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- W2008606481 abstract "Functional magnetic resonance imaging (fMRI) is used to model brain activation patterns associated with various perceptual and cognitive processes as reflected by the hemodynamic (BOLD) response. While many sensory and motor tasks are associated with relatively simple activation patterns in localized regions, higher-order cognitive tasks may produce activity in many different brain areas involving complex neural circuitry. We applied a recently proposed probabilistic independent component analysis technique (PICA) to determine the true dimensionality of the fMRI data and used EEG localization to identify the common activated patterns (mapped as Brodmann areas) associated with a complex cognitive task like analytic reasoning. Our preliminary study suggests that a hybrid GLM/PICA analysis may reveal additional regions of activation (beyond simple GLM) that are consistent with electroencephalography (EEG) source localization patterns." @default.
- W2008606481 created "2016-06-24" @default.
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- W2008606481 date "2010-03-04" @default.
- W2008606481 modified "2023-09-23" @default.
- W2008606481 title "fMRI activation patterns in an analytic reasoning task: consistency with EEG source localization" @default.
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- W2008606481 doi "https://doi.org/10.1117/12.845637" @default.
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