Dear SPMers,
I have a parametric study design. One example run is like 1412131. Conditions of 1, 2, 3, 4 represent increases in the level of difficulty. I would like to do a zero, first, and second order terms parametric analysis (Buchel, 1998). Could anybody help me on how to do this with SPM99, especially how to enter the covariate of interest?
Many thanks in advance!
Sincerely,
Yun
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Yun Dong, M.D.,Ph.D.
Dept. of Brain Pathophysiology,
Human Brain Research Center,
Graduate School of Medicine, Kyoto University,
Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
e-mail: [log in to unmask]
Phone: +81-75-751-3603
Fax: +81-75-751-3202
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