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2020
1 Berg, Akiah Ottesen; Holt, Karin.
Kultur og kontekst i praktisk psykologarbeid. Gyldendal Akademisk 2020 (ISBN 9788205467934)
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2 Laskemoen, Jannicke Fjæra; Aas, Monica; Vaskinn, Anja; Berg, Akiah Ottesen; Lunding, Synve Hoffart; Barrett, Elizabeth Ann; Melle, Ingrid; Simonsen, Carmen Elisabeth.
Sleep Disturbance Mediates the Link Between Childhood Trauma and Clinical Outcome in Severe Mental Disorders. Psychological Medicine 2020
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2018
3 Aminoff, Sofie Ragnhild; Henry, Chantal; Bettella, Francesco; Etain, Bruno; Berg, Akiah Ottesen; Lagerberg, Trine Vik; Bjella, Thomas; Aas, Monica; Djurovic, Srdjan; Bellivier, Frank; Andreassen, Ole Andreas; Melle, Ingrid.
Affective lability and polygenic risk in bipolar disorder. IEPA 11th international conference on eraly intervention in mental health; 2018-10-07 - 2018-10-10
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4 Berg, Akiah Ottesen; Jørgensen, Kjetil Nordbø; Nerhus, Mari; Athanasiu, Lavinia; Popejoy, Alice; Bettella, Francesco; Norbom, Linn Christin Bonaventure; Gurholt, Tiril Pedersen; Dahl, Sandra Rinne; Andreassen, Ole Andreas; Djurovic, Srdjan; Agartz, Ingrid; Melle, Ingrid.
Vitamin D levels, brain volume, and genetic architecture in patients with psychosis. PLOS ONE 2018 ;Volume 13.(8) p. -
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5 Berg, Akiah Ottesen; Melle, Ingrid; Nerhus, Mari.
ENVIRONAMNETAL RISK FACTORS AND SYMPTOMS IN IMMIGRANTS WITH PSYCHOTIC DISORDER. Foredrag og poster; 2018-09-27 - 2018-09-30
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6 Bækkelund, Harald; Frewen, Paul; Lanius, Ruth; Berg, Akiah Ottesen; Arnevik, Espen Kristian.
Trauma-related altered states of consciousness in post-traumatic stress disorder patients with or without comorbid dissociative disorders.. European Journal of Psychotraumatology 2018 ;Volume 9:1544025. p. 1-12
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7 Gurholt, Tiril Pedersen; Nerhus, Mari; Osnes, Kåre; Berg, Akiah Ottesen; Andreassen, Ole Andreas; Melle, Ingrid; Agartz, Ingrid.
Hippocampus volume reduction in psychosis spectrum could be ameliorated by vitamin D. Schizophrenia Research 2018 ;Volume 199. p. 433-435
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8 Gurholt, Tiril Pedersen; Osnes, Kåre; Nerhus, Mari; Jørgensen, Kjetil Nordbø; Lonning, Vera Louise Hiorth; Berg, Akiah Ottesen; Andreassen, Ole Andreas; Melle, Ingrid; Agartz, Ingrid.
Vitamin D, Folate and the Intracranial Volume in Schizophrenia and Bipolar Disorder and Healthy Controls. Scientific Reports 2018 ;Volume 8. p. -
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9 Walton, E; Hibar, Derrek; Van Erp, Theo G M; Potkin, Steven G; Roiz-Santiañez, Roberto; Crespo-Facorro, B; Suarez-Pinilla, Paula; van Haren, Neeltje E.M.; de Zwarte, Sonja M.C.; Kahn, René S; Cahn, Wiepke; Doan, Nhat Trung; Jørgensen, Kjetil Nordbø; Gurholt, Tiril Pedersen; Agartz, Ingrid; Andreassen, Ole Andreas; Westlye, Lars Tjelta; Melle, Ingrid; Berg, Akiah Ottesen; Mørch-Johnsen, Lynn Egeland; Færden, Ann; Flyckt, Lena; Fatouros-Bergman, Helena; Jönsson, Erik Gunnar; Hashimoto, Ryota; Yamamori, Hidenaga; Fukunaga, Masaki; Jahanshad, Neda; De Rossi, Pietro; Piras, Fabrizio; Banaj, Nerisa; Spalletta, Gianfranco; Gur, Raquel E; Gur, Ruben C; Wolf, Daniel H.; Satterthwaite, TD; Beard, Lauren M.; Sommer, Iris E; Koops, Sanne; Gruber, Oliver; Richter, A; Krämer, Bernhard; Kelly, S; Donohoe, G; McDonald, C; Cannon, Dara M; Corvin, Aiden; Gill, M; Di Giorgio, Annabella; Bertolino, A; Lawrie, Stephen M; Nickson, Thomas; Whalley, Heather Clare; Neilson, Emma; Calhoun, Vince D.; Thompson, Paul Murray; Turner, J A; Ehrlich, S.
