Browsing NTNU Open by Author "Morken, Gunnar"
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A pilot study to determine whether combinations of objectively measured activity parameters can be used to differentiate between mixed states, mania, and bipolar depression.
Scott, Janine Linda; Vaaler, Arne; Fasmer, Ole Bernt; Morken, Gunnar; Krane-Gartiser, Karoline (Journal article; Peer reviewed, 2017)Background Until recently, actigraphy studies in bipolar disorders focused on sleep rather than daytime activity in mania or depression, and have failed to analyse mixed episodes separately. Furthermore, even those studies ... -
A pragmatic effectiveness randomized controlled trial of the duration of psychiatric hospitalization in a trans- diagnostic sample of patients with acute mental illness admitted to a ward with either blue-depleted evening lighting or normal lighting conditions
Scott, Janine Linda; Langsrud, Knut; Vethe, Daniel; Kjørstad, Kaia; Vestergaard, Cecilie Lund; Faaland, Patrick; Lydersen, Stian; Vaaler, Arne; Morken, Gunnar; Torgersen, Terje; Kallestad, Håvard (Journal article; Peer reviewed, 2019)Background There is increasing recognition of the need to stabilize sleep-wake cycles in individuals with major mental disorders. As such, clinicians and researchers advocate the use of interventions targeted at sleep and ... -
A randomized controlled trial comparing self-referral to inpatient treatment and treatment as usual in patients with severe mental disorders
Sigrunarson, Vidir; Moljord, Inger Elise Opheim; Steinsbekk, Aslak; Eriksen, Lasse; Morken, Gunnar (Journal article; Peer reviewed, 2016)Background: There has been a call for increased patient autonomy and participation in psychiatry. Some Community Mental Health Centres (CMHC) have implemented services called ‘self-referral to inpatient treatment’ (SRIT) ... -
A randomized trial of cognitive group therapy vs. waiting list for patients with co-morbid psychiatric disorders: Effect of cognitive group therapy after treatment and six and twelve months follow-up
Hagen, Roger; Nordahl, Hans Morten; Kristiansen, Lena; Morken, Gunnar (Journal article; Peer reviewed, 2005)The aim of the study was to assess the effectiveness of cognitive group therapy compared to a waiting list in a sample of patients with heterogeneous non-psychotic disorders. Participants in this study were referred from ... -
Actigraphic assessment of motor activity in acutely admitted inpatients with bipolar disorder
Krane-Gartiser, Karoline; Henriksen, Tone Elise Gjøtterud; Morken, Gunnar; Vaaler, Arne Einar; Fasmer, Ole Bernt (Journal article; Peer reviewed, 2014)Introduction: Mania is associated with increased activity, whereas psychomotor retardation is often found in bipolar depression. Actigraphy is a promising tool for monitoring phase shifts and changes following treatment ... -
Actigraphy as an objective intra‑individual marker of activity patterns in acute‑phase bipolar disorder: a case series
Krane-Gartiser, Karoline; Asheim, Andreas; Fasmer, Ole Bernt; Morken, Gunnar; Vaaler, Arne; Scott, Janine Linda (Journal article; Peer reviewed, 2018)Background Actigraphy could be an objective alternative to clinical ratings of motor activity in bipolar disorder (BD), which is of importance now that increased activity and energy are added as cardinal symptoms of ... -
ACTIGRAPHY IN AFFECTIVE DISORDERS
Krane-Gartiser, Karoline (Doctoral thesis at NTNU;2016:154, Doctoral thesis, 2016)Norsk sammendrag - Norsk tittel: Aktigrafi ved stemningslidelser Det er i dag ingen objektive mål på symptomene ved psykiske lidelser. I dette doktorgradsarbeidet er det vist at mennesker med ulike former for depresjoner ... -
Acute admissions among immigrants and asylum seekers to a psychiatric hospital in Norway
