Hi Rita,
Looks like you are using SPM96 in MEDx3.3.
You could do what you want by creating a custom waveform comprising your
covariate values and then using this waveform in your design. You would need
to use User Defined for Response Type under the Data, Design and Numbers
Tab.
Regards....Raj
*********************************************
Raj Jagannathan
Medical Products Division
Sensor Systems, Inc.
http://medx.sensor.com
*********************************************
----- Original Message -----
From: "Rita" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, June 14, 2001 1:55 PM
Subject: Analysing a covariate of interest in an fMRI study using SPM in
Medx
> In the SPM statistics modules in Medx, when analysing FMRI data, it
appears
> that a person can only enter confounds, but not covariates of interest. I
> have a situation in which I would like to look at the effect of a
> performance measure on fMRI activation across subjects. How would I go
> about doing this? Is this possible?
> Thank you.
> Sincerely,
> Rita Rossi
>
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