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No evidence that portion size influences food consumption in male Sprague Dawley rats
(Journal article; Tidsskriftartikkel; Peer reviewed, 2019-04-18)
In studies of eating behavior that have been conducted in humans, the tendency to consume more when given larger portions of food, known as the portion size effect (PSE), is one of the most robust and widely replicated findings. Despite this, the mechanisms that underpin it are still unknown. In particular, it is unclear whether the PSE arises from higher-order social and cognitive processes that ...
Modeling distracted performance
(Journal article; Tidsskriftartikkel; Peer reviewed, 2019-05-23)
The sustained attention to response task (SART) has been the primary method of studying the phenomenon of mind wandering. We develop and experimentally test the first integrated cognitive process model that quantitatively explains all stationary features of behavioral performance in the SART. The model assumes that performance is generated by a competitive race between a stimulus-related decision ...
Blinding is compromised for transcranial direct current stimulation at 1 mA for 20 min in young healthy adults
(Journal article; Tidsskriftartikkel; Peer reviewed, 2019-03-19)
Transcranial direct current stimulation (tDCS) is a non‐invasive brain stimulation method that is frequently used to study cortical excitability changes and their impact on cognitive functions in humans. While most stimulators are capable of operating in double‐blind mode, the amount of discomfort experienced during tDCS may break blinding. Therefore, specifically designed sham stimulation protocols ...
Reliability, factor structure, and validity of the inventory of complicated grief (ICG) in a general bereaved sample in Norway
(Journal article; Tidsskriftartikkel; Peer reviewed, 2019-05-29)
The Inventory of Complicated Grief (ICG) is the most widely used instrument to assess the severity of prolonged grief reactions after the loss of a loved one. The purpose of the present study was to investigate the psychometric properties of the Norwegian ICG by examining its reliability, factor structure, and relationships with the anxiety and depression subscales of the Brief Symptom Inventory, ...
In Brief Neuropsychological Assessment, Amnestic Mild Cognitive Impairment (MCI) Is associated with Cerebrospinal Fluid Biomarkers for Cognitive Decline in Contrast to the Prevailing NIA-AA MCI Criterion
(Journal article; Tidsskriftartikkel; Peer reviewed, 2019-01-22)
<i>Background:</i> In the care of persons with cognitive problems, it is important to use a valid mild cognitive impairment (MCI) criterion that discriminates well between normal and pathological aging.<p>
<p><i>Objective:</i> To find the brief neuropsychological screening criterion that best correlates with cerebrospinal fluid (CSF) biomarkers for cognitive decline and dementia in persons ...
Attitudes of mental health providers towards adoption of evidence-based interventions: relationship to work-place, staff roles and social and psychological factors at work
(Journal article; Tidsskriftartikkel; Peer reviewed, 2019-01-08)
<p><i>Background - </i>Gaining insight into factors influencing the adoption of evidence-based interventions (EBI) is essential to ensuring their sustainability in the mental healthcare setting. This article describes 1) differences between professional staff roles in attitudes towards EBI and 2) individual and organizational predictors of attitudes towards adopting EBI.
<p><i>Methods - </i>The ...
Demographically adjusted CERAD wordlist test norms in a Norwegian sample from 40 to 80 years
(Journal article; Tidsskriftartikkel; Peer reviewed, 2019-03-08)
<i>Background/Objective</i>: In recent years, several slightly younger cohorts have been established in order to study the preclinical and prodromal phases of dementia. The Consortium to Establish a Registry for Alzheimer’s Disease (CERAD) wordlist memory test (WLT) is widely used in dementia research. However, culturally adapted and demographically adjusted test norms for younger ages are ...
Commentary: Transcranial stimulation of the frontal lobes increases propensity of mind-wandering without changing meta-awareness
(Journal article; Tidsskriftartikkel; Peer reviewed, 2019-02-05)
A Commentary on <p>
<p>Transcranial stimulation of the frontal lobes increases propensity of mind-wandering without changing meta-awareness<p>
<p>by Axelrod, V., Zhu, X., & Qui, J. (2018). <i>Scientific Reports</i>, 8:15975. doi: 10.1038/s41598-018-34098-z
Perinatal fluoxetine exposure changes social and stress-coping behavior in adult rats housed in a seminatural environment
(Journal article; Tidsskriftartikkel; Peer reviewed, 2019-04-06)
The use of selective serotonin reuptake inhibitors (SSRI) during pregnancy has increased tremendously, but the consequences for the offspring remain largely unclear. Several studies have described potential effects of perinatal SSRI-exposure on neurobehavioral outcomes using simplified rodent test set-ups, however these set-ups only assess a small fraction of the behavior. For translational purposes ...
Mild Effect of Nalmefene on Alcoholic Cue-Induced Response Invigoration in Alcohol Use Disorder Without Accompanying Changes in Electrophysiological Signatures of Early Visual Processing and Executive Control
(Journal article; Tidsskriftartikkel; Peer reviewed, 2019-09-26)
Nalmefene is approved for as-needed pharmacological treatment in alcohol use disorder (AUD) by the European Medicines Agency. While the cellular effects of nalmefene have been thoroughly investigated, data are very limited on how this agent influences neural signals associated with inhibitory control and the visual analysis of environmental cues. This double-blind crossover study assessed the ...