Publikasjoner

Vitenskapelige publikasjoner

Moe, Fredrik Dreyer; Erga, Aleksander Hagen; Bjørnestad, Jone Ravndal; Dettweiler, Ulrich

(2024)

The interdependence of substance use, satisfaction with life, and psychological distress: a dynamic structural equation model analysis.

Frontiers in Psychiatry.

ISSN 1664-0640.

Volum 15.

DOI: 10.3389/fpsyt.2024.1288551

Hetland, Jens; Lundervold, Astri J. ; Erga, Aleksander Hagen

(2024)

Cognitive impairment as a predictor of long-term psychological distress in patients with polysubstance use disorders: a prospective longitudinal cohort study.

BMC Psychiatry.

ISSN 1471-244X.

Volum 24.

Hefte 1.

DOI: 10.1186/s12888-024-05600-x

Erga, Aleksander Hagen; Ushakova, Anastasia; Elstad, Maria; Grude Fodstad, Elise Constance; Belfrage, Anna

(2024)

The Relationship Between Self-Reported Childhood Maltreatment and Mental Health in Substance Use Disorders: A 6-Year Retrospective Analysis.

Journal of Dual Diagnosis (JDD).

ISSN 1550-4263.

DOI: 10.1080/15504263.2024.2338799

Grude Fodstad, Elise Constance; Erga, Aleksander Hagen; Pallesen, Ståle; Ushakova, Anastasia; Erevik, Eilin K.

(2024)

Personality traits as predictors of recovery among patients with substance use disorder.

Journal of Substance Use and Addiction Treatment.

ISSN 2949-8759.

Volum 162.

DOI: 10.1016/j.josat.2024.209360

Erga, Aleksander Hagen; Alves, Guido Werner; Leentjens, Albert F.G.

(2023)

The ePark study protocol: A decentralized trial of individual video-assisted cognitive behavioural therapy for depressive disorder in Parkinson's disease.

Contemporary Clinical Trials Communications.

ISSN 2451-8654.

Volum 32.

DOI: 10.1016/j.conctc.2023.101080

Hetland, Jens; Hagen, Egon; Lundervold, Astri J. ; Erga, Aleksander Hagen

(2023)

Performance on Cognitive Screening Tests and Long-Term Substance Use Outcomes in Patients with Polysubstance Use Disorder.

European Addiction Research.

ISSN 1022-6877.

DOI: 10.1159/000528921

Erga, Aleksander Hagen; Maple-Grødem, Jodi; Alves, Guido Werner

(2022)

Cannabis use in Parkinson’s disease—A nationwide online survey study.

Acta Neurologica Scandinavica.

ISSN 0001-6314.

Volum 145.

Hefte 6.

s.692-697.

DOI: 10.1111/ane.13602

Erga, Aleksander Hagen; Nesvåg, Sverre Martin; Dahlberg, Ingrid Elin; McKay, James R.

(2022)

Persistent sleep problems among people in recovery from substance use disorders: a mixed methods study.

Addiction Research and Theory.

ISSN 1606-6359.

s.1-9.

DOI: 10.1080/16066359.2022.2074406

Grude Fodstad, Elise Constance; Ushakova, Anastasia; Pallesen, Ståle; Hagen, Egon; Erga, Aleksander Hagen; Erevik, Eilin K.

(2022)

Personality and substance use disorder: Characteristics as measured by NEO-personality inventory–revised.

Frontiers in Psychology.

ISSN 1664-1078.

Volum 13.

DOI: 10.3389/fpsyg.2022.982763

Belfrage, Anna; Njå, Anne-Lill Mjølhus; Grude Fodstad, Elise Constance; Lunde, Siri; Årstad, Janne; Lid, Torgeir Gilje; Erga, Aleksander Hagen

(2022)

Traumatic experiences and PTSD symptoms in substance use disorder: A comparison of recovered versus current users.

Nordic Studies on Alcohol and Drugs (NAD).

ISSN 1455-0725.

Volum 40.

Hefte 1.

s.61-75.

DOI: 10.1177/14550725221122222

Svendsen, Thomas Solgaard; Veseth, Marius; McKay, James R.; Bjørnestad, Jone Ravndal; Erga, Aleksander Hagen; Moltu, Christian; Nesvåg, Sverre

(2021)

Securing Participant Engagement in Longitudinal Substance Use Disorder Recovery Research: A Qualitative Exploration of Key Retention Factors.

