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EEG Coordination Dynamics Neuromarkers of Social Coordination E. Tognoli

Human Brain and Behavior Laboratory. EEG Coordination Dynamics Neuromarkers of Social Coordination E. Tognoli. Center for Complex Systems and Brain Sciences. tognoli@ccs.fau.edu http://www.ccs.fau.edu/hbbl.html . EEG & Coordination Dynamics. Banerjee et al., in progress. ?.

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EEG Coordination Dynamics Neuromarkers of Social Coordination E. Tognoli

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  1. Human Brain and Behavior Laboratory EEG Coordination DynamicsNeuromarkers of Social CoordinationE. Tognoli Center for Complex Systems and Brain Sciences tognoli@ccs.fau.eduhttp://www.ccs.fau.edu/hbbl.html

  2. EEG & Coordination Dynamics Banerjee et al., in progress ?

  3. Time(s) in EEG * * * * * ** * * -µV 700 ms “real”- time “recursive”- time

  4. Transitions and stability […]

  5. Transitions and stability Behavior: “real”- time -µV 700 ms EEG: “recursive”- time

  6. Transitions and stability

  7. Analyze EEG in “real” time?

  8. Analyze EEG in “real” time?

  9. Analyze EEG in “real” time? Entrained responses Spontaneous oscillations Evoked responses Entrained (patterned) Dynamics Steady-states

  10. Social Coordination

  11. t=20-40s t=0-20s t=40-60s

  12. Collective behavior

  13. Space (scalp surface): 2D Frequency: 1D Amplitude: 1D Fs: 1000 Hz Samples: 16384 Spectral Resolution: 0.06Hz Spatio-spectral patterns 16.384 sec

  14. Intrinsic Behavior Coordination Behavior Intrinsic motor preparation Mirror neuron activity f2↑ f1↑ M1 M1 f1 SELF f2 OTHER

  15. fERS aERD m ERD + = trouble

  16. Coupling between brains

  17. Summary • EEG coordination dynamics: • Develop “real” time analysis of brain~behavior • Employ robust entrained responses • Social Coordination dynamics: • Phi complex: for coordinated~uncoordinated behaviors • Transitions/loss of stability: changes in f dynamics • Gating the influence of self and other on ongoing behavior

  18. Study coordinated with:

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