Prefrontal cortical thinning links to negative symptoms in schizophrenia via the ENIGMA consortium. Psychological Medicine 2018 ;Volume 48.(1) p. 82-94
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2017
10 Berg, Akiah Ottesen; Melle, Ingrid; Zuber, Verena; Simonsen, Carmen Elisabeth; Nerhus, Mari; Ueland, Torill; Andreassen, Ole Andreas; Sundet, Kjetil Søren; Vaskinn, Anja.
Modelling difficulties in abstract thinking in psychosis: the importance of socio-developmental background. Cognitive Neuropsychiatry 2017 ;Volume 22.(1) p. 39-52
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11 Gurholt, Tiril Pedersen; Nerhus, Mari; Osnes, Kåre; Jørgensen, Kjetil Nordbø; Berg, Akiah Ottesen; Andreassen, Ole Andreas; Melle, Ingrid; Agartz, Ingrid.
Age-Related Effect of Vitamin D on Hippocampus Volume in Schizophrenia and Bipolar Disorder. International Congress on Schizophrenia Research; 2017-03-24 - 2017-03-28
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12 Kaufmann, Tobias; Alnæs, Dag; Brandt, Christine Lycke; Doan, Nhat Trung; Kauppi, Karolina; Bettella, Francesco; Lagerberg, Trine Vik; Berg, Akiah Ottesen; Djurovic, Srdjan; Agartz, Ingrid; Melle, Ingrid; Ueland, Torill; Andreassen, Ole Andreas; Westlye, Lars Tjelta.
Task modulations and clinical manifestations in the brain functional connectome in 1615 fMRI datasets. NeuroImage 2017 ;Volume 147. p. 243-252
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13 Nerhus, Mari; Berg, Akiah Ottesen; Simonsen, Carmen Elisabeth; Haram, Marit; Haatveit, Beathe Christin; Dahl, Sandra Rinne; Gurholt, Tiril Pedersen; Bjella, Thomas; Ueland, Torill; Andreassen, Ole Andreas; Melle, Ingrid.
Vitamin D deficiency associated with cognitive functioning in psychotic disorders. Journal of Clinical Psychiatry 2017 ;Volume 78.(7) p. e750-e757
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14 Simonsen, Carmen Elisabeth; Færden, Ann; Romm, Kristin Lie; Berg, Akiah Ottesen; Bjella, Thomas; Sundet, Kjetil Søren; Ueland, Torill; Andreassen, Ole Andreas; Melle, Ingrid.
