Hi Frank, sfa-sess does not exist in version 5 of FreeSurfer because
its functions have been incorporated into selxavg3-sess. It will be a
lot easier to support you if you move to version 5. Unfortunately, I
have been slow in getting it documented. Having said that, I think the
new version is a lot easier to use. It is very similar to regular task
studies, which is pretty well documented (see
http://nmr.mgh.harvard.edu/~greve/fsfast.intro.ppt).
For retinotopy, there are only a few deviations:
1.a. When you create the analysis, specify something like:
mkanalysis-sess -a rtopy.self.lh -surface self lh -TR 2 -fwhm 5
-retinotopy 30 -paradigm rtopy.par
where "-retinotopy 30" means that it is a retinotopy study with a
period of 30 sec
1.b Run selxavg3-sess (instead of sfa-sess)
1.c Run tksurfer-sess, like
tksurfer-sess -s sess -a rtopy.self.lh
This will show you the eccen and polor contrasts
2.a Create a field sign (with an occipital patch) with:
fieldsign-sess -a rtopy.lh -s sess -occip
2.b View the fieldsign
tksurfer-sess -s sess -a rtopy.self.lh -fieldsign
The above assumes that you want to analyze the data on the subject's
left hemi. Make and run anther analysis for the right hemi
doug
f.le...@donders.ru.nl wrote:
> Hi everyone,
>
> The e-mail included below I sent some time ago, maybe it slipped through. In
> the mean time I did find out I can plot the results with tksurfer-sess like
>
> tksurfer-sess -s S2_FS -h rh -analysis rtopy -c polar -map h
>
> But then two big questions remain:
> - How to interpret these color codes?
> - How to threshold them on significance?
> (Third one: how to interpolate them to get away from the patchy
> representation?)
>
> The other questions stated below are also still relevant.
>
> Asked this before, but can we add stuff ourselves to the wiki? Found out
> quite a bit about the retinotopic inner workings which I wasn't able to find
> anywhere else, might help some others.
>
> kind regards,
>
> Frank
>
> Old topic, but it is directly related, so I'll just continue it here.
>
> In the end I have the spots on the right place, but now it's not clear
> to me how to interpret the map. I have created three overlays (sign,
> log10 * sin, log10 * cos, like mentioned in selfreq.pdf) and loaded them
> all three in tksurfer. Most important question now: how to relate these
> three to get one figure instead of three separate?
>
> Other more minor questions:
> - What do the values actually mean? Apparently I can threshold on the
> basis of them, but that does't make sense to do, because the direction
> info is also in there, right? I should probably threshold the F-values
> first, before overlaying them on the inflated brain.
> - What happened to sfa-sess in the new version of freesurfer? I can't
> seem to find it.
> - Why does the sfa-sess script check whether amp data is present?
> Looking at the script, the line that checks whether there is amplitude
> data can safely be removed.
> - Just like the original Sereno paper, I have 20s pre and post stimulus
> presentation time. I now only use the data where the convolved DM
> predicts there will be signal, so discarding the first 20s and, due to
> the HRF, keeping almost the entire second 20s. Is this the correct thing
> to do, or should I rather keep everything / make sure I have an exact
> number of periods for each stimulus?
>
> Thanks a lot in advance,
>
> kind regards,
>
> Frank
>
>
> On Mon, 2010-01-18 at 17:32 -0500, Douglas N Greve wrote:
>
>> If the activation is showing up in the wrong places, then that probably
>> means that the registration is off. Have you checked the registration.
>>
>> doug
>>
>> f.le...@donders.ru.nl wrote:
>>
>>> Probably my e-mail just slipped through, so just a short notice that I
>>> still have the problem with the overlay mentioned in the last e-mail:
>>>
>>> "I now have a polar map overlayed on my inflated brain. But something seems
>>> to be amiss, because it plots it mainly on the temporal lobe, with nothing
>>> on the most dorsal slices, while actually I only scanned the 18 most dorsal
>>> (oriented along the occipital-parietal axis), sot here shouldn't be
>>> anything in the temporal or inferior frontal lobe. How can this be/where is
>>> it going wrong?
>>>
>>> Moreover, I'm not sure on the format used by the polar map: the scale bar
>>> states it ranges from 1.18 to 1.18, but I don't see the sense in that. What
>>> will come out? Radians I pressume?"
