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Dear SPMers, I have an EEG dataset including about 100 subjects (patients, relatives and controls), but the data was only collected using 17 EEG channels. Furthermore, there are no occipital electrodes. Is it possible to consider a DCM analysis on this dataset, or are there too few channels that are not covering the entire scalp? Any advice would be much appreciated! Kind regards, Siri Siri Ranlund Research Assistant & PhD Student Mental Health Sciences Unit University College London Charles Bell House, Room 108 67-73 Riding House Street London, W1W 7EJ Phone: +44 (0)20 767 99312 Email: [log in to unmask]<mailto:[log in to unmask]>