Early clinical recovery in first-episode psychosis: Symptomatic remission and its correlates at 1-year follow-up. Psychiatry Research 2017 ;Volume 254. p. 118-125
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15 Walton, Esther Fintan; Hibar, Derrek; Van Erp, Theo G.M.; Potkin, Steven G.; Roiz-Santiáñez, Roberto; Crespo-Facorro, Benedicto; Suarez-Pinilla, Paula; van Haren, Neeltje E.M.; de Zwarte, Sonja M.C.; Kahn, René S.; Cahn, Wiepke; Doan, Nhat Trung; Jørgensen, Kjetil Nordbø; Gurholt, Tiril Pedersen; Agartz, Ingrid; Andreassen, Ole Andreas; Westlye, Lars Tjelta; Melle, Ingrid; Berg, Akiah Ottesen; Mørch-Johnsen, Lynn; Færden, Ann; Flyckt, Lena; Fatouros-Bergman, Helena; Jönsson, Erik Gunnar; Hashimoto, Ryota; Yamamori, Hidenaga; Fukunaga, Masaki; Preda, Adrian; De Rossi, Pietro; Piras, Fabrizio; Banaj, Nerisa; Ciullo, Valentina; Spalletta, Gianfranco; Gur, Raquel E.; Gur, Ruben C.; Wolf, Daniel H.; Satterthwaite, Theaodore D.; Beard, Lauren M.; Sommer, Iris E.; Koops, Sanne; Gruber, Oliver; Richter, Anja; Krämer, B.; Kelly, Sinéad; Donohoe, Gary J.; McDonald, Colm; Cannon, Dara M.; Corvin, Aiden; Gill, Michael; Di Giorgio, Annabella; Bertolino, Alessandro; Lawrie, Stephen M.; Nickson, Thomas; Whalley, Heather Clare; Neilson, Emma; Calhoun, Vince D.; Thompson, Paul Murray; Turner, Jessica A.; Ehrlich, Stefan.
Positive symptoms associate with cortical thinning in the superior temporal gyrus via the ENIGMA Schizophrenia consortium. Acta Psychiatrica Scandinavica 2017 ;Volume 135.(5) p. 439-447
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16 Østefjells, Tiril; Lystad, June Ullevoldsæter; Berg, Akiah Ottesen; Hagen, Roger; Loewy, R; Sandvik, Leiv; Melle, Ingrid; Røssberg, Jan Ivar.
Metacognitive beliefs mediate the effect of emotional abuse on depressive and psychotic symptoms in severe mental disorders. Psychological Medicine 2017 ;Volume 47.(13) p. 2323-2333
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2016
17 Aas, Monica; Andreassen, Ole Andreas; Aminoff, Sofie Ragnhild; Færden, Ann; Romm, Kristin Lie; Nesvåg, Ragnar; Berg, Akiah Ottesen; Simonsen, Carmen Elisabeth; Agartz, Ingrid; Melle, Ingrid.
A history of childhood trauma is associated with slower improvement rates: Findings from a one-year follow-up study of patients with a first-episode psychosis. BMC Psychiatry 2016 ;Volume 16. p. -
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18 Nerhus, Mari; Berg, Akiah Ottesen; Kvitland, Levi Røstad; Dieset, Ingrid; Hope, Sigrun; Dahl, Sandra Rinne; Weibell, Melissa Anne E.a; Romm, Kristin Lie; Færden, Ann; Andreassen, Ole Andreas; Melle, Ingrid.
Low vitamin D is associated with negative and depressive symptoms in psychotic disorders. Schizophrenia Research 2016 ;Volume 178.(1-3) p. 44-49
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2015
19 Aminoff, Sofie Ragnhild; Berg, Akiah Ottesen; Lagerberg, Trine Vik; Melle, Ingrid; Simonsen, Carmen Elisabeth; Ueland, Torill; Aas, Monica.
Psykose og Samfunn. Universitetsforlaget 2015 (ISBN 978-82-15-02469-1) 210 p.
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20 Aminoff, Sofie Ragnhild; Lagerberg, Trine Vik; Melle, Ingrid; Berg, Akiah Ottesen; Simonsen, Carmen Elisabeth; Ueland, Toril; Aas, Monica.
Psykose og samfunn. Universitetsforlaget 2015 (ISBN 9788215024691) 208 p.
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21 Berg, Akiah Ottesen.
Clinical and socio-cultural insight in immigrants in their first episode of psychosis. 5th European Conference on Schizophrenia Research; 2015-09-24 - 2015-09-26
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22 Berg, Akiah Ottesen.
Differensialdiagnostikk ved traumelidelser. Nasjonal ROP tjeneste; 2015-08-14
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23 Berg, Akiah Ottesen.
Differensialdiagnostiske vurderinger ved schizofreni og komplekse dissosiative lidelser. BestPractice Psykiatri/Nevrologi/Geriatri 2015 (23) p. 34-36
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24 Berg, Akiah Ottesen.
