AFNI Message Board

Dear AFNI users-

We are very pleased to announce that the new AFNI Message Board framework is up! Please join us at:

https://discuss.afni.nimh.nih.gov

Existing user accounts have been migrated, so returning users can login by requesting a password reset. New users can create accounts, as well, through a standard account creation process. Please note that these setup emails might initially go to spam folders (esp. for NIH users!), so please check those locations in the beginning.

The current Message Board discussion threads have been migrated to the new framework. The current Message Board will remain visible, but read-only, for a little while.

Sincerely, AFNI HQ

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bob cox
August 15, 2007 08:40AM
It is POSSIBLE to do this analysis with the GAMMA (or BLOCK(1,1)) response function, but it probably won't give significantly different results -- if every event in the block is the same stimulus class. If the events are NOT in the same class, then your estimated amplitudes for the various closely-spaced classes may be highly correlated, since their responses will overlap strongly. You can judge this by looking at the correlation coefficient of the estimates, using program 1ddot on the -x1D matrix output (for example).
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quick question: can block design be processed with Gamma function?

xin August 14, 2007 04:10PM

Re: quick question: can block design be processed with Gamma function?

xin August 15, 2007 02:03AM

Re: quick question: can block design be processed with Gamma function?

bob cox August 15, 2007 08:40AM