Hi Yas
Sounds like you need to look at the times series?, if so there are several
ways of getting at this depending on the type of data you want. The
messages below should point you to some different ways of doing this.
Kalina Christoff also has some useful scripts
http://www-psych.stanford.edu/~kalina/SPM99/Tools/roi.html.
http://www.mailbase.ac.uk/lists/spm/2000-06/0169.html
http://www.mailbase.ac.uk/lists/spm/2000-06/0109.html
http://www.mailbase.ac.uk/lists/spm/2000-05/0150.html
Cheers
Bill
At 14:17 04/09/01 +0100, you wrote:
>Dear SPM'ers
>I do phamacological fMRI and so my paradigms only consist of one off and
one on
>period. I am trying to determine signal drift across my sample , any ideas?.
>When I try to get a measurement using the VOI function the pointer moves
to an
>area activated so I can't get the data that I want to get at. Help!
>Yas
>Yasmene Shah
>Magnetic Resonance Centre
>University of Nottingham
>NG7 2RD
>Tel. no. 44 (0)115 915 1515 ext 18286/14751
>
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