Iversen, Valentina; Morken, Gunnar (Journal article; Peer reviewed, 2003)Objective The purpose of the present study was to compare admission rates, including admission by coercion, length of hospital stay and diagnosis among immigrants, asylum seekers and Norwegian-born patients. Material All ... -
Acute unstable depressive syndrome (AUDS) is associated more frequently with epilepsy than major depression
Vaaler, Arne; Morken, Gunnar; Iversen, Valentina Cabral; Kondziella, Daniel; Linaker, Olav Morten (Journal article; Peer reviewed, 2010)Background: Depressive disorders are frequent in epilepsy and associated with reduced seizure control. Almost 50% of interictal depressive disorders have to be classified as atypical depressions according to DSM-4 ... -
Applying polygenic risk scoring for psychiatric disorders to a large family with bipolar disorder and major depressive disorder
de Jong, Simone; Diniz, Mateus Jose Abdalla; Saloma, Andiara; Gadelha, Ary; Santoro, Marcos L.; Ota, Vanessa K.; Noto, Cristiano; Morken, Gunnar; Andreassen, Ole Andreas; Melle, Ingrid; Djurovic, Srdjan; Curtis, Charles; Newhouse, Stephen J.; Patel, Hamel; Hall, Lynsey S.; O`Reilly, Paul F.; Belangero, Sintia I.; Bressan, Rodrigo A.; Breen, Gerome (Journal article; Peer reviewed, 2018)Psychiatric disorders are thought to have a complex genetic pathology consisting of interplay of common and rare variation. Traditionally, pedigrees are used to shed light on the latter only, while here we discuss the ... -
Association analysis between suicidal behaviour and candidate genes of bipolar disorder and schizophrenia
Finseth, Per Ivar; Sønderby, Ida Elken; Djurovic, Srdjan; Agartz, Ingrid; Malt, Ulrik Fredrik; Melle, Ingrid; Morken, Gunnar; Andreassen, Ole Andreas; Vaaler, Arne Einar; Tesli, Martin Steen (Journal article; Peer reviewed, 2014)Background: The present study investigated associations between the strongest joint genetic risk variants for bipolar disorder (BD) and schizophrenia (SCZ) and a history of suicide attempt in patients with BD, SCZ and ... -
Association studies of up to 1.2 million individuals yield new insights into the genetic etiology of tobacco and alcohol use
Liu, Ming; Jiang, Yu; Wedow, Robbee; Li, Yue; Brazel, David M.; Chen, Fang; Datta, Gargi; Davila-Velderrain, Jose; Mitchell, Amy; Skogholt, Anne Heidi; Sivertsen, Børge; Stordal, Eystein; Morken, Gunnar; Kallestad, Håvard; Heuch, Ingrid; Zwart, John-Anker; Fjukstad, Katrine Kveli; Pedersen, Linda Margareth; Johnsen, Marianne Bakke; Skrove, Marit Synnøve; Indredavik, Marit Sæbø; Drange, Ole Kristian; Bjerkeset, Ottar; Børte, Sigrid; Stensland, Synne; Choquet, Hélène; Docherty, Anna R.; Faul, Jessica D.; Foerster, Johanna R.; Fritsche, Lars; Gabrielsen, Maiken Elvestad; Gordon, Scott D.; Haessler, Jeffrey; Hottenga, Jouke-Jan; Huang, Hongyan; Jang, Seon-Kyeong; Jansen, Philip R.; Ling, Yueh; Mägi, Reedik; Matoba, Nana; McMahon, George; Mulas, Antonella; Orrú, Valeria; Palviainen, Teemu; Pandit, Anita; Reginsson, Gunnar W.; Smith, Jennifer A.; Taylor, Amy E.; Turman, Constance; Willemsen, Gonneke; Young, Hannah; Young, Kendra A.; Zajac, Gregory J.M.; Zhao, Wei; Zhou, Wei; Björnsdóttir, Gyda Thora; Boardman, Jason D.; Boehnke, Michael; Boomsma, Dorret I.; Chen, Chu; Davies, Gareth E.; Eaton, Charles B.; Winsvold, Bendik K S; Hveem, Kristian; Vrieze, Scott (Journal article; Peer reviewed, 2019)Tobacco and alcohol use are leading causes of mortality that influence risk for many complex diseases and disorders1. They are heritable2,3 and etiologically related4,5 behaviors that have been resistant to gene discovery ... -
Chronotype and cellular circadian rhythms predict the clinical response to lithium maintenance treatment in patients with bipolar disorder
