Dear Soren,
There was a thread on this issue a short while ago that you might find
informative. Darren Gitelman suggested that the problem may be related
to the intersubject variance being less than intrasubject variance:
http://www.jiscmail.ac.uk/cgi-bin/webadmin?A2=ind0506&L=SPM&P=R17690&I=-3&m=20385
Hope this gives you a good lead.
Best wishes,
Narender
Sören Krach wrote:
>Dear list,
>
>in our study, 33 subjects performed a language task. After a random-effect group analysis we got nice activation in the expected language area and additionally, much less nice, in the ventricle system. No ventricular activation was found in the individual subjects. Any idea why that can be?
>
>Sören
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--
Narender Ramnani
Reader in Cognitive Neuroscience
Cognitive Neuroscience Laboratory
Department of Psychology
Royal Holloway University of London
Egham, Surrey TW20 0EX
Tel: 01784 443519 (Direct)
Fax: 01784 434347 (Departmental)
email: [log in to unmask]
www.pc.rhul.ac.uk/nramnani
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