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Sorry for the late reply, the message was non stop bounced.

So, here You will find:

- terminal output for `selxavg3-sess` (filename: terminal_output.txt). I copied only the last part when freesurfer accesses to MATLAB and where the error occurs;

- the mat file from expanding ring and for rotating wedge (filename: expring_SUBJ02_20191122.mat and rotwedge_SUBJ02_20191122.mat).

- paradigm files for expanding ring and for rotating wedge

Thank you for your precious help,

Marco

On Fri, 3 Jan 2020 at 17:51, Greve, Douglas N.,Ph.D. <DGREVE@mgh.harvard.edu> wrote:

Can you send your paradigm files? Can you also send the terminal output? One more thing, can you send the X.mat file from the output folder?

On 1/2/2020 3:19 AM, Marco Ninghetto wrote:

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Hello experts,

I'm performing retinotopy analysis but when running the command 

    selxavg3-sess

It starts, but after some lines, I get the following error:

    ERROR: design is ill-conditioned

I don't know how to proceed from here to solve the error. 

My retinotopy stimuli make 2 cycles (e.g.: rotating wedge makes 2 full cycles before quit) and each cycle takes 200 seconds to complete. TR is set to 2.5 seconds.

Please, does anyone have any advice?

Thanks in advance,

Marco

--

---------------------------------------------------

Marco Ninghetto, PhD candidate
Laboratory of Neuroplasticity
Nencki Institute of Experimental Biology
Polish Academy of Sciences
3 Pasteur Street, 02-093 Warsaw, Poland

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---------------------------------------------------

Marco Ninghetto, PhD candidate
Laboratory of Neuroplasticity
Nencki Institute of Experimental Biology
Polish Academy of Sciences
3 Pasteur Street, 02-093 Warsaw, Poland

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