Hi everyone,
we have two question about the first level analysis. We are proceeding an event related fmri study. The paradigm consists of two regressors; one is word (real word vs, nonword) and the other is conflict (conflict(+) vs, conflict(-)). Thus we have four conditions. The questions are, (1) for each subject, which statistics (one sample t-test, two samples t test or paired t test) proper to obtain the contrasts that will be used in the second level analysis, (2) how should contrast weights vector be entered.
Apologize for these fundamental questions
Regards
Orhan
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