Blar i Department of Biological and Medical Psychology på forfatter "Erga, Aleksander Hagen"
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Assessment of executive function in patients with substance use disorder: A comparison of inventory- and performance-based assessment
Hagen, Egon; Erga, Aleksander Hagen; Hagen, Katrin Pedersen; Nesvåg, Sverre; McKay, James R.; Lundervold, Astri; Walderhaug, Espen (Peer reviewed; Journal article, 2016-07)Introduction Chronic polysubstance abuse (SUD) is associated with neurophysiological and neuroanatomical changes. Neurocognitive impairment tends to affect quality of life, occupational functioning, and the ability to ... -
Cannabis use in Parkinson’s disease—A nationwide online survey study
Erga, Aleksander Hagen; Maple-Grødem, Jodi; Alves, Guido Werner (Journal article; Peer reviewed, 2022)Objectives The aim of this study was to investigate the frequency of use, attitudes toward, and experiences with cannabis and cannabis-related products among people with Parkinson's disease (PwP) living in Norway. Me ... -
Cognitive impairment as a predictor of long-term psychological distress in patients with polysubstance use disorders: a prospective longitudinal cohort study
Hetland, Jens; Lundervold, Astri J.; Erga, Aleksander Hagen (Journal article; Peer reviewed, 2024)Background: The association between polysubstance use disorder (pSUD), mental illness, and cognitive impairments is well established and linked to negative outcomes in substance use disorder treatment. However, it remains ... -
Impulsive and compulsive behaviors in Parkinson's disease: Impact on quality of and satisfaction with life, and caregiver burden
Erga, Aleksander Hagen; Alves, Guido Werner; Tysnes, Ole-Bjørn; Pedersen, Kenn Freddy (Journal article; Peer reviewed, 2020)Introduction To disentangle the association between impulsive and compulsive behaviors (ICBs), health-related quality of life (HRQOL), satisfaction with life (SwL), and caregiver distress in dyads of people with Parkinson's ... -
One-year abstinence improves ADHD symptoms among patients with polysubstance use disorder
Hagen, Egon; Erga, Aleksander Hagen; Nesvåg, Sverre; McKay, James R.; Lundervold, Astri; Walderhaug, Espen (Peer reviewed; Journal article, 2017-12)Introduction Attention-deficit/hyperactivity disorder (ADHD) is a common comorbid disorder in patients suffering from substance use disorder (SUD). Individuals with co-occurring SUD and ADHD are more likely than SUD patients ... -
One-year sobriety improves satisfaction with life, executive functions and psychological distress among patients with polysubstance use disorder
Hagen, Egon; Erga, Aleksander Hagen; Hagen, Katrin Pedersen; Nesvåg, Sverre; McKay, James R.; Astri, Lundervold; Walderhaug, Espen (Peer reviewed; Journal article, 2017-05)Introduction: Polysubstance use disorder is prevalent in treatment-seeking patients with substance use disorder (SUD), with a higher risk of developing comorbid psychiatric symptoms, more pervasive deficits in cognitive ... -
Patients with cognitive deficits and substance use disorders, a clinical population in need of focused attention
Erga, Aleksander Hagen; Hetland, Jens; Braatveit, Kirsten Johanne (Journal article; Peer reviewed, 2023-10-12) -
Performance on Cognitive Screening Tests and Long-Term Substance Use Outcomes in Patients with Polysubstance Use Disorder
Hetland, Jens; Hagen, Egon; Lundervold, Astri J.; Erga, Aleksander Hagen (Journal article; Peer reviewed, 2023)Introduction: Cognitive impairments among patients with substance use disorders are prevalent and associated with adverse treatment outcomes. However, knowledge of the predictive value of broad cognitive screening instruments ... -
Persistent sleep problems among people in recovery from substance use disorders: a mixed methods study
Erga, Aleksander Hagen; Nesvåg, Sverre Martin; Dahlberg, Ingrid Elin; McKay, James R. (Journal article; Peer reviewed, 2022)Background The aims of this study are to examine the one-year trajectory of sleep problems, identify clinical correlates, and describe subjective experiences related to persistent sleep problems during recovery from ... -
Trajectories of psychological distress during recovery from polysubstance use disorder
Erga, Aleksander Hagen; Hønsi, Audhild; Anda-Ågotnes, Liss Gøril; Nesvåg, Sverre Martin; Hesse, Morten; Hagen, Egon (Journal article; Peer reviewed, 2021)Introduction: Polysubstance use is a prevalent substance use pattern with adverse effects on psychological distress and diminished treatment outcomes. Although polysubstance use often dominates clinical practice, the ...