## Abstract The FEBS meeting titled βGenerating neural diversity in the brainβ took place on the island of Capri, from October 13β16. This highβlevel workshop was the 20^th^ in a symposium series organized by the IGB (Instituto Genetica et Biophysica) of Naples funded by international agencies incl
On the relation between brain images and brain neural networks
β Scribed by J.G. Taylor; B. Krause; N.J. Shah; B. Horwitz; H.-W. Mueller-Gaertner
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 200 KB
- Volume
- 9
- Category
- Article
- ISSN
- 1065-9471
No coin nor oath required. For personal study only.
β¦ Synopsis
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 on 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.
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