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Effect of Hemodynamic Variability on Granger Causality Analysis of fMRI
In this work, we investigated the effect of the regional variability of the hemodynamic response on the sensitivity of Granger causality (GC) analysis of functional magnetic resonance imaging (fMRI) data to neuronal causal influences. We simulated fMRI data by convolving a standard canonical hemodyn...
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| Autori principali: | , , |
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| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
2009
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| Soggetti: | |
| Accesso online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3098126/ https://ncbi.nlm.nih.gov/pubmed/20004248 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.neuroimage.2009.11.060 |
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