland; Svein Friis; Stein Opjordsmoen; Ole A Andreassen
Hormonal markers of metabolic dysregulation in patients with severe mental disorders after olanzapine treatment under real-life conditions.
Journal of clinical psychopharmacology 2009;29(2):109-16.
2009: Anja Vaskinn; Kjetil Sundet; Christina M Hultman; Svein Friis; Ole A Andreassen
Social problem-solving in high-functioning schizophrenia: specific deficits in sending skills.
Psychiatry research 2009;165(3):215-23.
2009: Stein Opjordsmoen; Ingrid Melle; Svein Friis; Ulrik Haahr; Jan O Johannessen; Tor K Larsen; Bjørn Rishovd Rund; Erik Simonsen; Per Vaglum; Thomas H McGlashan
Stability of medication in early psychosis: a comparison between second-generation and low-dose first-generation antipsychotics.
Early intervention in psychiatry 2009;3(1):58-65.
2009: Anja Vaskinn; Astrid B Birkenaes; John A Engh; Svein Friis; Halldora Jónsdóttir; Stein Opjordsmoen; P Andreas Ringen; Carmen Simonsen; Kjetil Sundet; Torill Ueland; Ole A Andreassen
Using the Wisconsin Card Sorting Test to assess learning potential in normal IQ schizophrenia: does it have potential?
Nordic journal of psychiatry 2009;63(5):405-11.
2009: Ann Faerden; Anja Vaskinn; Arnstein Finset; Ingrid Agartz; Elizabeth Ann Barrett; Svein Friis; Carmen Simonsen; Ole A Andreassen; Ingrid Melle
Apathy is associated with executive functioning in first episode psychosis.
BMC psychiatry 2009;9():1.
2009: H Jónsdóttir; Svein Friis; Robert Horne; K I Pettersen; A Reikvam; Ole A Andreassen
Beliefs about medications: measurement and relationship to adherence in patients with severe mental disorders.
Acta psychiatrica Scandinavica 2009;119(1):78-84.
2008: P Andreas Ringen; Ingrid Melle; Astrid B Birkenaes; John A Engh; Arne E Faerden; Anja Vaskinn; Svein Friis; Stein Opjordsmoen; Ole A Andreassen
The level of illicit drug use is related to symptoms and premorbid functioning in severe mental illness.
Acta psychiatrica Scandinavica 2008;118(4):297-304.
2008: Christine B Bringager; Katrine Gauer; Harald Arnesen; Svein Friis; Toril Dammen
Nonfearful panic disorder in chest-pain patients: status after nine-year follow-up.
Psychosomatics 2008;49(5):426-37.
2008: Jan I Rossberg; Sigmund Karterud; Geir Pedersen; Svein Friis
Specific personality traits evoke different countertransference reactions: an empirical study.
The Journal of nervous and mental disease 2008;196(9):702-8.
2008: P Andreas Ringen; T V Lagerberg; Astrid B Birkenaes; J Engn; Arne E Faerden; H Jónsdottir; Ragnar Nesvåg; Svein Friis; S Opjordsmoen; F Larsen; Ingrid Melle; O A Andreassen
Differences in prevalence and patterns of substance use in schizophrenia and bipolar disorder.
Psychological medicine 2008;38(9):1241-9.
2008: Ingrid Melle; Tor K Larsen; Ulrik Haahr; Svein Friis; Jan O Johannesen; Stein Opjordsmoen; Bjørn Rishovd Rund; Erik Simonsen; Per Vaglum; Thomas McGlashan
Prevention of negative symptom psychopathologies in first-episode schizophrenia: two-year effects of reducing the duration of untreated psychosis.
Archives of general psychiatry 2008;65(6):634-40.
2008: Inge Joa; Jan Olav Johannessen; Bjørn Auestad; Svein Friis; Thomas McGlashan; Ingrid Melle; Stein Opjordsmoen; Erik Simonsen; Per Vaglum; Tor K Larsen
The key to reducing duration of untreated first psychosis: information campaigns.
Schizophrenia bulletin 2008;34(3):466-72.
