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Št. zadetkov: 8
Connecting the Disconnected: New Techniques of Studying Schizophrenia
Neža Vehar , Grega Repovš , Alan Anticevic
Video in druga učna gradiva
Oznake: medicine;psychiatry
In our first seminar event of the season you can listen to the debate between Alan Antičević and Grega Repovš on the topic of their cooperation in the field of computer modelling using modern brain imaging techniques (fMRI). They will discuss the latest discoveries that are groundbreaking in the fie ...
Leto: 2016 Vir: videolectures.net
​Reprezentacije položaja v prostorskem delovnem spominu
Nina Purg, Grega Repovš, Alan Anticevic
Doktorska disertacija
Oznake: prostorski delovni spomin;fMR;vkodiranje;vzdrževanje;reprezentacije;strategije kodiranja;
Uvod: Vzdrževana aktivnost v frontalnih in parietalnih možganskih področjih med prostorskim delovnim spominom bi naj odražala procese aktivnega shranjevanja in vzdrževanja informacij, vendar narava reprezentacij, zabeleženih v tej aktivnosti, ostaja neznana. Namen doktorske disertacije je bil razisk ...
Leto: 2022 Vir: Medicinska fakulteta (UL MF)
autohrf-an R package for generating data-informed event models for general linear modeling of task-based fMRI data
Nina Purg, Jure Demšar, Alan Anticevic, Grega Repovš
Izvirni znanstveni članek
Oznake: funkcijsko magnetnoresonančno slikanje fMRI;možgani;splošno linearno modeliranje;predpostavljeno modeliranje;računalniški programi;R;functional magnetic resonance imaging fMRI;brain;general linear modeling GLM;assumed modeling;computer software;
The analysis of task-related fMRI data at the level of individual participants is commonly based on general linear modeling (GLM), which allows us to estimate the extent to which the BOLD signal can be explained by the task response predictors specified in the event model. The predictors are constru ...
Leto: 2022 Vir: Filozofska fakulteta (UL FF)
Static and dynamic fMRI-derived functional connectomes represent largely similar information
Andraž Matkovič, Alan Anticevic, John D. Murray, Grega Repovš
Izvirni znanstveni članek
Oznake: funkcijska konektivnost;merjenje;možgani;funkcijsko magnetnoresonančno slikanje fMRI;nevroznanost;nevronske mreže;functional connectivity;measurement;brain;functional magnetic resonance imaging fMRI;neurosciences;neural networks;
Functional connectivity (FC) of blood-oxygen-level-dependent (BOLD) fMRI time series can be estimated using methods that differ in sensitivity to the temporal order of time points (static vs. dynamic) and the number of regions considered in estimating a single edge (bivariate vs. multivariate). Prev ...
Leto: 2023 Vir: Filozofska fakulteta (UL FF)
Negative and nonemotional interference with visual working memory in schizophrenia
Alan Anticevic, Grega Repovš, Philip R. Corlett, Deanna M. Barch
Izvirni znanstveni članek
Oznake: shizofrenija;funkcijsko magnetnoresonančno slikanje (fMRI);amigdala;pozornost;čustva;delovni spomin;schizophrenia;functional magnetic resonance imaging (fMRI);amygdala;attention;emotions;working memory;
Background: Schizophrenia (SCZ) results in abnormalities affecting both working memory (WM) and emotional processing. Prior work suggests that individuals with SCZ exhibit increased effects of distraction on WM-a deficit that might be exacerbated via emotional interference. However, no study charact ...
Leto: 2011 Vir: Repozitorij Univerze v Ljubljani (RUL)
Activity flow underlying abnormalities in brain activations and cognition in schizophrenia
Luke J. Hearne, Ravi D. Mill, Brian P. Keane, Grega Repovš, Alan Anticevic, Michael W. Cole
Izvirni znanstveni članek
Oznake: shizofrenija;možgani;nevroznanost;kognitivni upad;funkcijska konektivnost;nevronske mreže;funkcijsko magnetnoresonančno slikanje fMRI;delovni spomin;schizophrenia;brain;neurosciences;cognitive impairment;functional connectivity;neural networks;functional magnetic resonance imaging fMRI;working memory;
Cognitive dysfunction is a core feature of many brain disorders such as schizophrenia (SZ), and has been linked to both aberrant brain functional connectivity (FC) and aberrant cognitive brain activations. We propose that aberrant network activity flow over FC pathways leads to altered cognitive act ...
Leto: 2021 Vir: Filozofska fakulteta (UL FF)
Individual differences in spatial working memory strategies differentially reflected in the engagement of control and default brain networks
Nina Purg, Aleksij Kraljič, Masih Rahmati, Youngsun T. Cho, Anka Slana, John D. Murray, Alan Anticevic, Grega Repovš
Izvirni znanstveni članek
Oznake: nevroznanost;funkcijsko magnetnoresonančno slikanje fMRI;delovni spomin;prostorski spomin;možgani;miselne predstave;medosebne razlike;neurosciences;functional magnetic resonance imaging fMRI;short term memory;spatial memory;brain;mental representations;individual differences;
Spatial locations can be encoded and maintained in working memory using different representations and strategies. Fine-grained representations provide detailed stimulus information, but are cognitively demanding and prone to inexactness. The uncertainty in fine-grained representations can be compens ...
Leto: 2024 Vir: Filozofska fakulteta (UL FF)
Reward and loss incentives improve spatial working memory by shaping trial-by-trial posterior frontoparietal signals
Youngsun T. Cho, Flora Moujaes, Charles H. Schleifer, Martina Starc, Jie Lisa Ji, Nicole Santamauro, Brendan D. Adkinson, Antonija Kolobaric, Morgan Flynn, John Harrison Krystal, John D. Murray, Grega Repovš, Alan Anticevic
Izvirni znanstveni članek
Oznake: nevroznanost;kognicija;motivacija;delovni spomin;prostorski spomin;nagrade;možgani;neurosciences;cognition;motivation;short term memory;spatial memory;rewards;brain;
Integrating motivational signals with cognition is critical for goal-directed activities. The mechanisms that link neural changes with motivated working memory continue to be understood. Here, we tested how externally cued and non-cued (internally represented) reward and loss impact spatial working ...
Leto: 2022 Vir: Filozofska fakulteta (UL FF)
Št. zadetkov: 8
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