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I effectively smoothed both modalities the same amount.
The question is whether I should or not smooth before calculating within-subject correlation?
Best, Matthieu
Le sam. 22 juin 2019 à 02:14, Greve, Douglas N.,Ph.D. < DGREVE@mgh.harvard.edu> a écrit :
I'm not sure that this is a question we can answer. If you do smooth, then you should smooth both modalities the same amount.
On 6/18/2019 10:12 PM, Matthieu Vanhoutte wrote:
External Email - Use CautionDear FS experts,
I would like to compute within-subject correlation between two modalities based on vertexwise maps in fsaverage space. I wonder whether I have to smooth the normalized surface-based maps before computing vertexwise within-subject correlation?
I have noted that smoothing surface maps before computing correlation increases the output correlation value.
Thanks for your lights.
Best, Matthieu
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