Publications 2023

Ganotice F, Zheng B, Ng PY, Leung SC, Barrett EA, Chan HYC, Chan CWN, Chan KWS, Chan L, Chan MKK, Chan SLP, Chan SCS, Chan EWY, Chen J, Cheuk YYJ, Chong YKD, Chow YMA, Chu KPJ, Chung HYB, Ho SYA, Jen J, Jin J, Khoo US, Lam HYA, Lam MPS et al. (2023)
Towards a global partnership model in interprofessional education for cross-sector problem-solving
BMC Med Educ, 23 (1), 457
DOI 10.1186/s12909-023-04290-5, PubMed 37340427

Glastad SH, Aminoff SR, Hagen R, Høegh MC, Büchmann CB, Barrett EA, Melle I, Etain B, Lagerberg TV (2023)
Nicotine use and non-pathological alcohol use and their relationship to affective symptoms and sleep disturbances in bipolar disorder
J Affect Disord, 327, 236-243
DOI 10.1016/j.jad.2023.02.003, PubMed 36746243

Publications 2022

Aminoff SR, Mork E, Barrett EA, Simonsen C, Ten Velden Hegelstad W, Lagerberg TV, Melle I, Romm KL (2022)
Locked out during COVID-19 lockdown-an online survey of relatives of people with psychotic and bipolar disorders in Norway
BMC Public Health, 22 (1), 294
DOI 10.1186/s12889-022-12625-y, PubMed 35151293

Barrett EA, Simonsen C, Aminoff SR, Hegelstad WTV, Lagerberg TV, Melle I, Mork E, Romm KL (2022)
The COVID-19 pandemic impact on wellbeing and mental health in people with psychotic and bipolar disorders
Brain Behav, 12 (5), e2559
DOI 10.1002/brb3.2559, PubMed 35385888

Mork E, Aminoff SR, Barrett EA, Simonsen C, Hegelstad WTV, Lagerberg TV, Melle I, Romm KL (2022)
COVID-19 lockdown - who cares? The first lockdown from the perspective of relatives of people with severe mental illness
BMC Public Health, 22 (1), 1104
DOI 10.1186/s12889-022-13458-5, PubMed 35655294

Publications 2021

Lagerberg TV, Icick R, Aminoff SR, Nerhus M, Barrett EA, Bjella TD, Olsen SH, Høegh MC, Melle I (2021)
Substance Misuse Trajectories and Risk of Relapse in the Early Course of Bipolar Disorder
Front Psychiatry, 12, 656912
DOI 10.3389/fpsyt.2021.656912, PubMed 34017275

O'Connell KS, Frei O, Bahrami S, Smeland OB, Bettella F, Cheng W, Chu Y, Hindley G, Lin A, Shadrin A, Barrett EA, Lagerberg TV, Steen NE, Dale AM, Djurovic S, Andreassen OA (2021)
Characterizing the Genetic Overlap Between Psychiatric Disorders and Sleep-Related Phenotypes
Biol Psychiatry, 90 (9), 621-631
DOI 10.1016/j.biopsych.2021.07.007, PubMed 34482950

Takizawa N, Melle I, Barrett EA, Nerhus M, Ottesen AA (2021)
The Influence of Mental Health Literacy, Migration, and Education on the Duration of Untreated Psychosis
Front Public Health, 9, 705397
DOI 10.3389/fpubh.2021.705397, PubMed 34368068

Publications 2020

Barrett EA, Aminoff SR, Simonsen C, Romm KL (2020)
Opening the curtains for better sleep in psychotic disorders - considerations for improving sleep treatment
Compr Psychiatry, 103, 152207
DOI 10.1016/j.comppsych.2020.152207, PubMed 32977246

Familiar I, Boivin M, Magen J, Azcorra JA, Phippen C, Barrett EA, Miller S, Ruisenor-Escudero H (2020)
Neurodevelopment outcomes in infants born to women with Zika virus infection during pregnancy in Mexico
Child Care Health Dev, 47 (3), 311-318
DOI 10.1111/cch.12842, PubMed 33332632

