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List of works by Jan Olav Johannessen

"Everyone Needs a Friend Sometimes" - Social Predictors of Long-Term Remission In First Episode Psychosis

scientific article published on 04 October 2016

"We all have a responsibility": a narrative discourse analysis of an information campaign targeting help-seeking in first episode psychosis

"With a little help from my friends" social predictors of clinical recovery in first-episode psychosis

scientific article published on 30 May 2017

0209 IMPLEMENTING PSYCHOEDUCATIONAL MULTIFAMILY GROUP WORK IN A TREATMENT PROGRAM FOR PATIENTS WITH FIRST EPISODE PSYCHOSIS. EXPERIENCES FROM THE TIPS PROJECT

10 year course of IQ in first-episode psychosis: relationship between duration of psychosis and long-term intellectual trajectories

scientific article published on 8 December 2014

110. “With a Little Help from My Friends” Social Predictors of Clinical Recovery in First-Episode Psychosis.

scientific article published on 20 March 2017

A 10-year follow-up study of violent victimization in first episode psychosis: Risk and protective factors

scientific article

A 2-year follow-up of involuntary admission's influence upon adherence and outcome in first-episode psychosis

scientific article published on 19 January 2010

A comparison of adolescent- and adult-onset first-episode, non-affective psychosis: 2-year follow-up

article by Johannes Langeveld et al published 23 March 2012 in European Archives of Psychiatry and Clinical Neuroscience

An exploratory study of the experiences of being both a mental health professional and carer in mental health services in Norway

scientific article published on 28 January 2020

Antipsychotic treatment: experiences of fully recovered service users

scientific article published in March 2017

Apathy in first episode psychosis patients: a ten year longitudinal follow-up study

scientific article published on 27 January 2012

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

article by Jan Ivar Røssberg et al published 11 May 2010 in Acta Psychiatrica Scandinavica

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

scientific article published on 5 February 2009

Clinical epidemiologic first-episode psychosis: 1-year outcome and predictors

scientific article published in July 2007

Cognitive Profile in Ultra High Risk for Psychosis and Schizophrenia: A Comparison Using Coordinated Norms

scientific article published on 01 October 2019

Comparison of Remotely Measured and Modelled Currents in Coastal Areas of Norway and Spain

article

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

scientific article

Corrigendum: “Ten year neurocognitive trajectories in first-episode psychosis”.

scientific article published on 19 May 2014

Course and predictors of suicidality over the first two years of treatment in first-episode schizophrenia spectrum psychosis

scientific article published in January 2010

Depression and functioning are important to subjective quality of life after a first episode psychosis

scientific article published on 30 July 2018

Depressive symptoms in first-episode psychosis: a 10-year follow-up study

scientific article published on 23 June 2014

Does duration of untreated psychosis bias study samples of first-episode psychosis?

scientific article published in October 2004

Early Predictors of Ten-Year Course in First-Episode Psychosis

scientific article published on 16 November 2015

Early Substance Use Cessation Improves Cognition-10 Years Outcome in First-Episode Psychosis Patients

scientific article published on 12 July 2019

Early detection and intervention in first-episode schizophrenia: a critical review

scientific article

Early detection and intervention with schizophrenia: rationale

scientific article

Early detection of first-episode psychosis: the effect on 1-year outcome

scientific article published on 29 June 2006

Early detection of psychosis: positive effects on 5-year outcome

article by Tor Ketil Larsen et al published 14 October 2010 in Psychological Medicine

Early detection strategies for untreated first-episode psychosis

scientific article

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

scientific article published on 7 December 2012

Early identification of non-remission in first-episode psychosis in a two-year outcome study

article by Erik Simonsen et al published 18 August 2010 in Acta Psychiatrica Scandinavica

Early intervention and prevention in schizophrenia--experiences from a study in Stavanger, Norway

scientific article published in January 1998

Effect of an early detection programme on duration of untreated psychosis

scientific article published on 01 August 2005

Effect of clonidine on the activity of tryptophan hydroxylase from rat brainstem following in vivo or in vitro treatment

scientific article published in May 1985

Effects on referral patterns of reducing intensive informational campaigns about first-episode psychosis

scientific article published on 01 November 2007

Erratum to: Typologies in GPs' referral practice

scientific article published on 31 January 2017

Experiences of antipsychotic use in patients with early psychosis: a two-year follow-up study

scientific article

F136. PARSING DUP TO REFINE EARLY DETECTION: QUANTILE REGRESSION OF RESULTS FROM THE SCANDINAVIAN TIPS STUDY.

