Aleksander Hagen Erga
Adjunct Associate Professor
Contact
Email: aleksander.h.erga@uis.no
Department
Faculty of Social Sciences
Department of Social Studies
Publications
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Hetland, Jens; Lundervold, Astri J. ; Erga, Aleksander Hagen
(2024)
Correction to: Cognitive impairment as a predictor of long-term psychological distress in patients with polysubstance use disorders: a prospective longitudinal cohort study (BMC Psychiatry, (2024), 24, 1, (143), 10.1186/s12888-024-05600-x).BMC Psychiatry.
ISSN 1471-244X.
Volum 24.
Hefte 1.
Erga, Aleksander Hagen; Alves, Guido Werner; Leentjens, Albert F.G.
(2023)
Corrigendum to “The ePark study protocol: A decentralized trial of individual video-assisted cognitive behavioural therapy for depressive disorder in Parkinson's disease” [Contemp. Clinic. Trials Commun. 32 (2023) 101080](S2451865423000261)(10.1016/j.conctc.2023.101080).Contemporary Clinical Trials Communications.
ISSN 2451-8654.
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.
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.
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.