Blar i Faculty of Psychology på forfatter "Hagen, Kristen"
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The Bergen 4-day OCD treatment delivered in a group setting: 12-month follow-up
Hansen, Bjarne; Hagen, Kristen; Øst, Lars Gøran; Solem, Stian; Kvale, Gerd (Peer reviewed; Journal article, 2018-05-03)The Bergen 4-day concentrated exposure treatment (cET) for obsessive-compulsive disorder (OCD) has proven highly acceptable; with practically no drop-out and a 6 month remission rate of nearly 70%. The aim of the present ... -
The Bergen 4-Day Treatment (B4DT) for Obsessive-Compulsive Disorder: Outcomes for Patients Treated After Initial Waiting List or Self-Help Intervention
Launes, Gunvor; Hagen, Kristen; Öst, Lars Gøran; Solem, Stian; Hansen, Bjarne; Kvale, Gerd (Journal article, 2020)The Bergen 4-day treatment (B4DT) for obsessive-compulsive disorder (OCD) was recently tested in a randomized controlled trial, where the results showed that the B4DT was more effective than a self-help intervention (SH) ... -
The Bergen 4-day treatment for obsessive-compulsive disorder : Does it work in a new clinical setting?
Launes, Gunvor; Laukvik, Inger Lill; Sunde, Tor; Klovning, Ingrid; Hagen, Kristen; Solem, Stian; Øst, Lars Gøran; Hansen, Bjarne; Kvale, Gerd (Peer reviewed; Journal article, 2019-05-17)Sørlandet Hospital in Norway has a history of offering patients with obsessivecompulsive disorder (OCD) cognitive behavior group therapy using 12 weekly sessions of 2.5 h each. A previous evaluation of this treatment has ... -
The Bergen 4-day treatment for panic disorder: adapting to COVID-19 restrictions with a hybrid approach of face-to-face and videoconference modalities
Hjelle, Kay Morten; Eide, Thorstein Olsen; Thorsen, Anders Lillevik; Kvale, Gerd; Hagen, Kristen; Snorrason, Ivar; Björgvinsson, Thröstur; Hansen, Bjarne Kristian Aaslie (Journal article; Peer reviewed, 2023)Background The Bergen 4-day treatment (B4DT) is a concentrated exposure-based therapy that has been shown to be effective in the treatment of anxiety disorders. The current study sought to examine the effectiveness of ... -
The Bergen 4-day treatment for panic disorder: implementation in a rural clinical setting
Eide, Thorstein Olsen; Hjelle, Kay Morten; Sætre, Ida Ueland; Solem, Stian; Olsen, Thorbjørn; Skøld, Rolf Olof; Kvale, Gerd; Hansen, Bjarne Kristian Aaslie; Hagen, Kristen (Journal article; Peer reviewed, 2023)Introduction: The Bergen 4-Day Treatment (B4DT) is a concentrated treatment with individually tailored exposure exercises. The format has shown promising results in the treatment of panic disorder. Aim: The aim of the ... -
The Bergen 4-day treatment for panic disorder: replication and implementation in a new clinic
Iversen, Hanne Moe; Eide, Thorstein Olsen; Harvold, Mathea; Solem, Stian; Kvale, Gerd; Hansen, Bjarne Kristian Aaslie; Hagen, Kristen (Journal article; Peer reviewed, 2022)Background Bergen 4-day treatment (B4DT) is a concentrated exposure-based treatment (cET), where the patient receives concentrated, individually tailored cognitive behavioral therapy (CBT) during four consecutive days. ... -
Changes in contamination-related obsessions and compulsions during the COVID-19 pandemic: A Norwegian longitudinal study
Grøtte, Torun; Hagen, Kristen; Eid, Jarle; Kvale, Gerd; Hellard, Stephanie Francoise Claire Le; Solem, Stian (Journal article; Peer reviewed, 2022)Background: Early stages of the COVID-19 pandemic have been associated with increasing obsessive-compulsive symptoms (OCS), but less is known regarding these symptoms’ long-term trajectories. The aim of this study was to ... -
Cohort Profile: COVIDMENT: COVID-19 cohorts on mental health across six nations