scientific article published in April 2018

F163. STRUCTURAL AND FUNCTIONAL ALTERATIONS IN THE BRAIN DURING WORKING MEMORY IN MEDICATION-NAïVE PATIENTS AT CLINICAL HIGH-RISK FOR PSYCHOSIS.

scientific article

First-episode psychosis patients recruited into treatment via early detection teams versus ordinary pathways: course and health service use during 5 years

scientific article published on 13 August 2010

First-episode psychosis patients recruited into treatment via early detection teams versus ordinary pathways: course, outcome and health service use during first 2 years

scientific article published in February 2007

First-episode psychosis: diagnostic stability over one and two years

scientific article published on 19 July 2008

First-episode schizophrenia with long duration of untreated psychosis. Pathways to care

scientific article published on 01 January 1998

First-episode schizophrenia: II. Premorbid patterns by gender

scientific article published in January 1996

Flat affect and social functioning: a 10 year follow-up study of first episode psychosis patients

scientific article published on 23 May 2012

Gender differences in suicidal behaviour in patients with first-episode psychosis

scientific article published on 5 December 2013

Impact of interpersonal trauma on the social functioning of adults with first-episode psychosis

scientific article

Information Campaigns: 10 Years of Experience in the Early Treatment and Intervention in Psychosis (TIPS) Study

Innovations: Psychoeducation: Multifamily Group Treatment in a Program for Patients With First-Episode Psychosis: Experiences From the TIPS Project

article

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

scientific article

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

article by JOHANNES LANGEVELD et al published 18 December 2012 in Scandinavian Journal of Psychology

Job- and schoolprescription: A local adaptation to individual placement and support for first episode psychosis

scientific article published on 11 June 2018

Kjedelig og lite nyttig

scientific article published on 18 September 2017

Language Lateralization and Auditory Attention Impairment in Young Adults at Ultra-High Risk for Psychosis: A Dichotic Listening Study.

scientific article

Mental health services in Norway

scientific article published on 01 July 2005

Methodological pitfalls in early detection studies - the NAPE Lecture 2002. Nordic Association for Psychiatric Epidemiology

scientific article

Neurocognition and Duration of Psychosis: A 10-year Follow-up of First-Episode Patients

scientific article published on 21 June 2015

Neurocognition and occupational functioning in patients with first-episode psychosis: a 2-year follow-up study

scientific article published on 14 May 2011

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

scientific article published in July 2013

O3.5. IMPROVED COGNITION WITH EARLY SUBSTANCE USE CESSATION IN FIRST-EPISODE PSYCHOSIS – 10 YEARS OUTCOME IN THE TIPS SAMPLE PATIENTS

Obstacles to care in first-episode psychosis patients with a long duration of untreated psychosis

scientific article published on 27 May 2014

One-year effect of changing duration of untreated psychosis in a single catchment area

scientific article published in December 2007

Optimizing health-care systems to promote early detection of psychosis

scientific article published on September 2009

Parsing the impact of early detection on duration of untreated psychosis (DUP): Applying quantile regression to data from the Scandinavian TIPS study

scientific article published on 14 June 2019

Pathways to care for first-episode psychosis in an early detection healthcare sector: part of the Scandinavian TIPS study

scientific article

Patient satisfaction with treatment in first-episode psychosis

scientific article published on 18 January 2012

Personality disorders in first-episode psychosis

Predictors of involuntary hospitalizations to acute psychiatry

scientific article published on 8 February 2013

Premorbid adjustment in first-episode non-affective psychosis: distinct patterns of pre-onset course

scientific article published in August 2004

Preventing Poor Vocational Functioning in Psychosis Through Early Intervention

scientific article published in September 2016

Preventing Suicide among Psychiatric Inpatients with Psychotic Depression

scientific article published on 01 March 2020

Primary prevention of psychosis through interventions in the symptomatic prodromal phase, a pragmatic Norwegian Ultra High Risk study

scientific article published on 22 April 2015

Psychiatrists' reflections on a medication-free program for patients with psychosis

