Blar i Department of Biological and Medical Psychology på utgivelsesdato
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An Information-Theoretic Analysis of Resting-State versus Task fMRI
(Journal article; Peer reviewed, 2023)Resting-state fMRI is an increasingly popular alternative to task-based fMRI. However, a formal quantification of the amount of information provided by resting-state fMRI as opposed to active task conditions about neural ... -
A psychological symptom based machine learning model for clinical evaluation of irritable bowel syndrome
(Journal article; Peer reviewed, 2023)Background: Irritable bowel syndrome (IBS) is a chronic functional gastrointestinal disorder characterized by recurrent abdominal pain associated with alterations in stool form and/or stool frequency. Co-morbidities such ... -
High levels of childhood trauma associated with changes in hippocampal functional activity and connectivity in young adults during novelty salience
(Journal article; Peer reviewed, 2023)Childhood trauma (CT) has been linked to increased risk for psychosis. Moreover, CT has been linked to psychosis phenotypes such as impaired cognitive and sensory functions involved in the detection of novel sensory stimuli. ... -
fMRI fluctuations within the language network are correlated with severity of hallucinatory symptoms in schizophrenia
(Journal article; Peer reviewed, 2023)Although schizophrenia (SZ) represents a complex multiform psychiatric disorder, one of its most striking symptoms are auditory verbal hallucinations (AVH). While the neurophysiological origin of this pervasive symptom has ... -
Performance on Cognitive Screening Tests and Long-Term Substance Use Outcomes in Patients with Polysubstance Use Disorder
(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 ... -
Estradiol driven change in hallucination proneness across the menstrual cycle as studied with a white noise paradigm
(Journal article; Peer reviewed, 2023)The estrogen hypothesis for schizophrenia suggests neuroprotective effects of estrogen for the development of the disorder and for symptom severity, including auditory hallucinations. Furthermore, estrogen has shown enhancing ... -
Low Persistence of Inattention Symptoms From Childhood to Adolescence: A Population-Based Study
(Journal article; Peer reviewed, 2023)Objective: To investigate the persistence of dimensional measures of inattention in a population-based, gender-balanced sample of adolescents with parent reports of inattention from childhood and self-reports of inattention ... -
Ghrelin is related to lower brain reward activation during touch
(Journal article; Peer reviewed, 2023)The gut hormone ghrelin drives food motivation and increases food intake, but it is also involved in the anticipation of and response to rewards other than food. This pre-registered study investigated how naturally varying ... -
Disentangling dyslexia from typical L2-learning in emergent literacy
(Journal article; Peer reviewed, 2023)The present paper assessed how dyslexia can be identified in school children with another language than their first language. Participants were school children with Norwegian as their second language (L2), and two groups ... -
Considerations on brain age predictions from repeatedly sampled data across time
(Journal article; Peer reviewed, 2023)Introduction Brain age, the estimation of a person's age from magnetic resonance imaging (MRI) parameters, has been used as a general indicator of health. The marker requires however further validation for application in ... -
Social and non-social feedback stimuli lead to comparable levels of reward learning and reward responsiveness in an online probabilistic reward task
(Journal article; Peer reviewed, 2023)Social stimuli seem to be processed more easily and efficiently than non-social stimuli. The current study tested whether social feedback stimuli improve reward learning in a probabilistic reward task (PRT), in which one ... -
Hungry for compliments? Ghrelin is not associated with neural responses to social rewards or their pleasantness
(Journal article; Peer reviewed, 2023)The stomach-derived hormone ghrelin motivates food search and stimulates food consumption, with highest plasma concentrations before a meal and lowest shortly after. However, ghrelin also appears to affect the value of ... -
Assessment of Self-Reported Executive Function in Patients with Irritable Bowel Syndrome Using a Machine-Learning Framework
(Journal article; Peer reviewed, 2023)Introduction: Irritable bowel syndrome (IBS) is characterized as a disorder of the gut–brain interaction (DGBI). Here, we explored the presence of problems related to executive function (EF) in patients with IBS and tested ... -
Inhibitory control as possible risk and/or resilience factor for the development of trauma related symptoms–a study of the Utøya terror attack survivors
(Journal article; Peer reviewed, 2023)PTSD symptomatology is known to be associated with executive dysfunction. Inhibitory control is a core component of executive functioning, and inhibitory skills are essential both for adequate functioning in everyday life ... -
Time of day dependent longitudinal changes in resting-state fMRI
(Journal article; Peer reviewed, 2023)Longitudinal studies have become more common in the past years due to their superiority over cross-sectional samples. In light of the ongoing replication crisis, the factors that may introduce variability in resting-state ... -
A 12-month randomised pilot trial of the Alzheimer’s and music therapy study: a feasibility assessment of music therapy and physical activity in patients with mild-to-moderate Alzheimer’s disease
(Journal article; Peer reviewed, 2023)Background The Alzheimer’s and Music Therapy (ALMUTH) study is the first randomised controlled trial (RCT) design with 12 months of active non-pharmacological therapy (NPT) implementing music therapy (MT) and physical ... -
Silver linings of ADHD: A thematic analysis of adults' positive experiences with living with ADHD
(Journal article; Peer reviewed, 2023)Objectives To identify and explore positive aspects of attention deficit hyperactivity disorder (ADHD) as reported by adults with the diagnosis. Design The current study used a qualitative survey design including the ... -
Single-centre, non-randomised clinical trial at a tertiary care centre to investigate 1-year changes in social experiences and biomarkers of well-being after bariatric surgery in individuals with severe obesity: protocol for the Bariatric Surgery and Social Experiences (BaSES) study
(Journal article; Peer reviewed, 2023)Introduction Obesity is linked to increased loneliness and less enjoyment of social interactions. While bariatric surgery is the most effective treatment targeting severe obesity, there is limited understanding as to whether ... -
Long-term outcomes of an internet-delivered cognitive enhancement intervention targeting residual cognitive deficits after major depressive disorder: a 2-year follow-up of an open trial
(Journal article; Peer reviewed, 2023)Background: Cognitive deficits are common and disabling residual symptoms following major depressive disorder (MDD) and are related to increased risk of relapse. Residual cognitive deficits should thus be considered an ... -
Music for autism: a protocol for an international randomized crossover trial on music therapy for children with autism
(Journal article; Peer reviewed, 2023)The notion of a connection between autism and music is as old as the first reported cases of autism, and music has been used as a therapeutic tool for many decades. Music therapy holds promise as an intervention for ...