2008: Halldóra Jónsdóttir; John A Engh; Svein Friis; Astrid Birkenaes; Petter A Ringen; Anja Vaskinn; Kjetil Sundet; Stein Opjordsmoen; Ole A Andreassen
Measurement of insight in patients with bipolar disorder: are self-rated scales developed for patients with schizophrenia applicable?
The Journal of nervous and mental disease 2008;196(4):333-5.
2008: Anja Vaskinn; Kjetil Sundet; Svein Friis; Torill Ueland; Carmen Simonsen; Astrid B Birkenaes; John A Engh; Stein Opjordsmoen; Ole A Andreassen
Can learning potential in schizophrenia be assessed with the standard CVLT-II? An exploratory study.
Scandinavian journal of psychology 2008;49(2):179-86.
2008: Astrid B Birkenaes; Kåre I Birkeland; John A Engh; Ann Faerden; Halldora Jonsdottir; Petter Andreas Ringen; Svein Friis; Stein Opjordsmoen; Ole A Andreassen
Dyslipidemia independent of body mass in antipsychotic-treated patients under real-life conditions.
Journal of clinical psychopharmacology 2008;28(2):132-7.
2008: Christine B Bringager; Svein Friis; Harald Arnesen; Toril Dammen
Nine-year follow-up of panic disorder in chest pain patients: clinical course and predictors of outcome.
General hospital psychiatry 2008;30(2):138-46.
2008: Anja Vaskinn; Kjetil Sundet; Svein Friis; Carmen Simonsen; Astrid B Birkenaes; Halldora Jónsdóttir; P Andreas Ringen; Ole A Andreassen
Emotion perception and learning potential: mediators between neurocognition and social problem-solving in schizophrenia?
Journal of the International Neuropsychological Society : JINS 2008;14(2):279-88.
2008: Carmen Simonsen; Kjetil Sundet; Anja Vaskinn; Astrid B Birkenaes; John A Engh; Charlotte Fredslund Hansen; Halldóra Jónsdóttir; P Andreas Ringen; Stein Opjordsmoen; Svein Friis; Ole A Andreassen
Neurocognitive profiles in bipolar I and bipolar II disorder: differences in pattern and magnitude of dysfunction.
Bipolar disorders 2008;10(2):245-55.
2008: P Andreas Ringen; Ingrid Melle; Astrid B Birkenaes; John A Engh; Arne E Faerden; H Jónsdóttir; Ragnar Nesvåg; Anja Vaskinn; Svein Friis; F Larsen; Stein Opjordsmoen; Kjetil Sundet; Ole A Andreassen
Illicit drug use in patients with psychotic disorders compared with that in the general population: a cross-sectional study.
Acta psychiatrica Scandinavica 2008;117(2):133-8.
2008: Ann Faerden; Ragnar Nesvåg; Elizabeth Ann Barrett; Ingrid Agartz; Arnstein Finset; Svein Friis; Jan Ivar Rossberg; Ingrid Melle
Assessing apathy: the use of the Apathy Evaluation Scale in first episode psychosis.
European psychiatry : the journal of the Association of European Psychiatrists 2008;23(1):33-9.
2008: Christine Bull Bringager; Harald Arnesen; Svein Friis; Trygve Husebye; Toril Dammen
A long-term follow-up study of chest pain patients: effect of panic disorder on mortality, morbidity, and quality of life.
Cardiology 2008;110(1):8-14.
2007: Tor K Larsen; Ingrid Melle; Svein Friis; Inge Joa; Jan Olav Johannessen; Stein Opjordsmoen; Erik Simonsen; Per Vaglum; Thomas H McGlashan
One-year effect of changing duration of untreated psychosis in a single catchment area.
The British journal of psychiatry. Supplement 2007;51():s128-32.
2007: Inge Joa; Jan Olav Johannessen; Bjørn Auestad; Svein Friis; Stein Opjordsmoen; Erik Simonsen; Per Vaglum; Thomas McGlashan; Tor K Larsen
Effects on referral patterns of reducing intensive informational campaigns about first-episode psychosis.
Early intervention in psychiatry 2007;1(4):340-5.
