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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Xu, Jiansong
September 23, 2003 12:48PM
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Dear AFNI experts:



I am analyzing fMRI data of a n-back study. I want to assess the percentage
of fMRI signal changes within a ROI from 0-back, 1back, 2-back, and 3-back.
Could any one give me some suggestions how to do that? The help is highly
appreciated.



Jiansong Xu

UCLA

Neroimaging Program on Substance Abuse


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<p class=MsoNormal style='text-autospace:none'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Dear AFNI experts:</span></font></p>

<p class=MsoNormal style='text-autospace:none'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>&nbsp;</span></font></p>

<p class=MsoNormal style='text-autospace:none'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>I am analyzing fMRI data of a n-back
study. I want to assess the percentage of fMRI signal changes within a ROI from
0-back, 1back, 2-back, and 3-back. Could any one give me some suggestions how
to do that? The help is highly appreciated.</span></font></p>

<p class=MsoNormal style='text-autospace:none'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>&nbsp;</span></font></p>

<p class=MsoNormal style='text-autospace:none'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Jiansong Xu</span></font></p>

<p class=MsoNormal style='text-autospace:none'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>UCLA</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Neroimaging Program on Substance Abuse</span></font></p>

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Subject Author Posted

fMRI signal intensity within a ROI

Xu, Jiansong September 23, 2003 12:48PM

Re: fMRI signal intensity within a ROI

bob cox September 24, 2003 01:39PM