Migrasjon og symptomprofiler ved psykoselidelser. PSYKISK HELSE OG RUSMIDDELFORSKNING Ubehag i kulturen eller kultur i ubehaget; 2015-02-02 - 2015-02-04
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25 Berg, Akiah Ottesen.
Psykoterapeutisk behandling av høyrisikogrupper. NyhetsTIPS [Business/trade/industry journal] 2015-06-15
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26 Berg, Akiah Ottesen.
Traume, dissosiasjon og psykose i et transkulturelt perspektiv. Trauma, Dissociation and Psychosis. 1st International conference; 2015-06-03 - 2015-06-05
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27 Berg, Akiah Ottesen; Aas, Monica; Larsson, Sara; Nerhus, Mari; Hauff, Edvard; Andreassen, Ole Andreas; Melle, Ingrid.
Childhood trauma mediates the association between ethnic minority status and more severe hallucinations in psychotic disorder. Psychological Medicine 2015 ;Volume 45.(01) p. 133-142
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28 Berg, Akiah Ottesen; Barrett, Elizabeth Ann; Nerhus, Mari; Buchmann, Camilla Bakkalia; Simonsen, Carmen Elisabeth; Færden, Ann; Andreassen, Ole Andreas; Melle, Ingrid.
Psychosis: clinical insight and beliefs in immigrants in their first episode. Early Intervention in Psychiatry 2015 ;Volume 12.(2) p. 185-192
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29 Berg, Akiah Ottesen; Bækkelund, Harald.
Differensialdiagnostiske vurderinger ved schizofreni og komplekse dissosiative lidelser. Tidsskrift for Norsk Psykologforening 2015 ;Volume 52.(3) p. 247-254
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30 Berg, Akiah Ottesen; Nerhus, Mari.
Tran og D-Vitamin: Enda sunnere enn du tror?. Forskningsrådet [Internet] 2015-03-24
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31 Berg, Akiah Ottesen; Wiig, Frøy Lode.
Intervju med Akiah Ottesen Berg om traumer, dissosiasjon og psykose i et transkulturelt perspektiv. You Tube/ROP-TV [Internet] 2015-08-21
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32 Nerhus, Mari; Berg, Akiah Ottesen; Dahl, Sandra Rinne; Holvik, Kristin; Gardsjord, Erlend Strand; Weibell, Melissa Anne E.a; Bjella, Thomas; Andreassen, Ole Andreas; Melle, Ingrid.
Vitamin D status in psychotic disorder patients and healthy controls - The influence of ethnic background. Psychiatry Research 2015 ;Volume 230.(2) p. 616-621
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33 Nerhus, Mari; Berg, Akiah Ottesen; Melle, Ingrid.
Migrant background and visible ethnic minority status as predictors for duration of untreated psychosis. ECSR 2015 Berlin; 2015-09-24 - 2015-09-26
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34 Nerhus, Mari; Berg, Akiah Ottesen; Melle, Ingrid; Andreassen, Ole Andreas.
Vitamin D status in psychotic disorder patients and healthy controls -The influence of ethnic background. Poster; 2015-04-22 - 2015-04-24
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2014
35 Berg, Akiah Ottesen.
Cultural aspects in mental health research. Introduksjon til tverrdisiplinær forskning i psykiatri og rus; 2014-03-07 - 2014-03-07
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36 Berg, Akiah Ottesen.
Hallucination, trauma and psychosis. Norment annual retreat 2014; 2014-09-16 - 2014-09-17
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37 Berg, Akiah Ottesen; Aas, Monica; Andreassen, Ole Andreas; Hauff, Edvard; Larsson, Sara; Melle, Ingrid; Nerhus, Mari.
Childhood Trauma Mediates the Association Between Ethnic Minority Status and More Severe Hallucinations in Psychotic Disorder. 9th International conference on early psychosis; 2014-11-17 - 2014-11-19
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38 Berg, Akiah Ottesen; Aas, Monica; Larsson, Sara; Nerhus, Mari; Hauff, Edvard; Andreassen, Ole Andreas; Melle, Ingrid.