2007: Anja Vaskinn; Kjetil Sundet; Svein Friis; C Simonsen; Astrid B Birkenaes; John A Engh; H Jónsdóttir; P Andreas Ringen; Stein Opjordsmoen; Ole A Andreassen
The effect of gender on emotion perception in schizophrenia and bipolar disorder.
Acta psychiatrica Scandinavica 2007;116(4):263-70.
2007: Erik Simonsen; Svein Friis; Ulrik Haahr; Jan Olav Johannessen; Tor K Larsen; Ingrid Melle; Stein Opjordsmoen; Bjørn Rishovd Rund; Per Vaglum; Thomas H McGlashan
Clinical epidemiologic first-episode psychosis: 1-year outcome and predictors.
Acta psychiatrica Scandinavica 2007;116(1):54-61.
2007: Astrid B Birkenaes; Stein Opjordsmoen; Cathrine Brunborg; John A Engh; Halldora Jonsdottir; P Andreas Ringen; Carmen Simonsen; Anja Vaskinn; Kåre I Birkeland; Svein Friis; Kjetil Sundet; Ole A Andreassen
The level of cardiovascular risk factors in bipolar disorder equals that of schizophrenia: a comparative study.
The Journal of clinical psychiatry 2007;68(6):917-23.
2007: Jan Ivar Rossberg; Sigmund Karterud; Geir Pedersen; Svein Friis
An empirical study of countertransference reactions toward patients with personality disorders.
Comprehensive psychiatry 2007;48(3):225-30.
2007: Bjørn Rishovd Rund; Ingrid Melle; Svein Friis; Jan Olav Johannessen; Tor K Larsen; Liv Jaeger Midbøe; Stein Opjordsmoen; Erik Simonsen; Per Vaglum; Thomas H McGlashan
The course of neurocognitive functioning in first-episode psychosis and its relation to premorbid adjustment, duration of untreated psychosis, and relapse.
Schizophrenia research 2007;91(1-3):132-40.
2007: Jan O Johannessen; Svein Friis; Inge Joa; Ulrik Haahr; Tor K Larsen; Ingrid Melle; Stein Opjordsmoen; Bjørn Rishovd Rund; Erik Simonsen; Per Vaglum; Thomas McGlashan
First-episode psychosis patients recruited into treatment via early detection teams versus ordinary pathways: course, outcome and health service use during first 2 years.
Early intervention in psychiatry 2007;1(1):40-8.
2007: Anne Fjell; Gerd Ragna Bloch Thorsen; Svein Friis; Jan Olav Johannessen; Tor K Larsen; Kari Lie; Hanne-Grethe Lyse; Ingrid Melle; Erik Simonsen; Nina Aarhus Smeby; Anne Lise Øxnevad; William R McFarlane; Per Vaglum; Thomas H McGlashan
Multifamily group treatment in a program for patients with first-episode psychosis: experiences from the TIPS project.
Psychiatric services (Washington, D.C.) 2007;58(2):171-3.
2007: John A Engh; Svein Friis; Astrid B Birkenaes; Halldóra Jónsdóttir; P Andreas Ringen; Torleif Ruud; Kjetil Sundet; Stein Opjordsmoen; Ole A Andreassen
Measuring cognitive insight in schizophrenia and bipolar disorder: a comparative study.
BMC psychiatry 2007;7():71.
2007: M Knutzen; L Sandvik; Edvard Hauff; S Opjordsmoen; Svein Friis
Association between patients' gender, age and immigrant background and use of restraint--a 2-year retrospective study at a department of emergency psychiatry.
Nordic journal of psychiatry 2007;61(3):201-6.
2006: Tor K Larsen; Ingrid Melle; Bjørn Auestad; Svein Friis; Ulrik Haahr; Jan Olav Johannessen; Stein Opjordsmoen; Bjørn Rishovd Rund; Erik Simonsen; Per Vaglum; Thomas H McGlashan
Substance abuse in first-episode non-affective psychosis.
Schizophrenia research 2006;88(1-3):55-62.
2006: Toril Dammen; Christine Bull Bringager; Harald Arnesen; Oivind Ekeberg; Svein Friis
A 1-year follow-up study of chest-pain patients with and without panic disorder.
