Dear all
Just a brief question: Is it possible to restrict MSP source solutions for EEG to grey matter? Whenever I've attempted a LOR inversion, the solutions appear to be restricted to the grey matter folds of the cortex, but this doesn't appear to be the case for MSP. I was hoping this would be possible because an MSP solution I calculated keeps putting the source in the CSF neighbouring the expected cortical position of the source (no matter what other parameters I fiddle with). I wonder whether restriction to grey matter would solve this problem?
Many thanks,
Chris
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