Laskemoen JF, Aas M, Vaskinn A, Berg AO, Lunding SH, Barrett EA, Melle I, Simonsen C (2020)
Sleep disturbance mediates the link between childhood trauma and clinical outcome in severe mental disorders
Psychol Med, 51 (14), 2337-2346
DOI 10.1017/S0033291720000914, PubMed 32321600

Publications 2019

Laskemoen JF, Büchmann C, Barrett EA, Collier-Høegh M, Haatveit B, Vedal TJ, Ueland T, Melle I, Aas M, Simonsen C (2019)
Do sleep disturbances contribute to cognitive impairments in schizophrenia spectrum and bipolar disorders?
Eur Arch Psychiatry Clin Neurosci, 270 (6), 749-759
DOI 10.1007/s00406-019-01075-0, PubMed 31587109

Laskemoen JF, Simonsen C, Büchmann C, Barrett EA, Bjella T, Lagerberg TV, Vedal TJ, Andreassen OA, Melle I, Aas M (2019)
Sleep disturbances in schizophrenia spectrum and bipolar disorders - a transdiagnostic perspective
Compr Psychiatry, 91, 6-12
DOI 10.1016/j.comppsych.2019.02.006, PubMed 30856497

Simonsen C, Aminoff SR, Vaskinn A, Barrett EA, Faerden A, Ueland T, Andreassen OA, Romm KL, Melle I (2019)
Perceived and experienced stigma in first-episode psychosis: A 1-year follow-up study
Compr Psychiatry, 95, 152134
DOI 10.1016/j.comppsych.2019.152134, PubMed 31669787

Publications 2018

Barrett EA, Lam W, Yiu EML (2018)
Elicitation of Minimum and Maximum Fundamental Frequency and Vocal Intensity: Discrete Half Steps Versus Glissando
J Voice, 34 (2), 179-196
DOI 10.1016/j.jvoice.2018.09.023, PubMed 30385012

Barrett EAM (2018)
Star Light, Star Bright
Nurs Sci Q, 31 (1), 99
DOI 10.1177/0894318417741123, PubMed 29235964

Büchmann CB, Pedersen G, Aminoff SR, Laskemoen JF, Barrett EA, Melle I, Lagerberg TV (2018)
Validity of the Birchwood insight scale in patients with schizophrenia spectrum- and bipolar disorders
Psychiatry Res, 272, 715-722
DOI 10.1016/j.psychres.2018.12.072, PubMed 30832191

Publications 2017

Barrett EAM (2017)
Again, What Is Nursing Science?
Nurs Sci Q, 30 (2), 129-133
DOI 10.1177/0894318417693313, PubMed 28899250

Publications 2015

Barrett EA, Mork E, Færden A, Nesvåg R, Agartz I, Andreassen OA, Melle I (2015)
The development of insight and its relationship with suicidality over one year follow-up in patients with first episode psychosis
Schizophr Res, 162 (1-3), 97-102
DOI 10.1016/j.schres.2015.01.004, PubMed 25620119

Berg AO, Barrett EA, Nerhus M, Büchman C, Simonsen C, Faerden A, Andreassen OA, Melle I (2015)
Psychosis: clinical insight and beliefs in immigrants in their first episode
Early Interv Psychiatry, 12 (2), 185-192
DOI 10.1111/eip.12297, PubMed 26663787

Publications 2013

Faerden A, Barrett EA, Nesvåg R, Friis S, Finset A, Marder SR, Ventura J, Andreassen OA, Agartz I, Melle I (2013)
Apathy, poor verbal memory and male gender predict lower psychosocial functioning one year after the first treatment of psychosis
Psychiatry Res, 210 (1), 55-61
DOI 10.1016/j.psychres.2013.02.007, PubMed 23489592

Larsson S, Aas M, Klungsøyr O, Agartz I, Mork E, Steen NE, Barrett EA, Lagerberg TV, Røssberg JI, Melle I, Andreassen OA, Lorentzen S (2013)
Patterns of childhood adverse events are associated with clinical characteristics of bipolar disorder
BMC Psychiatry, 13, 97
DOI 10.1186/1471-244X-13-97, PubMed 23522391

Mork E, Walby FA, Harkavy-Friedman JM, Barrett EA, Steen NE, Lorentzen S, Andreassen OA, Melle I, Mehlum L (2013)
Clinical characteristics in schizophrenia patients with or without suicide attempts and non-suicidal self-harm--a cross-sectional study
BMC Psychiatry, 13, 255
DOI 10.1186/1471-244X-13-255, PubMed 24106884