General hospital psychiatry 2006;28(6):516-24.
2006: Tor K Larsen; Ingrid Melle; Bjørn Auestad; Svein Friis; Ulrik Haahr; Jan Olav Johannessen; Stein Opjordsmoen; Bjørn Rishovd Rund; Erik Simonsen; Per Vaglum; Thomas H McGlashan
Early detection of first-episode psychosis: the effect on 1-year outcome.
Schizophrenia bulletin 2006;32(4):758-64.
2006: Ingrid Melle; Jan Olav Johannesen; Svein Friis; Ulrik Haahr; Inge Joa; Tor K Larsen; Stein Opjordsmoen; Bjørn Rishovd Rund; Erik Simonsen; Per Vaglum; Thomas H McGlashan
Early detection of the first episode of schizophrenia and suicidal behavior.
The American journal of psychiatry 2006;163(5):800-4.
2006: Astrid B Birkenaes; Anne Johanne Søgaard; John A Engh; Halldora Jonsdottir; P Andreas Ringen; Anja Vaskinn; Svein Friis; Kjetil Sundet; Stein Opjordsmoen; Ole A Andreassen
Sociodemographic characteristics and cardiovascular risk factors in patients with severe mental disorders compared with the general population.
The Journal of clinical psychiatry 2006;67(3):425-33.
2006: Asle Hoffart; Liv Hedley; Kåre Thornes; Sigrid Marie Larsen; Svein Friis
Therapists' emotional reactions to patients as a mediator in cognitive behavioural treatment of panic disorder with agoraphobia.
Cognitive behaviour therapy 2006;35(3):174-82.
2006: Jan I Røssberg; Ingrid Melle; Stein Opjordsmoen; Svein Friis
Patient satisfaction and treatment environment: a 20-year follow-up study from an acute psychiatric ward.
Nordic journal of psychiatry 2006;60(2):176-80.
2005: Ingrid Melle; Ulrik Haahr; Svein Friis; K Hustoft; Jan Olav Johannessen; Tor K Larsen; Stein Opjordsmoen; Bjørn Rishovd Rund; Erik Simonsen; Per Vaglum; Thomas H McGlashan
Reducing the duration of untreated first-episode psychosis -- effects on baseline social functioning and quality of life.
Acta psychiatrica Scandinavica 2005;112(6):469-73.
2005: Ingrid Melle; Svein Friis; Ulrik Haahr; J O Johannesen; Tor K Larsen; Stein Opjordsmoen; J I Roessberg; Bjørn Rishovd Rund; Erik Simonsen; Per Vaglum; Thomas H McGlashan
Measuring quality of life in first-episode psychosis.
European psychiatry : the journal of the Association of European Psychiatrists 2005;20(7):474-83.
2005: Svein Friis; Per Vaglum; Ulrik Haahr; Jan Olav Johannessen; Tor K Larsen; Ingrid Melle; Stein Opjordsmoen; Bjørn Rishovd Rund; Erik Simonsen; Thomas H McGlashan
Effect of an early detection programme on duration of untreated psychosis: part of the Scandinavian TIPS study.
The British journal of psychiatry. Supplement 2005;48():s29-32.
2005: Jan Olav Johannessen; Tor K Larsen; Inge Joa; Ingrid Melle; Svein Friis; Stein Opjordsmoen; Bjørn Rishovd Rund; Erik Simonsen; Per Vaglum; Thomas H McGlashan
Pathways to care for first-episode psychosis in an early detection healthcare sector: part of the Scandinavian TIPS study.
The British journal of psychiatry. Supplement 2005;48():s24-8.
2004: Toril Dammen; Harald Arnesen; Oivind Ekeberg; Svein Friis
Psychological factors, pain attribution and medical morbidity in chest-pain patients with and without coronary artery disease.
General hospital psychiatry 2004;26(6):463-9.
2004: Svein Friis; Ingrid Melle; Tor K Larsen; Ulrik Haahr; Jan Olav Johannessen; Erik Simonsen; Stein Opjordsmoen; Per Vaglum; Thomas H McGlashan
Does duration of untreated psychosis bias study samples of first-episode psychosis?
