Department of Biological and Medical Psychology: Recent submissions

Now showing items 221-240 of 411

    • Effects of different feeding frequencies on growth, cataract development and histopathology of lumpfish (Cyclopterus lumpus L.) 

      Imsland, Albert; Reynolds, Patrick; Jonassen, Thor Magne; Hangstad, Thor Arne; Elvegård, Tor Anders; Urskog, Tonje Cecilie; Hanssen, Anna; Mikalsen, Bjørn (Peer reviewed; Journal article, 2019)
      Three duplicate groups of individually tagged lumpfish (mean initial weight: 22.3 ± 2.5 g) were fed either daily (7DW); four days per week (4DW) or three days per week (3DW) at a feeding rate of 2% body weight day−1 for a ...

    • Intra-Regional Glu-GABA vs Inter-Regional Glu-Glu Imbalance: A 1H-MRS Study of the Neurochemistry of Auditory Verbal Hallucinations in Schizophrenia. 

      Hjelmervik, Helene; Craven, Alexander R.; Sinkeviciute, Igne; Johnsen, Erik; Kompus, Kristiina; Bless, Josef Johann; Kroken, Rune Andreas; Løberg, Else-Marie; Ersland, Lars; Gruner, Eli Renate; Hugdahl, Kenneth (Peer reviewed; Journal article, 2019-10-18)
      Glutamate (Glu), gamma amino-butyric acid (GABA), and excitatory/inhibitory (E/I) imbalance have inconsistently been implicated in the etiology of schizophrenia. Elevated Glu levels in language regions have been suggested ...

    • The development of cognitive and emotional impairment after a minor stroke: A longitudinal study 

      Morsund, Åse Hagen; Ellekjær, Hanne; Gramstad, Arne; Reiestad, Magnus Tallaksen; Midgard, Rune; Sando, Sigrid Botne; Jonsbu, Egil; Næss, Halvor (Peer reviewed; Journal article, 2019-09-04)
      Objectives: To study the development of cognitive and emotional symptoms between 3 and 12 months after a minor stroke. Material and Methods: We included patients from stroke units at hospitals in the Central Norway Health ...

    • Feasibility and Acceptability of Using a Mobile Phone App for Characterizing Auditory Verbal Hallucinations in Adolescents With Early-Onset Psychosis: Exploratory Study 

      Smelror, Runar; Bless, Josef J; Hugdahl, Kenneth; Agartz, Ingrid (Peer reviewed; Journal article, 2019-05-14)
      Background: Auditory verbal hallucinations (AVH) are the most frequent symptom in early-onset psychosis (EOP) and a risk factor for increased suicide attempts in adolescents. Increased knowledge of AVH characteristics can ...

    • Multi-vendor standardized sequence for edited magnetic resonance spectroscopy 

      Saleh, Muhammad G.; Rimbault, Daniel; Mikkelsen, Mark; Oeltzschner, Georg; Wang, Anna M; Jiang, Dengrong; Alhamud, Ali; Near, Jamie; Schär, Michael; Noeske, Ralph; Murdoch, James B; Ersland, Lars; Craven, Alexander R.; Dwyer, Gerard Eric; Grüner, Renate; Pan, Li; Ahn, Sinyeob; Edden, Richard A.E. (Peer reviewed; Journal article, 2019)
      Spectral editing allows direct measurement of low-concentration metabolites, such as GABA, glutathione (GSH) and lactate (Lac), relevant for understanding brain (patho)physiology. The most widely used spectral editing ...

    • Behavioral measures of attention and cognitive control during a new auditory working memory paradigm 

      Kayser, Jurgen; Wong, Lidia Y X; Sacchi, Elizabeth; Casal-Roscum, Lindsey; Alvarenga, Jorge E; Hugdahl, Kenneth; Bruder, Gerard E; Jonides, John (Peer reviewed; Journal article, 2019-12-03)
      Proactive control is the ability to manipulate and maintain goal-relevant information within working memory (WM), allowing individuals to selectively attend to important information while inhibiting irrelevant distractions. ...