Publications 2012

Larsson S, Andreassen OA, Aas M, Røssberg JI, Mork E, Steen NE, Barrett EA, Lagerberg TV, Peleikis D, Agartz I, Melle I, Lorentzen S (2012)
High prevalence of childhood trauma in patients with schizophrenia spectrum and affective disorder
Compr Psychiatry, 54 (2), 123-7
DOI 10.1016/j.comppsych.2012.06.009, PubMed 22901835

Melle I, Barrett EA (2012)
Insight and suicidal behavior in first-episode schizophrenia
Expert Rev Neurother, 12 (3), 353-9
DOI 10.1586/ern.11.191, PubMed 22364334

Mork E, Mehlum L, Barrett EA, Agartz I, Harkavy-Friedman JM, Lorentzen S, Melle I, Andreassen OA, Walby FA (2012)
Self-harm in patients with schizophrenia spectrum disorders
Arch Suicide Res, 16 (2), 111-23
DOI 10.1080/13811118.2012.667328, PubMed 22551042

Phillips KA, Rogers J, Barrett EA, Glahn DC, Kochunov P (2012)
Genetic contributions to the midsagittal area of the corpus callosum
Twin Res Hum Genet, 15 (3), 315-23
DOI 10.1017/thg.2012.10, PubMed 22856367

Publications 2011

Steen NE, Lorentzen S, Barrett EA, Lagerberg TV, Hope S, Larsson S, Berg AO, Agartz I, Melle I, Berg JP, Andreassen OA (2011)
Sex-specific cortisol levels in bipolar disorder and schizophrenia during mental challenge--relationship to clinical characteristics and medication
Prog Neuropsychopharmacol Biol Psychiatry, 35 (4), 1100-7
DOI 10.1016/j.pnpbp.2011.03.008, PubMed 21420462

Steen NE, Methlie P, Lorentzen S, Hope S, Barrett EA, Larsson S, Mork E, Almås B, Løvås K, Agartz I, Melle I, Berg JP, Andreassen OA (2011)
Increased systemic cortisol metabolism in patients with schizophrenia and bipolar disorder: a mechanism for increased stress vulnerability?
J Clin Psychiatry, 72 (11), 1515-21
DOI 10.4088/JCP.10m06068yel, PubMed 21367348

Publications 2010

Barrett EA (2010)
Power as knowing participation in change: what's new and what's next
Nurs Sci Q, 23 (1), 47-54
DOI 10.1177/0894318409353797, PubMed 20026728

Barrett EA (2010)
Suicidality in psychotic disorders: demographical, clinical, and neurocognitive correlates
In Series of dissertations submitted to the Faculty of Social Sciences, University of Oslo, Unipub, Oslo, no. 245, 1 b. (flere pag.)
BIBSYS 112135218

Barrett EA, Sundet K, Faerden A, Agartz I, Bratlien U, Romm KL, Mork E, Rossberg JI, Steen NE, Andreassen OA, Melle I (2010)
Suicidality in first episode psychosis is associated with insight and negative beliefs about psychosis
Schizophr Res, 123 (2-3), 257-62
DOI 10.1016/j.schres.2010.07.018, PubMed 20685083

Barrett EA, Sundet K, Faerden A, Nesvåg R, Agartz I, Fosse R, Mork E, Steen NE, Andreassen OA, Melle I (2010)
Suicidality before and in the early phases of first episode psychosis
Schizophr Res, 119 (1-3), 11-7
DOI 10.1016/j.schres.2010.03.022, PubMed 20399077

Barrett EA, Sundet K, Simonsen C, Agartz I, Lorentzen S, Mehlum L, Mork E, Andreassen OA, Melle I (2010)
Neurocognitive functioning and suicidality in schizophrenia spectrum disorders
Compr Psychiatry, 52 (2), 156-63
DOI 10.1016/j.comppsych.2010.06.001, PubMed 21295222

Faerden A, Finset A, Friis S, Agartz I, Barrett EA, Nesvåg R, Andreassen OA, Marder SR, Melle I (2010)
Apathy in first episode psychosis patients: one year follow up
Schizophr Res, 116 (1), 20-6
DOI 10.1016/j.schres.2009.10.014, PubMed 19948392