Unnarsdóttir, Anna Bára; Lovik, Anikó; Fawns-Ritchie, Chloe; Ask, Helga; Kõiv, Kadri; Hagen, Kristen; Didriksen, Maria; Christoffersen, Lea Arregui Nordahl; Garðarsson, Alexander Berg; McIntosh, Andrew; Kähler, Anna K.; Campbell, Archie; Hauksdóttir, Arna; Erikstrup, Christian; Mikkelsen, Dorte Helenius; Altschul, Drew; Thordardottir, Edda Bjork; Frans, Emma Maria; Kvale, Gerd; Tómasson, Gunnar; Kariis, Hanna Maria; Jónsdóttir, Harpa Lind; Rúnarsdóttir, Harpa; Magnúsdóttir, Ingibjörg; Eid, Jarle; Jakobsdóttir, Jóhanna; Nielsen, Kaspar René; Kaspersen, Kathrine Agergård; Milani, Lili; Trogstad, Lill-Iren Schou; Yi, Lu; Bruun, Mie Topholm; Sullivan, Patrick F.; Magnus, Per Minor; Shen, Qing; Nesvåg, Ragnar; Brandlistuen, Ragnhild Eek; Mägi, Reedik; Ostrowski, Sisse Rye; Løkhammer, Solveig; Solem, Stian; Reichborn-Kjennerud, Ted; Hansen, Thomas Folkmann; Werge, Thomas; Aspelund, Thor; Porteous, David J.; Fang, Fang; Lehto, Kelli; Andreassen, Ole; Pedersen, Ole Birger Vesterager; Hellard, Stephanie Francoise Claire Le; Valdimarsdóttir, Unnur Anna (Journal article; Peer reviewed, 2021) -
Diffusion Tensor Imaging Before and 3 Months After Concentrated Exposure Response Prevention in Obsessive-Compulsive Disorder
Brecke, Vilde; Thorsen, Anders Lillevik; Ousdal, Olga Therese; Vriend, Chris; Alnæs, Dag; Hagen, Kristen; Hansen, Bjarne; Kvale, Gerd; van den Heuvel, Odile A (Journal article; Peer reviewed, 2021)Background: Subtle differences in white matter microstructure have been found in obsessive-compulsive disorder (OCD) compared to controls using diffusion tensor imaging (DTI), but it is unclear if and how this change after ... -
Disentangling Within- and Between-Person Effects During Response Inhibition in Obsessive-Compulsive Disorder
Hagland, Pernille; Thorsen, Anders Lillevik; Ousdal, Olga Therese; Gjestad, Rolf; de Wit, Stella J.; Hansen, Bjarne Kristian Aaslie; Hagen, Kristen; Kvale, Gerd; van den Heuvel, Odile A. (Journal article; Peer reviewed, 2021)Background: Obsessive-compulsive disorder (OCD) has been related to worse performance, abnormal brain activity, and functional connectivity during response inhibition. Whether these findings are indications of stable traits ... -
Does Concentrated Exposure Treatment for Obsessive-Compulsive Disorder Improve Insomnia Symptoms? Results From a Randomized Controlled Trial
Hagen, Kristen; Nordahl, Håkon; Launes, Gunvor; Kvale, Gerd; Öst, Lars Gøran; Hystad, Sigurd; Hansen, Bjarne; Solem, Stian (Journal article; Peer reviewed, 2021)Insomnia is a substantial problem in patients with obsessive-compulsive disorder (OCD). There is, however, a lack of studies investigating changes in concurrent symptoms of insomnia in OCD after concentrated treatment. A ... -
Effect of D-Cycloserine on the Effect of Concentrated Exposure and Response Prevention in Difficult-to-Treat Obsessive-Compulsive Disorder: A Randomized Clinical Trial
Kvale, Gerd; Hansen, Bjarne; Hagen, Kristen; Abramowitz, Jonathan S.; Børtveit, Tore; Craske, Michelle G.; Franklin, Martin E.; Haseth, Svein; Himle, Joseph A; Hystad, Sigurd William; Kristensen, Beate; Launes, Gunvor; Lund, Anders; Solem, Stian; Öst, Lars Gøran (Journal article; Peer reviewed, 2020)Importance Evidence is lacking for viable treatment options for patients with difficult-to-treat obsessive-compulsive disorder (OCD). It has been suggested that D-cycloserine (DCS) could potentiate the effect of exposure ... -
Effects of Bergen 4-Day Treatment on Resting-State Graph Features in Obsessive-Compulsive Disorder
Thorsen, Anders Lillevik; Vriend, Chris; de Wit, Stella J.; Ousdal, Olga Therese; Hagen, Kristen; Hansen, Bjarne; Kvale, Gerd; van den Heuvel, Odile A (Journal article; Peer reviewed, 2020)Background Exposure and response prevention is an effective treatment for obsessive-compulsive disorder (OCD), but it is unclear how symptom reduction is related to changes in the brain. We aimed to determine the effects ... -