    • Big GABA II: Water-referenced edited MR spectroscopy at 25 research sites 

      Mikkelsen, Mark; Rimbault, Daniel L.; Barker, Peter B.; Bhattacharyya, Pallab K.; Brix, Maiken Kirkegaard; Buur, Pieter F.; Cecil, Kim M.; Chan, Kimberly L.; Chen, David Y.-T.; Craven, Alexander R.; Cuypers, Koen; Dacko, Michael; Duncan, Niall W.; Dydak, Ulrike; Edmondson, David A.; Ende, Gabriele; Ersland, Lars; Forbes, Megan A.; Gao, Fei; Greenhouse, Ian; Harris, Ashley D.; He, Naying; Heba, Stefanie; Hoggard, Nigel; Hsu, Tun-Wei; Jansen, Jacobus F.A.; Kangarlu, Alayar; Lange, Thomas; Lebel, R. Marc; Li, Yan; Lin, Chien-Yuan E.; Liou, Jy-Kang; Lirng, Jiing-Feng; Liu, Feng; Long, Joanna R.; Ma, Ruoyun; Maes, Celine; Moreno-Ortega, Marta; Murray, Scott O.; Noah, Sean; Noeske, Ralph; Noseworthy, Michael D.; Oeltzschner, Georg; Porges, Eric C.; Prisciandaro, James J.; Puts, Nicolaas A.J.; Roberts, Timothy P.L.; Sack, Markus; Sailasuta, Napapon; Saleh, Muhammad G.; Schallmo, Michael-Paul; Simard, Nicholas; Stoffers, Diederick; Swinnen, Stephan P.; Tegenthoff, Martin; Truong, Peter; Wang, Guangbin; Wilkinson, Iain D.; Wittsack, Hans-Jörg; Woods, Adam J.; Xu, Hongmin; Yan, Fuhua; Zhang, Chencheng; Zipunnikov, Vadim; Zöllner, Helge J.; Edden, Richard A.E. (Peer reviewed; Journal article, 2019)
      Accurate and reliable quantification of brain metabolites measured in vivo using 1H magnetic resonance spectroscopy (MRS) is a topic of continued interest. Aside from differences in the basic approach to quantification, ...

    • The ice in voices: Understanding negative content in auditory-verbal hallucinations 

      Larøi, Frank; Thomas, Neil; Aleman, André; Fernyhough, Charles; Wilkinson, Sam; Deamer, Felicity; McCarthy-Jones, Simon (Peer reviewed; Journal article, 2019-02)
      Negative voice-content is the best sole predictor of whether the hearer of an auditory-verbal hallucination will experience distress/impairment necessitating contact with mental health services. Yet, what causes negative ...

    • Validation of peripheral arterial tonometry as tool for sleep assessment in chronic obstructive pulmonary disease 

      Holmedahl, Nils Henrik; Fjeldstad, Odd-Magne; Engan, Harald; Saxvig, Ingvild W.; Grønli, Janne (Peer reviewed; Journal article, 2019-12-18)
      Obstructive sleep apnea (OSA) worsens outcomes in Chronic Obstructive Pulmonary Disease (COPD), and reduced sleep quality is common in these patients. Thus, objective sleep monitoring is needed, but polysomnography (PSG) ...

    • Beyond trauma: A multiple pathways approach to auditory hallucinations in clinical and nonclinical populations 

      Luhrmann, Tanya Marie; Alderson-Day, Ben; Bell, Vaughan; Bless, Josef J; Corlett, Philip; Hugdahl, Kenneth; Jones, Nev; Larøi, Frank; Mosley, Peter; Padmavati, Ramachandran; Peters, Emmanuelle; Powers, Albert R.; Waters, Flavie (Peer reviewed; Journal article, 2019-02-01)
      That trauma can play a significant role in the onset and maintenance of voice-hearing is one of the most striking and important developments in the recent study of psychosis. Yet the finding that trauma increases the risk ...

    • The neurophysiological correlates of religious chanting 

      Gao, Junling; Leung, Hang Kin; Wu, Bonnie Wai Yan; Skouras, Stavros; Sik, Hin Hung (Peer reviewed; Journal article, 2019-03-12)
      Despite extensive research on various types of meditation, research on the neural correlates of religious chanting is in a nascent stage. Using multi-modal electrophysiological and neuroimaging methods, we illustrate that ...

    • Lateral ventricle volume trajectories predict response inhibition in older age-A longitudinal brain imaging and machine learning approach. 

      Lundervold, Astri; Vik, Alexandra; Lundervold, Arvid (Peer reviewed; Journal article, 2019-04-02)
      Objective In a three-wave 6 yrs longitudinal study we investigated if the expansion of lateral ventricle (LV) volumes (regarded as a proxy for brain tissue loss) predicts third wave performance on a test of response ...

