1. Brain electrical grids and computing grids: A perfect match Mike X Cohen

2. The brain

3. GREEN The behavior

4. Brain electrical activity

5. Cutting-edge EEG recording technology 256 electrodes 1 kHz sampling ~5 GB/hour

6. Magnitude (  ) Phase angle (  ) real * imag. m   Data dimension explosion

7. 21437174 Beamforming for source localization

8. Data dimensions: 1)Space (spherical or 3D) 2)Time 3)Frequency (power vs. phase) 4)Experiment condition 5)Connectivity 6)Subjects Why we need computational power

9. Example of typical results

10. It gets worse: Anatomical connectivity is also important.

11. Voxels EEG connectivity matrix Voxels DTI connectivity matrix EEG single-trial power MNE conflict effect Seeded tractography Linking anatomical and functional connectivity

12. The problem: Brain data analyses involve many repeated transformations of very large data matrices. Standard computers cannot handle these analyses without annoying interventions.

13. The solution: A scalable, dynamic, and remotely accessible grid of processors.

14. *Note: open to collaborations starting in 2013!