| Hauptseite > Publikationsdatenbank > On the relation between brain images and brain neural networks |
| Journal Article | PreJuSER-56348 |
; ; ; ;
2000
Wiley-Liss
New York, NY
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Please use a persistent id in citations: http://hdl.handle.net/2128/3767
Abstract: The relationship between brain images observed by PET and fMRI and the underlying neural activity is analysed using recent results on the detailed nature of averaged and synchronised activity of coupled neural networks and on a simplifying model of the level of blood flow caused by neural activity. The conditions bn the coupled neural systems are specified that lead to structural equation models, giving support to analysis of the covariance structural equation modelling of brain imaging data. The relation between the resulting models and possible neural codes are analysed. Furthermore, a new form of structural equation model is derived, in which all neuronal activity arises as hidden variables. We discuss how the results of such analyses can be transported back to the domain of coupled temporally dynamic neural systems in the brain appropriate to EEG and MEG observations. (C) 2000 Wiley-Liss, Inc.
Keyword(s): J ; fMRI (auto) ; brain (auto) ; PET (auto) ; neural activity (auto)
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