Acta psychiatrica Scandinavica 2004;110(4):286-91.
2004: Tor K Larsen; Svein Friis; Ulrik Haahr; Jan Olav Johannessen; Ingrid Melle; Stein Opjordsmoen; Bjørn Rishovd Rund; Erik Simonsen; Per Vaglum; Thomas H McGlashan
Premorbid adjustment in first-episode non-affective psychosis: distinct patterns of pre-onset course.
The British journal of psychiatry : the journal of mental science 2004;185():108-15.
2004: Jan Ivar Rossberg; Svein Friis
Patients' and staff's perceptions of the psychiatric ward environment.
Psychiatric services (Washington, D.C.) 2004;55(7):798-803.
2004: Bjørn Rishovd Rund; Ingrid Melle; Svein Friis; Tor K Larsen; Liv Jaeger Midbøe; Stein Opjordsmoen; Erik Simonsen; Per Vaglum; Thomas H McGlashan
Neurocognitive dysfunction in first-episode psychosis: correlates with symptoms, premorbid adjustment, and duration of untreated psychosis.
The American journal of psychiatry 2004;161(3):466-72.
2004: Ingrid Melle; Tor K Larsen; Ulrik Haahr; Svein Friis; Jan Olav Johannessen; Stein Opjordsmoen; Erik Simonsen; Bjørn Rishovd Rund; Per Vaglum; Thomas H McGlashan
Reducing the duration of untreated first-episode psychosis: effects on clinical presentation.
Archives of general psychiatry 2004;61(2):143-50.
2004: Christine Bull Bringager; Toril Dammen; Svein Friis
Nonfearful panic disorder in chest pain patients.
Psychosomatics 2004;45(1):69-79.
2003: Jan I Røssberg; Svein Friis
A suggested revision of the Ward Atmosphere Scale.
Acta psychiatrica Scandinavica 2003;108(5):374-80.
2003: Sigmund Karterud; Geir Pedersen; Elin Bjordal; Jørgen Brabrand; Svein Friis; Oyvind Haaseth; Grete Haavaldsen; Torill Irion; Harald Leirvåg; Elin Tørum; Oyvind Urnes
Day treatment of patients with personality disorders: experiences from a Norwegian treatment research network.
Journal of personality disorders 2003;17(3):243-62.
2003: Svein Friis; Tor K Larsen; Ingrid Melle
[Therapy of psychoses].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2003;123(10):1393.
2003: J I Røssberg; Svein Friis
Do the Spontaneity and Anger and Aggression subscales of the Ward Atmosphere Scale form homogeneous dimensions? A cross-sectional study of 54 wards for psychotic patients.
Acta psychiatrica Scandinavica 2003;107(2):118-23.
2003: Jan I Røssberg; Asle Hoffart; Svein Friis
Psychiatric staff members' emotional reactions toward patients. A psychometric evaluation of an extended version of the Feeling Word Checklist (FWC-58).
Nordic journal of psychiatry 2003;57(1):45-53.
2003: Svein Friis; Tor K Larsen; Ingrid Melle; Stein Opjordsmoen; Jan Olav Johannessen; Ulrik Haahr; Erik Simonsen; Bjørn Rishovd Rund; Per Vaglum; Thomas H McGlashan
Methodological pitfalls in early detection studies - the NAPE Lecture 2002. Nordic Association for Psychiatric Epidemiology.
Acta psychiatrica Scandinavica 2003;107(1):3-9.
2002: Marco Chiesa; Anthony Bateman; Theresa Wilberg; Svein Friis
Patients' characteristics, outcome and cost-benefit of hospital-based treatment for patients with personality disorder: a comparison of three different programmes.
Psychology and psychotherapy 2002;75(Pt 4):381-92.
2002: Svein Friis; Kjetil Sundet; Bjørn Rishovd Rund; Per Vaglum; Thomas H McGlashan
Neurocognitive dimensions characterising patients with first-episode psychosis.
The British journal of psychiatry. Supplement 2002;43():s85-90.
2002: Edvard Hauff; Sverre Varvin; Petter Laake; Ingrid Melle; Per Vaglum; Svein Friis
Inpatient psychotherapy compared with usual care for patients who have schizophrenic psychoses.