Madrid MM, Barrett EA, Winstead-Fry P (2010)
A study of the feasibility of introducing therapeutic touch into the operative environment with patients undergoing cerebral angiography
J Holist Nurs, 28 (3), 168-74
DOI 10.1177/0898010110369173, PubMed 20585102

Nesvåg R, Lange EH, Faerden A, Barrett EA, Emilsson B, Ringen PA, Andreassen OA, Melle I, Agartz I (2010)
The use of screening instruments for detecting alcohol and other drug use disorders in first-episode psychosis
Psychiatry Res, 177 (1-2), 228-34
DOI 10.1016/j.psychres.2010.01.007, PubMed 20178887

Romm KL, Rossberg JI, Berg AO, Barrett EA, Faerden A, Agartz I, Andreassen OA, Melle I (2010)
Depression and depressive symptoms in first episode psychosis
J Nerv Ment Dis, 198 (1), 67-71
DOI 10.1097/NMD.0b013e3181c81fc0, PubMed 20061872

Steen NE, Tesli M, Kähler AK, Methlie P, Hope S, Barrett EA, Larsson S, Mork E, Løvås K, Røssberg JI, Agartz I, Melle I, Djurovic S, Lorentzen S, Berg JP, Andreassen OA (2010)
SRD5A2 is associated with increased cortisol metabolism in schizophrenia spectrum disorders
Prog Neuropsychopharmacol Biol Psychiatry, 34 (8), 1500-6
DOI 10.1016/j.pnpbp.2010.08.013, PubMed 20800085

Publications 2009

Faerden A, Friis S, Agartz I, Barrett EA, Nesvåg R, Finset A, Melle I (2009)
Apathy and functioning in first-episode psychosis
Psychiatr Serv, 60 (11), 1495-503
DOI 10.1176/ps.2009.60.11.1495, PubMed 19880468

Faerden A, Vaskinn A, Finset A, Agartz I, Ann Barrett E, Friis S, Simonsen C, Andreassen OA, Melle I (2009)
Apathy is associated with executive functioning in first episode psychosis
BMC Psychiatry, 9, 1
DOI 10.1186/1471-244X-9-1, PubMed 19133132

Larsson S, Lorentzen S, Mork E, Barrett EA, Steen NE, Lagerberg TV, Berg AO, Aminoff SR, Agartz I, Melle I, Andreassen OA (2009)
Age at onset of bipolar disorder in a Norwegian catchment area sample
J Affect Disord, 124 (1-2), 174-7
DOI 10.1016/j.jad.2009.10.031, PubMed 19931918

Publications 2008

Fawcett J, Barrett EA, Wright BW (2008)
Development of a new conceptual model of nursing
Nurs Outlook, 56 (2), 49
DOI 10.1016/j.outlook.2008.01.003, PubMed 18374796

Publications 2007

Faerden A, Nesvåg R, Barrett EA, Agartz I, Finset A, Friis S, Rossberg JI, Melle I (2007)
Assessing apathy: the use of the Apathy Evaluation Scale in first episode psychosis
Eur Psychiatry, 23 (1), 33-9
DOI 10.1016/j.eurpsy.2007.09.002, PubMed 18029152

Publications 2004

Epstein GN, Halper JP, Barrett EA, Birdsall C, McGee M, Baron KP, Lowenstein S (2004)
A pilot study of mind-body changes in adults with asthma who practice mental imagery
Altern Ther Health Med, 10 (4), 66-71
PubMed 15285276

Publications 2003

Barrett EA, Malinski VM, Ann M, Phillips JR (2003)
The nurse theorists: 21st century updates--Martha E. Rogers. Interview by Jacqueline Fawcett
Nurs Sci Q, 16 (1), 44-51
DOI 10.1177/0894318402239066, PubMed 12593314

Publications 2002

Barrett EA (2002)
What is nursing science?
Nurs Sci Q, 15 (1), 51-60
DOI 10.1177/089431840201500109, PubMed 11873474

