Fletta eftir titli

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  • Young, Susan; González, Rafael A.; Fridman, Moshe; Hodgkins, Paul; Kim, Keira; Gudjonsson, Gisli H. (Springer Science and Business Media LLC, 2018-06-25)
    Background: Attention-deficit hyperactivity disorder (ADHD) is highly prevalent amongst prison inmates and the criminal justice system (CJS) likely bears considerable costs for offenders with ADHD. We aimed to examine the relationship between ADHD ...
  • Clemente, Filipe Manuel; Ardigò, Luca Paolo; Song, Wook; Lenoir, Matthieu E. M.; Rodrigues, Luis Paulo; Sigmundsson, Hermundur (Frontiers Media SA, 2020-04-15)
    Stimulated by the need to understand the specific effects of exercise on children, the current Frontiers Research Topic was carried out to collect a set of studies that highlight important findings related to the impact of exercise in this population. ...
  • Lorås, Håvard; Haga, Monika; Sigmundsson, Hermundur (MDPI AG, 2020-01-29)
    Acute exercise influences human cognition, and evidence suggests that learning can be improved. According to the cognitive-energetic approach towards exercise cognition, exercise represents a stressor that elevates physiological arousal, which, in turn, ...
  • Stranda, Håvard; Haga, Monika; Sigmundsson, Hermundur; Lorås, Håvard (MDPI AG, 2019-02-26)
    Acute exercise has an influence on human cognition, and both theoretical approaches and previous investigations suggest that the learning process can be facilitated. A distinction has been made however, between the predominately positive effects on ...
  • Widmer Soyka, René P.; Benedikt Helgason; Hazrati Marangalou, Javad; van den Bergh, Joop P.; Rietbergen, Bert van; Ferguson, Stephen J. (Public Library of Science (PLoS), 2016-04-21)
    Vertebral fragility fractures are often treated by injecting bone cement into the collapsed vertebral bodies (vertebroplasty). The mechanisms by which vertebroplasty induces pain relief are not completely understood yet and recent debates cast doubt ...
  • Nohlert, Eva; Öhrvik, John; Helgason, Asgeir R. (Biomed Central LTD, 2014-06-03)
    Abstract Background: The Swedish National Tobacco Quitline (SNTQ), which has both a proactive and a reactive service, has successfully provided tobacco cessation support since 1998. As there is a demand for an increase in national cessation support, ...
  • Lattari, Eduardo; Budde, Henning; Paes, Flávia; Neto, Geraldo Albuquerque Maranhão; Appolinario, José Carlos; Nardi, Antônio Egídio; Murillo-Rodriguez, Eric; Machado, Sérgio (Bentham Science Publishers Ltd., 2018-02-21)
    Background: The effects of the aerobic exercise on anxiety symptoms in patients with Panic Disorder (PD) remain unclear. Thus, the investigation of possible changes in EEG frontal asymmetry could contribute to understand the relationship among exercise, ...
  • Christensen, Christian; Jonsdottir-Buch, Sandra Mjoll; Sigurjonsson, Olafur (Public Library of Science (PLoS), 2020-04-15)
    Background Clinical application of mesenchymal stromal cells (MSCs) usually requires an in vitro expansion step to reach clinically relevant numbers. In vitro cell expansion necessitates supplementation of basal mammalian cell culture medium with growth ...
  • Madera, Joaquin; Tella, Victor; Saavedra, Jose M (MDPI AG, 2017-11-01)
    The aim of this study was to investigate the effects of rule changes on game-related statistics in men's water polo matches. A total of 856 men's matches played in all Olympic Games and World Championship since 1936 was analysed. The game-related ...
  • Vargas Luna, José Luis; Halla Kristín Guðfinnsdóttir; Gígja Magnúsdóttir; Vilborg Guðmundsdóttir; Krenn, Matthias; Mayr, Winfried; Guðbjörg Kristín Ludvigsdóttir; Þórður Helgason (Walter de Gruyter GmbH, 2016-09-30)
    Neuromodulation using electrical stimulation is able to enhance motor control of individuals suffering an upper motor neuron disorder. This work examined the effect of sustained electrical stimulation to modify spasticity in the leg muscles. We applied ...
