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Thank you for your prompt response! I've found out that a toolbox I was using before had a function also called "basename". I removed the toolbox and problem solved. Thank you very much for your help!

On Sun, Sep 2, 2018 at 1:23 PM Douglas Greve dgreve@mgh.harvard.edu wrote:

are you using matlab or octave? If matlab, which version? The problem appears to be with the "basename" function, which I wrote in fsfast. It may be that a function of that name already exists in your path and selxavg is not calling my function. You can try putting $FREESURFER_HOME/fsfast/toolbox as the first directory in the matlab path and see if it fixes it.

On 9/1/18 3:45 PM, Addison Wu wrote:

    External Email - Use Caution

Dear List,

I'm trying to use an external regressor to analyze fs-fast tutorial data. I understand a paradigm file would be the sane way to do it, but I'm just trying to understand how external regressors work. I first created a Extreg.dat file for each run of sess01, which contains a 142*5 matrix, saved it in the "00x" run folder. Then I ran mkanalysis-sess command:

mkanalysis-sess \

-fsd bold -stc up -surface fsaverage rh \

-fwhm 5 -notask -TR 2 -taskreg Extreg.dat 1 \

-nskip 4 -analysis test.rh -force -per-run

And a selxavg3-sess command:

selxavg3-sess -s sess01 -analysis test.rh

But I got an error report of this:

Extension format = nii.gz

INFO: key nSliceGroups unrecognized, line 11, skipping

Error using basename

Too many input arguments.

Error in fast_ldanaflac (line 437)

taskregevname = basename(taskreg,'dat'); % remove .dat

Error in fast_selxavg3b (line 107)

flac0 = fast_ldanaflac(analysis);

437 taskregevname = basename(taskreg,'dat'); % remove .dat

K>> ------------------------------------------

ERROR: fast_selxavg3() failed\n

I've tried a bunch of things, including removing the ".dat" manually for the file, or in the command lines, or changing the "taskreg" to -1 or 5, but none of them worked.

Is there anyway I can solve the problem and use external regressors for the tutorial data?

Thank you!

Addison

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