Dear SPM group:
Please allow me ask my question again since there is no one answered my
previous mail.
I am doing random effect analysis on 10 subjects. To my understanding, we
don't need to correction for multiple comparison. Is this correct?
In this case, is a threshold of p < 0.05 (height threshold T = 1.75) without
voxel extent threshold can be acceptable for statistical report?
Any advice will be deeply appreciated.
Sincerely
Ming-Ting
===================================================================
Ming-Ting Wu, MD. Department of Radiology
386 Ta-chung 1st Rd.
Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan, 813
Tel: 886-7-3422121 ext 6205, 6235
Fax: 886-7-3468301
mobile: 0920040712
----- Original Message -----
From: "Karsten Specht" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, December 12, 2000 8:08 PM
Subject: AW: displaying activation on individual anatomicals
> Dear Charvy,
>
> you are on the right way!
> There are several possibilities to display the statistical results onto
the
> individual brain. First, you can select under the 'Result' Section the
> option 'overlays' and you will asked for an image. Here you can select the
> individual, normalized image.
> An other possibility is within the 'Display' Section. Here you can select
> the option 'Add blobs'. Within this option, you can display more than one
> contrast in different colours.
> To get an individual rendered brain, you should select first the 'Segment'
> option, then 'Render'-'Xtract Brain' and you will get an individual
rendered
> brain.
>
> Good luck
>
> Karsten
>
> ----------------------------------
> Dipl. Phys. Karsten Specht
>
> Medizin Center Bonn
> Spessartstrasse 9
> 53119 Bonn
> Germany
>
> Phone: ++49-(0)228/90 81-178
> Fax: ++49-(0)228/90 81-190
> E-Mail: [log in to unmask]
> WWW: http://www.mcbonn.de
>
> > -----Ursprüngliche Nachricht-----
> > Von: SPM (Statistical Parametric Mapping) refers to functional brain
> > mapping ana [mailto:[log in to unmask]]Im Auftrag von Charvy Narain
> > Gesendet: Dienstag, 12. Dezember 2000 12:47
> > An: [log in to unmask]
> > Betreff: displaying activation on individual anatomicals
> >
> >
> > Dear SPM,
> >
> > Is there any way in spm to display contrasts onto individual subjects'
> > anatomicals, rather than on the MNI template (preferably as a colour
> > rendered image, but if this is not possible, then just as a
> > superimposition)?
> >
> > The individual anatomicals were normalised into MNI space using the
> > following procedure:
> >
> > - coregister the anatomicals to the mean functional image (coregister
> > only: no reslicing)
> > - normalise the structural image into MNI space using the *sn3d.mat file
> > generated from normalising the mean functional to the EPI template.
> >
> > Is this correct? And if so, what is the next step?
> >
> > An earlier reply by John Ashburner to a similar question recommended
> > displaying the background image, and then superimposing 'blobs' onto it
> > by using an undocumented feature of spm99b
> > (http://www.jiscmail.ac.uk/cgi-bin/wa.exe?S2=spm&q=displaying+acti
> > vations&s=&f=&a=&b=.
> > However, when I tried this,it didn't work too well. Any ideas would be
> > very welcome!
> >
> > Thanks,
> > Charvy
> >
> >
|