  • Ólafsdóttir, Þórunn Ásta; Theódórs, Fannar; Bjarnadóttir, Kristbjörg; Björnsdóttir, Unnur Steina; Agustsdottir, Arna B.; Stefánsson, Ólafur A.; Ivarsdottir, Erna; Sigurðsson, Jón K.; Benónísdóttir, Stefanía; Eyjólfsson, Guðmundur I.; Gíslason, Davíð; Gislason, Thorarinn; Guðmundsdóttir, Steinunn; Gylfason, Arnaldur; Halldórsson, Bjarni; Halldorsson, Gisli; Júlíusdóttir, Þórhildur; Kristinsdottir, Anna M.; Lúðvíksdóttir, Dóra; Ludviksson, Bjorn; Másson, Gísli; Norland, Kristjan; Onundarson, Pall; Olafsson, Isleifur; Sigurdardottir, Olof; Stefánsdóttir, Lilja; Sveinbjörnsson, Garðar; Tragante do O, Vinicius; Gudbjartsson, Daniel; Þorleifsson, Guðmar; sulem, patrick; Thorsteinsdottir, Unnur; Norddahl, Guðmundur L.; Jonsdottir, Ingileif; Stefansson, Kari (Springer Science and Business Media LLC, 2020-01-20)
    Asthma is one of the most common chronic diseases affecting both children and adults. We report a genome-wide association meta-analysis of 69,189 cases and 702,199 controls from Iceland and UK biobank. We find 88 asthma risk variants at 56 loci, 19 ...
  • Awayssa, Omar; Haarberg, Geir Martin; Meirbekova, Rauan; Saevarsdottir, Gudrun Arnbjorg (Elsevier BV, 2021-04)
    This study reports the direct production of an aluminium–manganese alloy during aluminium electrolysis in fluoride-based melts. Experiments were conducted in a laboratory cell dedicated for current efficiency measurements. The temperature was varied ...
  • Awayssa, Omar; Saevarsdottir, Gudrun; Meirbekova, Rauan; Haarberg, Geir Martin (Elsevier BV, 2021-02)
    This study reports the direct production of an aluminium-titanium alloy during aluminium electrolysis in fluoride-based melts. Experiments were conducted in a laboratory cell dedicated to current efficiency mea-surements. The temperature was ...
  • Bordbar, Aarash; Yurkovich, James T.; Paglia, Giuseppe; Rolfsson, Óttar; Sigurjónsson, Ólafur E.; Palsson, Bernhard O. (Springer Nature, 2017-04-07)
    The increasing availability of metabolomics data necessitates novel methods for deeper data analysis and interpretation. We present a flux balance analysis method that allows for the computation of dynamic intracellular metabolic changes at the cellular ...
  • Bekasiewicz, Adrian; Koziel, Slawomir; Plotka, Piotr; Zwolski, Krzysztof (MDPI AG, 2021-04-27)
    Antenna structures for modern applications are characterized by complex and unintuitive topologies that are difficult to develop when conventional, experience-driven techniques are of use.In this work, a method for the automatic generation of antenna ...
  • Ullah, Ubaid; Mabrouk, Ismail Ben; Koziel, Slawomir (Institute of Electrical and Electronics Engineers (IEEE), 2020)
    Design of a compact wideband circularly polarized (CP) multiple-input multiple-output (MIMO) antenna with polarization diversity is proposed and characterized for off-body communication. The antenna is based on a simple coplanar waveguide (CPW)-fed ...
  • Dimov, Dimo; Pistrui, Joseph (SAGE Publications, 2020-10-14)
    As entrepreneurship education spreads and aims to transform mindsets, its theories and methods need to be attuned to the first-person perspective of the learner. We provide a map for entrepreneurship education that bridges the subjective, inter-subjective, ...
  • Bean, Christian; Nadeau, Emile; Úlfarsson, Henning Arnór (DIiscrete Mathematics Theoretical Computer Science, 2021-03)
    In this paper, we study the staircase encoding of permutations, which maps a permutation to a staircase grid with cellsfilled with permutations. We consider many cases, where restricted to a permutation class, the staircase encoding be-comes a bijection ...
  • Bean, Christian; Claesson, Anders; Úlfarsson, Henning Arnór (University of Waterloo, 2017)
    Vincular and covincular patterns are generalizations of classical patterns allowing restrictions on the indices and values of the occurrences in a permutation. In this paper we study the integer sequences arising as the enumerations of permutations ...
  • Karl Guðlaugsson; Jensson, Pall (Tannlæknafélag Íslands, 2015)
    Í meistararitgerð í meistaranámi í verkefnastjórnun, MPM, við Háskólann í Reykjavík, var lögð fram rannsóknarspurningin „Er hægt að verðmeta tannlæknapraxís“. Verðmati á tannlækna-praxís er skipt í hlutlæga þætti og huglæga þætti. Helstu hlutlægu þættirnir ...