25 April 2009

Interpreting EEG/MEG data

Exploiting temporal delays in interpreting EEG/MEG data in terms of brain connectivity

Problem of volume conduction
Cross-spectrum
EEG-simulation of ERD (two sources)
Rest coherence
EEG-simulation of ERD (one source)
Change in coherence pt 1
Change in coherence pt 2
Observation
Explicit derivation
Coherence
Selfpaced movement - C3-C4 relationships
Significance - False Discovery Rate (FDR)
Simulated non-interacting sources
Results
Difference between cross-spectrum pt 1
Difference between cross-spectrum pt 2
Imaginary part - 5 dipoles
“Philosophy” pt 1
“Philosophy” pt 2
“Philosophy” pt 3
Pairwise Interacting Source Analysis (PISA)
EEG - imagined foot movement
Music pt 1
Music pt 2
Example 1
Example 2
Result ISA-pattern
Conclusion

Presentation Slides

Video

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