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Description
  • Dynamic causal modeling (DCM) is a method for analyzing effective connectivity in functional magnetic resonance imaging (fMRI) data. Specific parameters describing the generative model (involved regions, connections, modulatory effects, inputs, etc.) represent input to the DCM method. By inverting the forward model, DCM infers (hidden) neuronal processes using fitting to the experimentally measured signal (Kahan and Foltynie 2013). Then, correct localization and extraction of the brain signals from regions of interest (ROIs) directly influences the result. In our study, we compared two approaches for ROIs position specification (common vs. individual) and evaluated their sensitivity to random shifts of ROI position.
  • Dynamic causal modeling (DCM) is a method for analyzing effective connectivity in functional magnetic resonance imaging (fMRI) data. Specific parameters describing the generative model (involved regions, connections, modulatory effects, inputs, etc.) represent input to the DCM method. By inverting the forward model, DCM infers (hidden) neuronal processes using fitting to the experimentally measured signal (Kahan and Foltynie 2013). Then, correct localization and extraction of the brain signals from regions of interest (ROIs) directly influences the result. In our study, we compared two approaches for ROIs position specification (common vs. individual) and evaluated their sensitivity to random shifts of ROI position. (en)
Title
  • Effects of imprecise signal extraction on posterior DCM parameters.
  • Effects of imprecise signal extraction on posterior DCM parameters. (en)
skos:prefLabel
  • Effects of imprecise signal extraction on posterior DCM parameters.
  • Effects of imprecise signal extraction on posterior DCM parameters. (en)
skos:notation
  • RIV/00216305:26220/14:PU109308!RIV15-GA0-26220___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GAP103/12/0552)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
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  • 13733
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  • RIV/00216305:26220/14:PU109308
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  • fMRI, DCM, effective connectivity, signal extraction, group statistics (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [F1823B814179]
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
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http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Jan, Jiří
  • Slavíček, Tomáš
  • Lamoš, Martin
  • Mikl, Michal
  • Gajdoš, Martin
http://localhost/t...ganizacniJednotka
  • 26220
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