McCarthy, Michael J.; Stautland, Andrea; Jakobsen, Petter; Ødegaard, Ketil Joachim; Andreassen, Ole Andreas; Djurovic, Srdjan; Morken, Gunnar; Schøyen, Helle Kristine; McInnis, Melvin G.; Alda, Martin; Gage, Fred H.; Calabrese, Joseph R.; Zandi, Peter P.; Nievergelt, Caroline M.; Shilling, Paul D.; Kelsoe, John R. (Journal article; Peer reviewed, 2018)Bipolar disorder (BD) is a serious mood disorder associated with circadian rhythm abnormalities. Risk for BD is genetically encoded and overlaps with systems that maintain circadian rhythms. Lithium is an effective mood ... -
Clinical characteristics of patients with bipolar disorder and premorbid traumatic brain injury: a cross-sectional study
Drange, Ole Kristian; Vaaler, Arne; Morken, Gunnar; Andreassen, Ole Andreas; Malt, Ulrik Fredrik; Finseth, Per Ivar (Journal article; Peer reviewed, 2018)Background About one in ten diagnosed with bipolar disorder (BD) has experienced a premorbid traumatic brain injury (TBI), while not fulfilling the criteria of bipolar and related disorder due to another medical condition ... -
Cognitive behavioral therapy for insomnia in euthymic bipolar disorder: study protocol for a randomized controlled trial
Steinan, Mette Kvisten; Krane-Gartiser, Karoline; Langsrud, Knut; Sand, Trond; Kallestad, Håvard; Morken, Gunnar (Journal article; Peer reviewed, 2014)Background Patients with bipolar disorder experience sleep disturbance, even in euthymic phases. Changes in sleep pattern are frequent signs of a new episode of (hypo)mania or depression. Cognitive behavioral therapy for ... -
Differences between patients’ and clinicians’ report of sleep disturbance: a field study in mental health care in Norway
Kallestad, Håvard; Hansen, Bjarne; Langsrud, Knut; Ruud, Torleif; Morken, Gunnar; Stiles, Tore C; Gråwe, Rolf W. (Journal article; Peer reviewed, 2011)Background The aims of the study was to assess the prevalence of diagnosed insomnia and the agreement between patient- and clinician-reported sleep disturbance and use of prescribed hypnotic medication in patients in ... -
Differences in acute psychiatric admissions between asylum seekers and refugees
Iversen, Valentina C; Morken, Gunnar (Journal article; Peer reviewed, 2004) -
Differences in course of illness between patients with bipolar II disorder with and without epileptiform discharges or other sharp activity on electroencephalograms: a cross-sectional study
Drange, Ole Kristian; Sæther, Sverre Georg; Finseth, Per Ivar; Morken, Gunnar; Vaaler, Arne; Arntsen, Vibeke; Henning, Oliver Johannes; Andreassen, Ole Andreas; Elvsåshagen, Torbjørn; Malt, Ulrik Fredrik; Bøen, Erlend (Peer reviewed; Journal article, 2020)Background A diagnosis of bipolar II disorder requires that the symptoms cannot be better explained by a medical condition. Epilepsy is in some cases associated with an affective syndrome mimicking an unstable bipolar ... -
Effects of digital cognitive behavioural therapy for insomnia on insomnia severity: a large-scale randomised controlled trial
Vedaa, Øystein; Kallestad, Håvard; Scott, Janine Linda; Smith, Otto Robert Frans; Pallesen, Ståle; Morken, Gunnar; Langsrud, Knut; Gehrman, Philip; Thorndike, Frances P.; Ritterband, Lee M.; Harvey, Allison G.; Stiles, Tore C; Sivertsen, Børge (Peer reviewed; Journal article, 2020)Background Although several large-scale randomised controlled trials have shown the efficacy of digital cognitive behavioural therapy for insomnia (dCBT-I), there is a need to validate widespread dissemination of dCBT-I ... -
Effects of high-intensity aerobic exercise on psychotic symptoms and neurocognition in outpatients with schizophrenia: study protocol for a randomized controlled trial
Engh, John; Andersen, Eivind; Holmen, Tom Langerud; Martinsen, Egil Wilhelm; Mordal, Jon; Morken, Gunnar; Egeland, Jens (Journal article; Peer reviewed, 2015)Background The focus in recent years on physical inactivity and metabolic disturbances in individuals with schizophrenia raises the question of potential effects of physical activity. Physical activity has shown beneficial ...