Dear Nicholas,
you can do this in SPM itself. Take the time series, set up a new model
with no conditions and enter the time series as regressor. You can then
do a t-test on the regressor and enter the resulting spmT map into the
Volumes Toolbox->Stats Tools->Transform t maps.
volkmar
Am Dienstag, den 24.06.2008, 14:11 +1000 schrieb Nicholas Bradfield:
> dear all,
> does anyone know where i can obtain an extension/toolbox for matlab that will allow me to correlate an roi time series with every other voxel and output a summary image that will contain the correlation coefficients at each voxel so that i can enter it into a second level analysis?
> any help would be greatly appreciated.
> nick
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Volkmar Glauche
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Department of Neurology [log in to unmask]
Universitaetsklinikum Freiburg Phone 49(0)761-270-5331
Breisacher Str. 64 Fax 49(0)761-270-5416
79106 Freiburg http://fbi.uniklinik-freiburg.de/
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