Journal of Psychosocial Rehabilitation and Mental Health.

ISSN 2198-9834.

Volum 8.

s.247-259.

DOI: 10.1007/s40737-021-00222-y

Hetland, Jens; Braatveit, Kirsten; Hagen, Egon; Lundervold, Astri J. ; Erga, Aleksander H.

(2021)

Prevalence and Characteristics of Borderline Intellectual Functioning in a Cohort of Patients With Polysubstance Use Disorder.

Frontiers in Psychiatry.

ISSN 1664-0640.

Volum 12.

s.1-9.

DOI: 10.3389/fpsyt.2021.651028

Erga, Aleksander Hagen; Hønsi, Audhild; Anda-Ågotnes, Liss Gøril; Nesvåg, Sverre Martin; Hesse, Morten; Hagen, Egon

(2020)

Trajectories of psychological distress during recovery from polysubstance use disorder.

Addiction Research and Theory.

ISSN 1606-6359.

s.1-8.

DOI: 10.1080/16066359.2020.1730822

Erga, Aleksander Hagen; Alves, Guido Werner; Tysnes, Ole-Bjørn; Pedersen, Kenn Freddy

(2020)

Impulsive and compulsive behaviors in Parkinson's disease: Impact on quality of and satisfaction with life, and caregiver burden.

Parkinsonism & Related Disorders.

ISSN 1353-8020.

Volum 78.

s.27-30.

DOI: 10.1016/j.parkreldis.2020.07.007

Hagen, Egon; Sømhovd, Mikael Julius; Hesse, Morten; Arnevik, Espen Kristian; Erga, Aleksander Hagen

(2019)

Measuring cognitive impairment in young adults with polysubstance use disorder with MoCA or BRIEF-A – The significance of psychiatric symptoms.

Journal of Substance Abuse Treatment.

ISSN 0740-5472.

Volum 97.

s.21-27.

DOI: 10.1016/j.jsat.2018.11.010

Bjørnestad, Jone Ravndal; Svendsen, Thomas Solgård; Slyngstad, Tale Ekeroth; Erga, Aleksander Hagen; McKay, James R.; Nesvåg, Sverre Martin; Skålevik, Alexander Wågan; Veseth, Marius; Moltu, Christian

(2019)

“A life more ordinary” Processes of 5-year recovery from substance abuse. Experiences of 30 recovered service users.

Frontiers in Psychiatry.

ISSN 1664-0640.

Volum 10.

s.1-9.

DOI: 10.3389/fpsyt.2019.00689

Erga, Aleksander Hagen; Alves, Guido Werner; Tysnes, Ole-Bjørn; Pedersen, Kenn Freddy

(2019)

Evolution of impulsive–compulsive behaviors and cognition in Parkinson’s disease.

Journal of Neurology.

ISSN 0340-5354.

Volum 267.

Hefte 1.

s.259-266.

DOI: 10.1007/s00415-019-09584-7

Molde, Helge; Moussavi, Yasaman; Kopperud, Stine Therese; Erga, Aleksander Hagen; Hansen, Anita Lill; Pallesen, Ståle

(2018)

Impulse-control disorders in Parkinson's Disease: A meta-analysis and review of case-control studies.

Frontiers in Neurology.

ISSN 1664-2295.

Volum 9:330.

s.1-15.

DOI: 10.3389/fneur.2018.00330

Erga, Aleksander Hagen; Dalen, Ingvild; Ushakova, Anastasia; Chung, Janete; Tzoulis, Charalampos; Tysnes, Ole-Bjørn; Alves, Guido; Pedersen, Kenn Freddy; Maple-Grødem, Jodi

(2018)

Dopaminergic and opioid pathways associated with impulse control disorders in Parkinson's disease.

Frontiers in Neurology.

ISSN 1664-2295.

Volum 9:109.

s.1-9.

DOI: 10.3389/fneur.2018.00109

Erga, Aleksander Hagen; Gjerstad, Michaela D; Alves, Guido Werner; Pedersen, Kenn Freddy

(2018)

Psykologisk behandling av ikke-motoriske symptomer ved parkinsons sykdom.

Tidsskrift for Norsk Psykologforening.

ISSN 0332-6470.

Volum 55.

Hefte 12.

s.1108-1116.

Erga, Aleksander Hagen; Alves, Guido; Larsen, Jan Petter; Tysnes, Ole-Bjørn; Pedersen, Kenn Freddy

(2017)

Impulsive and Compulsive Behaviors in Parkinson’s Disease: The Norwegian ParkWest Study.

