Dear SPMer,
Are there any criteria to choose number of voxels as extend threshold
for an activation map? Does it need to reflect the smoothness of the
images? I am thinking of using 1 resel (e.g. 1 resel = 50 voxels) as
threshold. Is this a good or bad choice?
Thanks,
Ping
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Ping Zou, Ph.D.
Neuroimaging Scientist
Radiological Sciences
St. Jude Children's Research Hospital
(tel) 901-495-2892 (fax) 901-495-5706
[log in to unmask]
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