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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Sally Durgerian
April 17, 2003 01:19PM
BRIDGING THE GAP BETWEEN NEUROIMAGING AND NEURONAL PHYSIOLOGY by D. Kim and K.Ugurbil, Image Anal Stereol 2002;21:97-105
(www.stereologysociety.org/pdf/vol21no2/kim_04.pdf) addresses this issue (Question 4 on page 6) and gives a few recent references.
Their short answer:
"To the best of our knowledge, there is currently no evidence that the metabolic demands differ greatly between excitatory and inhibitory synapses."

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Subject Author Posted

To what synaptic events does a BOLD signal increase relate?

Jim Bjork April 17, 2003 10:10AM

Re: To what synaptic events does a BOLD signal increase relate?

Sally Durgerian April 17, 2003 01:19PM

Re: To what synaptic events does a BOLD signal increase relate?

Sally Durgerian April 17, 2003 01:41PM