Explore recent advances, challenges, and future prospects in decoding cognitive function using magnetoencephalography (MEG) in this 31-minute lecture by Dimitrios Pantazis from MIT's McGovern Institute for Brain Research. Delve into the conceptual framework of MEG decoding, including time-resolved techniques and representational similarity analysis. Examine practical examples such as decoding the orientation of contrast edges and learn about temporal generalization of decoding. Address key conceptual issues like classifier selection, interpretation of decoding accuracies and weights, and the differences between single-stimulus and condition decoding. Gain insights into cross-time decoding and its implications for understanding cognitive processes.
Decoding Cognitive Function with MEG - Recent Advances, Challenges, and Future Prospects
Overview
Syllabus
Decoding patterns in neuroimaging
Information encoded in MEG signals
Conceptual framework of MEG decoding
Time-resolved MEG decoding
Example: Decoding the orientation of contrast edges
Representational similarity analysis MEG vs. hypothesized models
Temporal generalization of decodine
More decoding examples
Conceptual issues
Selection of a classifier
interpreting decoding accuracies
Interpreting decoding weights
What goes into the classifier? Single-stimulus decoding
Condition decoding
Cross-time decoding
Taught by
MITCBMM