    • Aberrant resting-state oscillatory brain activity in Parkinson's disease patients with visual hallucinations: An MEG source-space study 

      Dauwan, Meenakshi; Hoff, Jorrit I; Vriens, Els M; Hillebrand, Arjan; Stam, Cornelis J; Sommer, Iris Else Clara (Peer reviewed; Journal article, 2019)
      To gain insight into possible underlying mechanism(s) of visual hallucinations (VH) in Parkinson's disease (PD), we explored changes in local oscillatory activity in different frequency bands with source-space magnetoenc ...

    • The questionnaire for psychotic experiences: An examination of the validity and reliability 

      Rossell, Susan L.; Schutte, Maya J.L.; Toh, Wei Lin; Thomas, Neil; Strauss, Clara; Linszen, Mascha M.J.; van Dellen, Edwin; Heringa, Sophie M.; Teunisse, Rob; Slotema, Christina W.; Sommer, Iris Else Clara (Peer reviewed; Journal article, 2019-02-01)
      Psychotic experiences are prevalent across a wide variety of psychiatric, neurological, and medical conditions. Yet current assessments are often designed for one disorder, or are limited in their examination of phenomenological ...

    • Temporal Signatures of Auditory Verbal Hallucinations: An App-Based Experience Sampling Study 

      Bless, Josef J; Hjelmervik, Helene; Torsheim, Torbjørn; Gudmundsen, Magne; Larøi, Frank; Holma, Irina; Arola, Anne; Korkeila, Jyrki; Hirnstein, Marco; Marquardt, Lynn Anne; Kusztrits, Isabella; Smelror, Runar; Agartz, Ingrid; Hugdahl, Kenneth (Peer reviewed; Journal article, 2020)
      The assessment of auditory verbal hallucinations (AVHs) has traditionally been conducted through (semi-)structured interviews, such as the Positive and Negative Syndrome Scales (PANSS; Kay et al., 1987) and the Psychotic ...

    • The importance of clinical normative data for conceptualizing neuropsychological deficits in people with schizophrenia spectrum disorders 

      Raudeberg, Rune; Iverson, Grant L.; Hammar, Åsa (Peer reviewed; Journal article, 2019)
      Objective: To create clinical normative data tables for Norwegian patients with schizophrenia spectrum disorders, to examine whether clinical normative data from Norway differs from similar normative data from Canada and ...

    • A primer on dichotic listening as a paradigm for the assessment of hemispheric asymmetry 

      Westerhausen, Rene (Peer reviewed; Journal article, 2019-03-28)
      Dichotic listening is a well-established method to non-invasively assess hemispheric specialization for processing of speech and other auditory stimuli. However, almost six decades of research also have revealed a series ...

    • A network module for the perseus software for computational proteomics facilitates proteome interaction graph analysis 

      Rudolph, Jan Daniel; Cox, Jürgen (Peer reviewed; Journal article, 2019-04-01)
      Proteomics data analysis strongly benefits from not studying single proteins in isolation but taking their multivariate interdependence into account. We introduce PerseusNet, the new Perseus network module for the biological ...

    • Adult Attention Deficit Hyperactivity Disorder. Beyond the Core Symptoms of the Diagnostic and Statistical Manual of Mental Disorders 

      Brevik, Erlend Joramo (Doctoral thesis, 2018-02-06)
      Background/Introduction: Attention Deficit Hyperactivity Disorder (ADHD) is a prevalent condition in both children (estimated prevalence of about 5%) and adults (estimated prevalence of about 3%). ADHD is characterized by ...

    • A cross-national investigation of hallucination-like experiences in 10 countries: The E-CLECTIC Study 

      Siddi, Sara; Ochoa, Susana; Larøi, Frank; Cella, Matteo; Raballo, Andrea; Saldivia, Sandra; Quijada, Yanet; Laloyaux, Julien Freddy; Rocha, Nuno Barbosa; Lincoln, Tania M.; Schlier, Björn; Ntouros, Evangelos; Bozikas, Vasileios P.; Gawęda, Łukasz; Machado, Sergio; Nardi, Antonio E.; Rodante, Demián; Deshpande, Smita N.; Haro, Josep Maria; Preti, Antonio (Peer reviewed; Journal article, 2019-02-01)
      Hallucination-like experiences (HLEs) are typically defined as sensory perceptions in the absence of external stimuli. Multidimensional tools, able to assess different facets of HLEs, are helpful for a better characterization ...