Publications 1999

Barrett EA (1999)
Selv-diskrepanser og forfølgelsesforestillinger: en empirisk studie
Universitetet i Oslo, Oslo, 1 b. (flere pag.)
BIBSYS 000134856, ISBN 82-569-1711-3

Publications 1998

Barrett EA (1998)
Unique nursing research methods: the diversity chant of pioneers
Nurs Sci Q, 11 (3), 94-6
DOI 10.1177/089431849801100303, PubMed 9923320

Barrett EA (1998)
A Rogerian practice methodology for health patterning
Nurs Sci Q, 11 (4), 136-8
DOI 10.1177/089431849801100402, PubMed 10214228

Barrett EA, Caroselli C (1998)
Methodological ponderings related to the power as knowing participation in change tool
Nurs Sci Q, 11 (1), 17-22
DOI 10.1177/089431849801100106, PubMed 9555425

Caroselli C, Barrett EA (1998)
A review of the power as knowing participation in change literature
Nurs Sci Q, 11 (1), 9-16
DOI 10.1177/089431849801100105, PubMed 9555424

Publications 1996

Barrett EA (1996)
Canonical correlation analysis and its use in Rogerian research
Nurs Sci Q, 9 (2), 50-2
DOI 10.1177/089431849600900203, PubMed 8710308

Publications 1995

Barrett EA (1995)
. . . more on therapeutic touch
Res Nurs Health, 18 (4), 378-9
PubMed 7624535

Publications 1994

Barrett EA (1994)
Rogerian scientists, artists, revolutionaries
NLN Publ (15-2610), 61-80; discussion 81-7
PubMed 8028988

Wheeler K, Barrett EA (1994)
Review and synthesis of selected nursing studies on teaching empathy and implications for nursing research and education
Nurs Outlook, 42 (5), 230-6
DOI 10.1016/0029-6554(94)90024-8, PubMed 7816656

Publications 1993

Barrett EA (1993)
Nursing centers without nursing frameworks: what's wrong with this picture?
Nurs Sci Q, 6 (3), 115-7
DOI 10.1177/089431849300600304, PubMed 8361710

Publications 1992

Barrett EA (1992)
Innovative imagery: a health patterning modality for nursing practice
J Holist Nurs, 10 (2), 154-66
PubMed 1301423

Parker GB, Barrett EA, Hickie IB (1992)
From nurture to network: examining links between perceptions of parenting received in childhood and social bonds in adulthood
Am J Psychiatry, 149 (7), 877-85
DOI 10.1176/ajp.149.7.877, PubMed 1609865

Publications 1991

Barrett EA (1991)
Space nursing
Cutis, 48 (4), 299-303
PubMed 1743064

Barrett EA (1991)
Theory: of or for nursing?
Nurs Sci Q, 4 (2), 48-9
DOI 10.1177/089431849100400202, PubMed 1844344

Barrett EA, Paletta J, Winstead-Fry P (1991)
Transcultural exploration of measurement scales for the study of Rogers' science of unitary human beings
Rogerian Nurs Sci News, 4 (1), 6
PubMed 1772701

Publications 1990

Barrett EA (1990)
Health patterning with clients in a private practice environment
NLN Publ (15-2285), 105-15
PubMed 2296521

Barrett EA (1990)
Rogerian patterns of scientific inquiry
NLN Publ (15-2285), 169-87
PubMed 2296527

Barrett EA (1990)
The continuing revolution of Rogers' science-based nursing education
NLN Publ (15-2285), 303-17
PubMed 2296532

Barrett EA (1990)
Rogers' science-based nursing practice
NLN Publ (15-2285), 31-44
PubMed 2296533

Barrett EA (1990)
Visions of Rogerian science in the future of humankind
NLN Publ (15-2285), 357-62
PubMed 2296537

Publications 1988

Barrett EA (1988)
Beginnings ... a message from the president
Rogerian Nurs Sci News, 1 (2), 1
PubMed 3272835

Barrett EA (1988)
Using Rogers' science of unitary human beings in nursing practice
Nurs Sci Q, 1 (2), 50-1
DOI 10.1177/089431848800100204, PubMed 3374889

Publications 1987

Anvaripour PL, Barrett EA, Weissman GK (1987)
Promoting an image of professionalism in nursing
J Nurs Adm, 17 (1), 4, 25
PubMed 3643257