Implementation of the Bergen 4-day treatment for obsessive compulsive disorder in Iceland
Davidsdottir, Soley Drofn; Sigurjonsdottir, Olafia; Ludvigsdóttir, Sigurbjorg Jona; Hansen, Bjarne; Laukvik, Inger Lill; Hagen, Kristen; Björgvinsson, Thröstur; Kvale, Gerd (Peer reviewed; Journal article, 2019)Objective: The purpose of this study was to evaluate the first implementation outside of Norway of the Bergen 4-day treatment for Obsessive Compulsive Disorder (OCD), an innovative and effective treatment format with high ... -
Longitudinal changes in neurometabolite concentrations in the dorsal anterior cingulate cortex after concentrated exposure therapy for obsessive-compulsive disorder
de Joode, Niels T.; Thorsen, Anders Lillevik; Vester, Eline L.; Vriend, Chris; Pouwels, Petra J.W.; Hagen, Kristen; Ousdal, Olga Therese; Hansen, Bjarne Kristian Aaslie; Kvale, Gerd; van den Heuvel, Odile A. (Journal article; Peer reviewed, 2021)Background The dorsal anterior cingulate cortex (dACC) plays an important role in the pathophysiology of obsessive-compulsive disorder (OCD) due to its role in error processing, cognitive control and emotion regulation. ... -
Personality traits and hardiness as risk- and protective factors for mental distress during the COVID-19 pandemic: a Norwegian two-wave study
Lassen, Espen Rasmussen; Hagen, Kristen; Kvale, Gerd; Eid, Jarle; Le Hellard, Stephanie; Solem, Stian (Journal article; Peer reviewed, 2022)Background Several risk factors for anxious-depressive symptomatology during the COVID-19 pandemic have been established. However, few studies have examined the relationship between personality traits, hardiness, and such ... -
Prevalence of personality disorders in patients with OCD and relationship to treatment outcome
Øvrehus, Espen Handeland; Martinsen, Anneli Sund; Hagen, Kristen; Hansen, Bjarne; Kvale, Gerd (Journal article; Peer reviewed, 2016)Objective: As a rule of thumb 30-40% of patients with OCD do not experience clinically relevant change from exposure and response prevention (ERP), and 50% can expect to be classified as recovered post treatment. The ... -
A randomized controlled trial of concentrated ERP, self-help and waiting list for obsessive- compulsive disorder: The Bergen 4-Day Treatment
Launes, Gunvor; Hagen, Kristen; Sunde, Tor; Øst, Lars Gøran; Klovning, Ingrid; Laukvik, Inger Lill; Himle, Joseph A.; Solem, Stian; Hystad, Sigurd William; Hansen, Bjarne; Kvale, Gerd (Peer reviewed; Journal article, 2019-11-15)Background: The Bergen 4-day treatment (B4DT) is a concentrated exposure-based treatment for patients with Obsessive-Compulsive Disorder (OCD) delivered during four consecutive days. The B4DT has in a number of effectiveness ... -
The role of metacognition and obsessive-compulsive symptoms in psychosis: An analogue study
Hagen, Kristen; Solem, Stian; Opstad, Håvard Berg; Hansen, Bjarne; Hagen, Roger (Peer reviewed; Journal article, 2017-06-29)Background Several studies have indicated that obsessive-compulsive disorder (OCD) is a common comorbidity in patients with psychotic disorders, but there is sparse knowledge about the relationship between symptoms of OCD ... -
Stable inhibition-related inferior frontal hypoactivation and fronto-limbic hyperconnectivity in obsessive–compulsive disorder after concentrated exposure therapy
Thorsen, Anders Lillevik; de Wit, Stella J.; Hagland, Pernille; Ousdal, Olga Therese; Hansen, Bjarne; Hagen, Kristen; Kvale, Gerd; van den Heuvel, Odile A (Journal article; Peer reviewed, 2020)Response inhibition has previously been suggested as an endophenotype for obsessive–compulsive disorder (OCD), evidenced by studies showing worse task performance, and altered task-related activation and connectivity. ...