Dear SPM experts,
I'm new to SPM... I am trying to run a first-level analysis on a task which may, in some runs, lead to an empty EV (modeling incorrect trials, while sometimes no mistakes were made). Something very similar has been discussed before on Jiscmail: https://www.jiscmail.ac.uk/cgi-bin/webadmin?A2=spm;da558d85.05 , but to be honest this discussion went a bit over my head and it was also 10 years ago.
Is anyone aware of a solution for my case? If it changes anything btw, I'm not at all interested in this EV, it is simply present to better model the data and I don't plan to involve it in any contrast.
Thank you. Kind regards, Johannes.
p.s. my first-level script is largely based on this example: http://mypage.iu.edu/~ajahn/docs/Run_SPM_FirstLevel.m
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