Psychiatric services (Washington, D.C.) 2002;53(4):471-3.
2001: Tor K Larsen; Thomas H McGlashan; Jan Olav Johannessen; Svein Friis; C Guldberg; Ulrik Haahr; Marthe Horneland; Ingrid Melle; L C Moe; Stein Opjordsmoen; Erik Simonsen; Per Vaglum
Shortened duration of untreated first episode of psychosis: changes in patient characteristics at treatment.
The American journal of psychiatry 2001;158(11):1917-9.
2001: Jan Olav Johannessen; Thomas H McGlashan; Tor K Larsen; Marthe Horneland; Inge Joa; S Mardal; R Kvebaek; Svein Friis; Ingrid Melle; Stein Opjordsmoen; Erik Simonsen; H Ulrik; Per Vaglum
Early detection strategies for untreated first-episode psychosis.
Schizophrenia research 2001;51(1):39-46.
2001: Tor K Larsen; Svein Friis; Ulrik Haahr; Inge Joa; Jan Olav Johannessen; Ingrid Melle; Stein Opjordsmoen; Erik Simonsen; Per Vaglum
Early detection and intervention in first-episode schizophrenia: a critical review.
Acta psychiatrica Scandinavica 2001;103(5):323-34.
2000: Liv Hedley; Asle Hoffart; Toril Dammen; Oivind Ekeberg; Svein Friis
The relationship between cognitions and panic attack intensity.
Acta psychiatrica Scandinavica 2000;102(4):300-2.
2000: Theresa Wilberg; T Dammen; Svein Friis
Comparing Personality Diagnostic questionnaire-4+ with Longitudinal, Expert, All Data (LEAD) standard diagnoses in a sample with a high prevalence of axis I and axis II disorders.
Comprehensive psychiatry 2000;41(4):295-302.
2000: Toril Dammen; Oivind Ekeberg; Harald Arnesen; Svein Friis
Personality profiles in patients referred for chest pain. Investigation with emphasis on panic disorder patients.
Psychosomatics 2000;41(3):269-76.
2000: Ingrid Melle; Svein Friis; Edvard Hauff; Per Vaglum
Social functioning of patients with schizophrenia in high-income welfare societies.
Psychiatric services (Washington, D.C.) 2000;51(2):223-8.
2000: Lisbet Borge; Egil W Martinsen; Torleif Ruud; O Watne; Svein Friis
[Quality of life, loneliness and social contacts among persons with long-term mental illness].
Tidsskrift for den Norske lægeforening : tidsskrift for praktisk medicin, ny række 2000;120(1):52-5.
1999: Theresa Wilberg; Oyvind Urnes; Svein Friis; Torill Irion; Geir Pedersen; Sigmund Karterud
One-year follow-up of day treatment for poorly functioning patients with personality disorders.
Psychiatric services (Washington, D.C.) 1999;50(10):1326-30.
1999: Toril Dammen; Oivind Ekeberg; Harald Arnesen; Svein Friis
The detection of panic disorder in chest pain patients.
General hospital psychiatry 1999;21(5):323-32.
1999: Toril Dammen; Harald Arnesen; Oivind Ekeberg; T Husebye; Svein Friis
Panic disorder in chest pain patients referred for cardiological outpatient investigation.
Journal of internal medicine 1999;245(5):497-507.
1999: Toril Dammen; Svein Friis; Oivind Ekeberg
The Illness Attitude Scales in chest pain patients: a study of psychometric properties.
Journal of psychosomatic research 1999;46(4):335-42.
1999: Theresa Wilberg; Oyvind Urnes; Svein Friis; Geir Pedersen; Sigmund Karterud
Borderline and avoidant personality disorders and the five-factor model of personality: a comparison between DSM-IV diagnoses and NEO-PI-R.
Journal of personality disorders 1999;13(3):226-40.
1999: Lisbet Borge; Egil W Martinsen; Torleif Ruud; O Watne; Svein Friis
Quality of life, loneliness, and social contact among long-term psychiatric patients.
Psychiatric services (Washington, D.C.) 1999;50(1):81-4.
