Publications by authors named "Magnus Engen"

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Editorial: The role of affect regulation in bipolar disorders.
Magnus Johan Engen, Trine Vik Lagerberg, Margrethe Collier Høegh

Front Psychiatry· September 2025

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Recent cannabis use affects the association between baseline immune markers and long-term outcomes in psychosis.
Isabel Kreis, Kristin Fjelnseth Wold, Gina Åsbø, Camilla Bärthel Flaaten, Magnus Johan Engen

Transl Psychiatry· August 2025

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Exploring the temporal relationship between mood, alcohol- and nicotine use in bipolar disorder using time-series analyses.
Stine Holmstul Glastad, Ole Klungsøyr, Sofie Ragnhild Aminoff, Roger Hagen, Thomas Bjella, Magnus Johan Engen

Int J Bipolar Disord· May 2025

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A mixed methods pilot feasibility study of the unified protocol group psychotherapy for early bipolar disorder.
Magnus Johan Engen, Siv Hege Lyngstad, Erlend Eikenæs, Jon Vøllestad, Margrethe Collier Høegh

Front Psychiatry· May 2025

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The MinDag app for symptom monitoring and feedback to patients and clinicians during the initial treatment of bipolar disorder - a feasibility study.
Margrethe Collier Høegh, Stine Holmstul Glastad, Siv Hege Lyngstad, Magnus Johan Engen, Sofie Ragnhild Aminoff

Int J Bipolar Disord· April 2025

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Behind the heterogeneity in the long-term course of first-episode psychosis: Different psychotic symptom trajectories are associated with different patterns of cannabis and stimulant use.
Isabel Kreis, Trine Vik Lagerberg, Kristin Fjelnseth Wold, Gina Åsbø, Carmen Simonsen, Magnus Johan Engen

Schizophr Res· September 2024

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Long-term clinical recovery and treatment resistance in first-episode psychosis: a 10-year follow-up study.
Kristin Fjelnseth Wold, Isabel Viola Kreis, Gina Åsbø, Camilla Bärthel Flaaten, Line Widing, Magnus Johan Engen

Schizophrenia (Heidelb)· August 2024

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A good life with psychosis: rate of positive outcomes in first-episode psychosis at 10-year follow-up.
Carmen Simonsen, Gina Åsbø, Mike Slade, Kristin Fjelnseth Wold, Line Widing, Magnus Johan Engen

Psychol Med· July 2024

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Long-term course of cognitive functioning in bipolar disorder: A ten-year follow-up study.
Camilla Bärthel Flaaten, Ingrid Melle, Thomas Bjella, Magnus Johan Engen, Gina Åsbø

Bipolar Disord· March 2024

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Course of intellectual functioning in schizophrenia and bipolar disorder: a 10-year follow-up study.
Camilla Bärthel Flaaten, Ingrid Melle, Erlend Gardsjord, Thomas Bjella, Magnus Johan Engen

Psychol Med· April 2023

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The trajectory of two negative symptom dimensions in first-episode psychosis and the role of cannabis use: A 10-year follow-up study.
Henrik Myhre Ihler, Siv Hege Lyngstad, Erlend Strand Gardsjord, Line Hustad Widing, Camilla Bärthel Flaaten, Magnus Johan Engen

Schizophr Res· February 2023

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Long-term Outcomes of People With DSM Psychotic Disorder NOS.
Line Widing, Carmen Simonsen, Thomas Bjella, Magnus Johan Engen, Camilla Bärthel Flaaten

Schizophr Bull Open· January 2023

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Domain-specific cognitive course in schizophrenia: Group- and individual-level changes over 10 years.
Camilla Bärthel Flaaten, Ingrid Melle, Thomas Bjella, Magnus Johan Engen, Gina Åsbø

Schizophr Res Cogn· December 2022

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The Time is Ripe for a Consensus Definition of Clinical Recovery in First-episode Psychosis: Suggestions Based on a 10-Year Follow-up Study.
Gina Åsbø, Torill Ueland, Beathe Haatveit, Thomas Bjella, Camilla Bärthel Flaaten, Magnus Johan Engen

Schizophr Bull· June 2022

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Cognitive and Global Functioning in Patients With First-Episode Psychosis Stratified by Level of Negative Symptoms. A 10-Year Follow-Up Study.
Magnus Johan Engen, Anja Vaskinn, Ingrid Melle, Ann Færden, Siv Hege Lyngstad

Front Psychiatry· March 2022

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Divergent relationship between brain structure and cognitive functioning in patients with prominent negative symptomatology.
Beathe Haatveit, Lynn Mørch-Johnsen, Dag Alnæs, Magnus Johan Engen, Siv Hege Lyngstad

Psychiatry Res Neuroimaging· January 2021

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Polygenic scores for schizophrenia and general cognitive ability: associations with six cognitive domains, premorbid intelligence, and cognitive composite score in individuals with a psychotic disorder and in healthy controls.
Magnus Johan Engen, Siv Hege Lyngstad, Torill Ueland, Carmen Elisabeth Simonsen, Anja Vaskinn

Transl Psychiatry· November 2020

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Trajectory and early predictors of apathy development in first-episode psychosis and healthy controls: a 10-year follow-up study.
Siv Hege Lyngstad, Erlend Strand Gardsjord, Magnus Johan Engen, Beathe Haatveit, Henrik Myhre Ihler

Eur Arch Psychiatry Clin Neurosci· September 2020

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Cognitive functioning in patients with first-episode psychosis stratified by level of negative symptoms: A 1-year follow-up study.
Magnus Johan Engen, Carmen Simonsen, Ingrid Melle, Ann Færden, Siv Hege Lyngstad

Psychiatry Res· November 2019

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Consequences of persistent depression and apathy in first-episode psychosis - A one-year follow-up study.
Siv Hege Lyngstad, Erlend Strand Gardsjord, Carmen Simonsen, Magnus Johan Engen, Kristin Lie Romm

Compr Psychiatry· October 2018

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The MBT Adherence and Competence Scale (MBT-ACS): development, structure and reliability.
Sigmund Karterud, Geir Pedersen, Magnus Engen, Merete Selsbakk Johansen, Paul Niklas Johansson

Psychother Res· August 2014

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