Estimating Dynamics of Information Processing from EEG and MEG Measurements

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Estimating Dynamics of Information Processing from EEG and MEG Measurements. Philippe G. Schyns Centre of Cognitive Neuroimaging (CCNi) University of Glasgow. Behavioral and Brain Results. Accuracy. RT. N170. P300. Exnex. Gender. 170ms. 300ms. 600ms. [2.5 3.5]. [-0.5 0.5]. Time - PowerPoint PPT Presentation

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Estimating Dynamics of Information Processing from EEG and MEG

Measurements

Philippe G. Schyns

Centre of Cognitive Neuroimaging (CCNi)

University of Glasgow

Behavioral and Brain Results

Exnex

AccuracyRT

Gender

P300N170

170ms 300ms 600ms

214 334 430

Time(ms)

[-0.5 0.5]

[2.5 3.5]

298

The first 400 ms: Networks of MEG sources (Smith et al., Cerebral Cortex)

(Schyns et al., Current Biology; Van Rijsbergen & Schyns, PLoS CB )

DiagnosticInformation

The 4D Face-unculus ;-)

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Conclusions

1. Estimate behavioral information2. Estimate brain signal information3. Infer information processing networks4. Infer state transitions within and between networks between stimulus onset and behavior

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