Childhood Trauma Mediates the Association Between Ethnic Minority Status and More Severe Hallucinations in Psychotic Disorder. Schizophrenia international research society; 2014-04-05 - 2014-04-09
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39 Berg, Akiah Ottesen; Andreassen, Ole Andreas; Aminoff, Sofie Ragnhild; Romm, Kristin Lie; Hauff, Edvard; Melle, Ingrid.
The impact of immigration and visible minority status on psychosis symptom profile. Social Psychiatry and Psychiatric Epidemiology 2014 ;Volume 49.(11) p. 1747-1757
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40 Berg, Akiah Ottesen; Barrett, Elizabeth Ann; Melle, Ingrid.
Insight over time in first generation immigrants with first episode psychosis. 9th International conference on early psychosis; 2014-11-17 - 2014-11-19
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41 Berg, Akiah Ottesen; Treider, Margrethe.
Erfaringsrapport: Stabiliseringsgruppe for arabisktalende men, Helsesenteret for papirløse migranter. Oslo: Røde kors/Kirkens bymisjon 2014 12 p.
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42 Berg, Akiah Ottesen; Treider, Margrethe.
Trauma, Mental Health, and Undocumented Migration. ESTD 2014 CONFERENCE; 2014-03-27 - 2014-03-29
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43 Bækkelund, Harald; Berg, Akiah Ottesen.
Kartlegging og diagnostisering av traumerelaterte lidelser. I: Traumebehandling Komplekse traumelidelser og dissosiasjon. Universitetsforlaget 2014 ISBN 978-82-15-02117-1. p. 78-99
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2013
44 Aminoff, Sofie Ragnhild; Hellvin, Tone; Lagerberg, Trine Vik; Berg, Akiah Ottesen; Andreassen, Ole Andreas; Melle, Ingrid.
Neurocognitive features in subgroups of bipolar disorder. Bipolar Disorders 2013 ;Volume 15.(3) p. 272-283
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45 Hope, Sigrun; Ueland, Thor; Steen, Nils Eiel; Dieset, Ingrid; Lorentzen, Steinar; Berg, Akiah Ottesen; Agartz, Ingrid; Aukrust, Pål; Andreassen, Ole Andreas.
Interleukin 1 receptor antagonist and soluble tumor necrosis factor receptor 1 are associated with general severity and psychotic symptoms in schizophrenia and bipolar disorder. Schizophrenia Research 2013 ;Volume 145.(1-3) p. 36-42
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46 Nerhus, Mari; Berg, Akiah Ottesen; Haram, Marit; Kvitland, Levi Røstad; Andreassen, Ole Andreas; Melle, Ingrid.
Migrant background and ethnic minority status as predictors for duration of untreated psychosis. Early Intervention in Psychiatry 2013
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47 Ringen, Petter Andreas; Melle, Ingrid; Berg, Akiah Ottesen; Agartz, Ingrid; Spigset, Olav; Simonsen, Carmen Elisabeth; Sundet, Kjetil Søren; Andreassen, Ole Andreas.
Cannabis use and premorbid functioning as predictors of poorer neurocognition in schizophrenia spectrum disorder. Schizophrenia Research 2013 ;Volume 143.(1) p. 84-89
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2012
48 Berg, Akiah Ottesen.
Psykose hos innvandrere. BestPractice Psykiatri/Nevrologi/Geriatri 2012 (9) p. 38-41
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49 Berg, Akiah Ottesen; Treider, Margrethe.
ErfaringsrapportStabiliseringsgruppe for etiopiske og eritreiske kvinner ved Helsesenteret for papirløse migranter i Oslo høsten 2012. Oslo: Røde kors/Kirkens bymisjon 2012 25 p.
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2011
50 Berg, Akiah Ottesen.
Psychosis in immigrants : a cross-sectional study of symptom profile and environmental stressors. Unipub forlag 2011 (ISBN 978-82-8264-029-9) Series of dissertations submitted to the Faculty of Medicine, University of Oslo(1159)
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