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Towards a model-based integration of co-registered electroencephalography/functional magnetic resonance imaging data with realistic neural population meshes.

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Presentation on theme: "Towards a model-based integration of co-registered electroencephalography/functional magnetic resonance imaging data with realistic neural population meshes."— Presentation transcript:

1 Towards a model-based integration of co-registered electroencephalography/functional magnetic resonance imaging data with realistic neural population meshes by I. Bojak, Thom F. Oostendorp, Andrew T. Reid, and Rolf Kötter Philosophical Transactions A Volume 369(1952):3785-3801 October 13, 2011 ©2011 by The Royal Society

2 (a) Neural population model surface (blue) between the Civet interfaces of grey matter with white matter (yellow) and cerebrospinal fluid (orange). I. Bojak et al. Phil. Trans. R. Soc. A 2011;369:3785-3801 ©2011 by The Royal Society

3 (a) Before (top) and after (bottom) pruning. I. Bojak et al. Phil. Trans. R. Soc. A 2011;369:3785-3801 ©2011 by The Royal Society

4 (a) Head model as extracted from structural magnetic resonance imaging. I. Bojak et al. Phil. Trans. R. Soc. A 2011;369:3785-3801 ©2011 by The Royal Society

5 (a) Direct connections,, and within the cortical volume are concatenated to the shortest route. I. Bojak et al. Phil. Trans. R. Soc. A 2011;369:3785-3801 ©2011 by The Royal Society

6 (a) Projection vectors for vertex si and voxel vj, and resulting weights from high (red) to low (blue). I. Bojak et al. Phil. Trans. R. Soc. A 2011;369:3785-3801 ©2011 by The Royal Society

7 Dependence of the power spectral density of the ECoG on the strength of specific connectivity. I. Bojak et al. Phil. Trans. R. Soc. A 2011;369:3785-3801 ©2011 by The Royal Society

8 Predictions of (a) scalp EEG, (b) ECoG and (c) fMRI BOLD for different strengths of specific connectivity: 0% (top), 30%, 60%, 85% and 90% (bottom). I. Bojak et al. Phil. Trans. R. Soc. A 2011;369:3785-3801 ©2011 by The Royal Society


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