Journal of Parkinson's Disease.

ISSN 1877-7171.

Volum 7.

Hefte 1.

s.183-191.

DOI: 10.3233/JPD-160977

Hagen, Egon; Erga, Aleksander Hagen; Hagen, Katrin Pedersen; Nesvåg, Sverre; McKay, James R.; Lundervold, Astri; Walderhaug, Espen

(2017)

One-year sobriety improves satisfaction with life, executive functions and psychological distress among patients with polysubstance use disorder.

Journal of Substance Abuse Treatment.

ISSN 0740-5472.

Volum 76.

s.81-87.

DOI: 10.1016/j.jsat.2017.01.016

Hagen, Egon; Erga, Aleksander Hagen; Nesvåg, Sverre; McKay, James R.; Lundervold, Astri; Walderhaug, Espen

(2017)

One-year abstinence improves ADHD symptoms among patients with polysubstance use disorder.

Addictive Behaviors Reports.

ISSN 2352-8532.

Volum 6.

s.96-101.

DOI: 10.1016/j.abrep.2017.08.005

Svendsen, Thomas Solgård; Erga, Aleksander Hagen; Hagen, Egon; McKay, James R.; Njå, Anne-Lill Mjølhus; Årstad, Janne; Nesvåg, Sverre

(2017)

How to Maintain High Retention Rates in Long-Term Research on Addiction: A Case Report.

Journal of Social Work Practice in The Addictions.

ISSN 1533-256X.

Volum 17.

Hefte 4.

s.374-387.

DOI: 10.1080/1533256X.2017.1361831

Erga, Aleksander Hagen; Kvernenes, Katrine Valvatne; Evensen, Kjersti Berge; Vika, Margrethe Elin

(2017)

Behandling av odontofobi for pasienter med post-traumatiske plager : en litteraturoversikt.

Den norske tannlegeforenings tidende.

ISSN 0029-2303.

Volum 127.

Hefte 8.

s.682-686.

Hagen, Egon; Erga, Aleksander Hagen; Hagen, Katrin Pedersen; Nesvåg, Sverre; McKay, James R.; Lundervold, Astri; Walderhaug, Espen

(2016)

Assessment of executive function in patients with substance use disorder: A comparison of inventory- and performance-based assessment.

Journal of Substance Abuse Treatment.

ISSN 0740-5472.

Volum 66.

s.1-8.

DOI: 10.1016/j.jsat.2016.02.010

Formidling

Bjåstad, Jon Fauskanger; Aas, Sigve Nyvik; Distefano, Marita Borg; Berglen, Gunnhild; Haugen, Nikolai Raaby; Gjestsen, Martha Therese; Erga, Aleksander Hagen; Pettersen, Ingvild; Nordvoll, Laila Yvonne; Sundstrøm, Mariann; Grimsgaard, Anne Sameline

(2024)

Brukermedvirkning i forskning – for lite, for sent.

Tidsskrift for Den norske legeforening.

ISSN 0029-2001.

DOI: 10.4045/tidsskr.23.0684

Oftedal, Linn Silje Wathne; Lange, Johannes; Pedersen, Kenn Freddy; Erga, Aleksander Hagen; Dalen, Ingvild; Tysnes, Ole-Bjørn; Alves, Guido Werner; Maple-Grødem, Jodi

(2023)

Early GCase activity is a predictor of long-term cognitive decline in Parkinson’s disease.

Translational Neurodegeneration.

ISSN 2096-6466.

Volum 12.

Hefte 1.

DOI: 10.1186/s40035-023-00373-x

Erga, Aleksander Hagen; Hetland, Jens; Braatveit, Kirsten Johanne

(2023)

Patients with cognitive deficits and substance use disorders, a clinical population in need of focused attention.

Frontiers in Psychiatry.

ISSN 1664-0640.

Volum 14.

DOI: 10.3389/fpsyt.2023.1281914

Erga, Aleksander Hagen; Bjørnestad, Anders; Tysnes, Ole-Bjørn; Alves, Guido; Pedersen, Kenn Freddy

(2018)

Is psychosis associated with impulse control disorders in Parkinson's disease?.

Parkinsonism & Related Disorders.

ISSN 1353-8020.

Volum 53.

s.110-111.

DOI: 10.1016/j.parkreldis.2018.04.026