The cluster summary file should indicate which vertex is the maximum. You can then go into matlab and run y = MRIread('y.mgh'); v = squeeze(y.vol(vertexno+1,1,1,:)); where y.mgh is the input to mri_glmfit (ie, the stack of all your subjects) and vertexno is the vertex number from the cluster summary file. v will be a list of number, one for each subbject

On 1/30/19 10:19 AM, Marina Fernández wrote:

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Dear Freesurfer Team,

How can I get the maximum vertex value for each subject in a particular cluster?

Thank you very much.

Marina.

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