Dear Ananth,
what happens when you overlay your activation map not simply on the glass brain, but on an according template, e.g. 'T1.nii'?
Best regards,
Lucas
> -----Ursprüngliche Nachricht-----
> Von: "Ananth Narayanan" <[log in to unmask]>
> Gesendet: 08.09.08 17:44:31
> An: [log in to unmask]
> Betreff: [SPM] Registration problem (Activation outside glass-brain region)
> I am running the analysis on data I acquired using the Philips 3T scanner.
>
> The sequence of steps I ran was
>
> Slice Timing
> Realign & Unwarp
> Coregister [Mean image from previous step]
> Normalize [to \spm\template\epi]
> Smooth [5 5 5]
>
> Most of the options were default.
>
> When I ran statistics on it (block design: 24 sec activation vs. 30 second
> rest, starting and ending with rest; FWE, p=0.05), activation appears
> outside the glass brain. I ran the statistics again (none, p=0.99) and the
> activated region went outside the glass brain as well.
>
> I assume this is some sort of a registration problem. Is there a way I can
> fix it? What exactly is going on? Thanks.
>
_________________________________________________________________________
In 5 Schritten zur eigenen Homepage. Jetzt Domain sichern und gestalten!
Nur 3,99 EUR/Monat! http://www.maildomain.web.de/?mc=021114
|