1998: Egil W Martinsen; Torleif Ruud; Lisbet Borge; O Watne; Svein Friis
The fate of chronic in-patients after closure of psychiatric nursing homes in Norway: a personal follow-up 6 years later.
Acta psychiatrica Scandinavica 1998;98(5):360-5.
1998: Theresa Wilberg; Sigmund Karterud; Oyvind Urnes; Geir Pedersen; Svein Friis
Outcomes of poorly functioning patients with personality disorders in a day treatment program.
Psychiatric services (Washington, D.C.) 1998;49(11):1462-7.
1998: Egil W Martinsen; J S Raglin; Asle Hoffart; Svein Friis
Tolerance to intensive exercise and high levels of lactate in panic disorder.
Journal of anxiety disorders 1998;12(4):333-42.
1998: Theresa Wilberg; Svein Friis; Sigmund Karterud; L Mehlum; Oyvind Urnes; P Vaglum
Patterns of short-term course in patients treated in a day unit for personality disorders.
Comprehensive psychiatry 1998;39(2):75-84.
1998: Torleif Ruud; Egil W Martinsen; Svein Friis
Chronic patients in psychiatric institutions: psychopathology, level of functioning and need for care.
Acta psychiatrica Scandinavica 1998;97(1):55-61.
1996: Ingrid Melle; Svein Friis; E Hauff; T K Island; S Lorentzen; Per Vaglum
The importance of ward atmosphere in inpatient treatment of schizophrenia on short-term units.
Psychiatric services (Washington, D.C.) 1996;47(7):721-6.
1995: Egil W Martinsen; Svein Friis; Asle Hoffart
Assessment of depression: comparison between Beck Depression Inventory and subscales of Comprehensive Psychopathological Rating Scale.
Acta psychiatrica Scandinavica 1995;92(6):460-3.
1994: Lars Mehlum; Svein Friis; Per Vaglum; Sigmund Karterud
The longitudinal pattern of suicidal behaviour in borderline personality disorder: a prospective follow-up study.
Acta psychiatrica Scandinavica 1994;90(2):124-30.
1992: Sigmund Karterud; S Vaglum; Svein Friis; T Irion; S Johns; Per Vaglum
Day hospital therapeutic community treatment for patients with personality disorders. An empirical evaluation of the containment function.
The Journal of nervous and mental disease 1992;180(4):238-43.
1991: Lars Mehlum; Svein Friis; T Irion; S Johns; Sigmund Karterud; Per Vaglum; S Vaglum
Personality disorders 2-5 years after treatment: a prospective follow-up study.
Acta psychiatrica Scandinavica 1991;84(1):72-7.
1991: Svein Friis; E Hauff; T K Island; S Lorentzen; Ingrid Melle; Per Vaglum
The Ullevål acute ward follow-up study: a personal 7-year follow-up of patients with functional psychosis admitted to the acute ward of a catchment area.
Psychopathology 1991;24(5):316-27.
1989: Egil W Martinsen; Svein Friis; Asle Hoffart
A factor analytical study of the Comprehensive Psychopathological Rating Scale among patients with anxiety and depressive disorders.
Acta psychiatrica Scandinavica 1989;80(5):492-8.
1989: Per Vaglum; Svein Friis; S Vaglum; F Larsen
Comparison between personality disorder diagnoses in DSM-III and DSM-III-R: reliability, diagnostic overlap, predictive validity.
Psychopathology 1989;22(6):309-14.
1989: Svein Friis; U B Skatteboe; M K Hope; Per Vaglum
Body awareness group therapy for patients with personality disorders. 2. Evaluation of the Body Awareness Rating Scale.
Psychotherapy and psychosomatics 1989;51(1):18-24.
1989: U B Skatteboe; Svein Friis; M K Hope; Per Vaglum
Body awareness group therapy for patients with personality disorders. 1. Description of the therapeutic method.
Psychotherapy and psychosomatics 1989;51(1):11-7.
1985: Per Vaglum; Svein Friis; Sigmund Karterud
Why are the results of milieu therapy for schizophrenic patients contradictory? An analysis based on four empirical studies.
The Yale journal of biology and medicine 1985;58(4):349-61.