scientific article published on 24 January 2019

Psychotherapy in Psychosis: Experiences of Fully Recovered Service Users

Psychotic Depression and Suicidal Behavior

scientific article published in January 2017

Public attitudes towards involuntary admission and treatment by mental health services in Norway

scientific article published on 12 October 2017

Reducing the duration of untreated first-episode psychosis - effects on baseline social functioning and quality of life

scientific article published on 01 December 2005

Reducing the duration of untreated first-episode psychosis: effects on clinical presentation

scientific article published in February 2004

Relation between premorbid adjustment, duration of untreated psychosis and close interpersonal trauma in first-episode psychosis

scientific article published on 23 January 2016

Review: lifetime prevalence of schizophrenia and related disorders is about 5.5 per 1000, but there is significant variation between regions

scientific article

S234. ONE-YEAR OUTCOME AND USE OF CLOZAPINE IN FIRST-EPISODE SCHIZOPHRENIA.

scientific article

SU47. Neurocognition and Substance use in First-Episode Psychosis: 10-Year Trajectories.

scientific article

Shortened Duration of Untreated First Episode of Psychosis: Changes in Patient Characteristics at Treatment

scientific article published on 01 November 2001

Social Media and Social Functioning in Psychosis: A Systematic Review

scientific article published on 28 June 2019

Stability of medication in early psychosis: a comparison between second-generation and low-dose first-generation antipsychotics

scientific article published on February 2009

Structural and functional alterations in the brain during working memory in medication-naïve patients at clinical high-risk for psychosis.

scientific article

Subjective quality of life in first-episode psychosis. A ten year follow-up study

scientific article published on 29 February 2016

Substance abuse in first-episode non-affective psychosis

scientific article published on 12 September 2006

T60. SOCIAL MEDIA AND SOCIAL FUNCTIONING IN PSYCHOSIS: A SYSTEMATIC REVIEW

scholarly article by Jone Bjornestad et al published 9 April 2019 in Schizophrenia Bulletin

T98. THE EFFECT OF SUBSTANCE USE ON 10-YEAR OUTCOME IN FIRST EPISODE PSYCHOSIS – EARLY CESSATION RESULTS IN BETTER OUTCOMES.

scientific article

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

scientific article published in May 2011

Ten year neurocognitive trajectories in first-episode psychosis

scientific article published on 07 October 2013

The Effect of Substance Use on 10-Year Outcome in First-Episode Psychosis

scientific article published on 11 February 2017

The TIPS study and bias: replies to Dr Amos

scientific article published in September 2012

The central role of self-agency in clinical recovery from first episode psychosis

The costs of early intervention in psychosis: restoring the balance

scientific article published in September 2012

The course of neurocognitive functioning in first-episode psychosis and its relation to premorbid adjustment, duration of untreated psychosis, and relapse

scientific article

The development of subjective quality of life over the first 2 years in first-episode psychosis

scientific article

The influence of lidocaine and iontophoresis on the pain threshold of the human eardrum.

scientific article published in April 1982

The key to reducing duration of untreated first psychosis: information campaigns

scientific article published on 28 September 2007

Tips: Early detection and treatment of first episode psychosis

Treated incidence and baseline characteristics of substance induced psychosis in a Norwegian catchment area

scientific article

Treatment and violent behavior in persons with first episode psychosis during a 10-year prospective follow-up study

scientific article published on 15 May 2014

Typologies in GPs' referral practice

scientific article

Use of medication algorithms in first episode psychosis: a naturalistic observational study

scientific article published on 15 January 2015

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

scientific article published on 17 June 2013

Verbal working memory deficits predict levels of auditory hallucination in first-episode psychosis

scientific article published on 20 January 2014

Visual Hallucinations in First-Episode Psychosis: Association with Childhood Trauma

scientific article published on 4 May 2016

Voluntary or involuntary acute psychiatric hospitalization in Norway: A 24 h follow up study

Wild-type and attenuated influenza virus infection of the neonatal rat brain

scientific article published in October 2004

[Data collection methods and results in user surveys in mental health care].

scientific article

[Relapse as quality indicator in psychiatric treatment]

scientific article published on 01 August 2000

[Schizophrenia--incidence and significance]

scientific article published on 01 August 2002

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