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- W2318209894 abstract "It is shown how to compute both direct and total effective connection matrices (deCMs and teCMs), which embody the strengths of neural connections between regions, from correlation-based functional CMs using propagator-based interferometry, a method that stems from geophysics and acoustics, coupled with the recent identification of deCMs and teCMs with bare and dressed propagators, respectively. The approach incorporates excitatory and inhibitory connections, multiple structures and populations, and measurement effects. The propagator is found for a generalized scalar wave equation derived from neural field theory, and expressed in terms of neural activity correlations and covariances, and wave damping rates. It is then related to correlation matrices that are commonly used to express functional and effective connectivities in the brain. The results are illustrated in analytically tractable test cases." @default.
- W2318209894 created "2016-06-24" @default.
- W2318209894 creator A5091022473 @default.
- W2318209894 date "2014-10-15" @default.
- W2318209894 modified "2023-10-03" @default.
- W2318209894 title "Determination of effective brain connectivity from functional connectivity using propagator-based interferometry and neural field theory with application to the corticothalamic system" @default.
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- W2318209894 doi "https://doi.org/10.1103/physreve.90.042712" @default.
- W2318209894 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/25375528" @default.
- W2318209894 hasPublicationYear "2014" @default.
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