>>>
>>> Is it possible to edit the wikipages ourselves btw? I could add some more /
>>> update the info on the retinotopic mapping to help other people when I got
>>> it all figured out.
>>>
>>> kind regards, thanks in advance,
>>>
>>> Frank
>>>
>>> ----- Original Message -----
>>> From: "f.le...@donders.ru.nl" <f.le...@fcdonders.ru.nl>
>>> To: freesurfer@nmr.mgh.harvard.edu
>>> Sent: Monday, January 11, 2010 9:15:43 AM GMT +01:00 Amsterdam / Berlin /
>>> Bern / Rome / Stockholm / Vienna
>>> Subject: Re: [Freesurfer] Retinotopic mapping of only polar data
>>>
>>> Hi everyone,
>>>
>>> Doug: thanks a lot for the reply, that indeed worked, I now have a polar
>>> map overlayed on my inflated brain. But something seems to be amiss,
>>> because it plots it mainly on the temporal lobe, with nothing on the most
>>> dorsal slices, while actually I only scanned the 18 most dorsal (oriented
>>> along the occipital-parietal axis), sot here shouldn't be anything in the
>>> temporal or inferior frontal lobe. How can this be/where is it going wrong?
>>>
>>> Moreover, I'm not sure on the format used by the polar map: the scale bar
>>> states it ranges from 1.18 to 1.18, but I don't see the sense in that. What
>>> will come out? Radians I pressume?
>>>
>>> kind regards, thanks a lot in advance,
>>>
>>> Frank
>>>
>>> ----- Original Message -----
>>> From: "Douglas N Greve" <gr...@nmr.mgh.harvard.edu>
>>> To: "Frank Leoné" <f.le...@donders.ru.nl>
>>> Cc: freesurfer@nmr.mgh.harvard.edu
>>> Sent: Friday, January 8, 2010 4:26:21 PM GMT +01:00 Amsterdam / Berlin /
>>> Bern / Rome / Stockholm / Vienna
>>> Subject: Re: [Freesurfer] Retinotopic mapping of only polar data
>>>
>>> You can generate a register.dat with either fslregister-sess or
>>> spmregister-sess, or, if you have it in your version, use bbregister
>>> (note that there is not a -sess version for this yet).
>>>
>>> You can then use mri_vol2surf to resample the h.nii file to the surface,
>>> then view it in tksurfer. You can also extract certain frames with
>>> mri_convert with the --frame option.
>>>
>>> doug
>>>
>>> f.le...@donders.ru.nl wrote:
>>>
>>>
>>>> Hi everyone,
>>>>
>>>> Still not working fully, partly because I'm missing some info on the file
>>>> formats. What I now did was a run of selfreqavg with four input polar
>>>> sessions, which ran succesfully. This gives me the expected h.nii. Now I
>>>> either want to
>>>>
>>>> - use this h file directly, using paint-sess (get message register.dat is
>>>> missing) and sliceview-sess (get message it can't determine format
>>>> h-offset, which makes sense, because it doesn't exist)
>>>> - or extract w files from the first three layers of the nii files and
>>>> superimpose them in tksurfer. I don't know how I should extract them
>>>> though. Can use the SPM surfrend functions, but I can't imagine that is
>>>> the way, or is it?
>>>>
>>>> Hopefully someone can help me along either of the two paths, I'm really
>>>> eager to see whether the retinotopic analysis worked. Thanks a lot in
>>>> advance!
>>>>
>>>> kind regards,
>>>>
>>>> Frank
>>>>
>>>> ----- Original Message -----
>>>> From: "f.le...@donders.ru.nl" <f.le...@fcdonders.ru.nl>
>>>> Cc: freesurfer@nmr.mgh.harvard.edu
>>>> Sent: Monday, January 4, 2010 9:35:51 AM GMT +01:00 Amsterdam / Berlin /
>>>> Bern / Rome / Stockholm / Vienna
>>>> Subject: Re: [Freesurfer] Retinotopic mapping of only polar data
>>>>
>>>> Hi everyone,
>>>>
>>>> I fixed it with the help of Jascha: when using the full path, e.g.
>>>> /home/frank/etc.../007/f.nii it does find them. So it is now running.
>>>> Thanks for the help!
>>>>
>>>> kind regards,
>>>>
>>>> Frank
>>>>
>>>> ----- Original Message -----
>>>> From: "Douglas N Greve" <gr...@nmr.mgh.harvard.edu>
>>>> To: "Frank Leoné" <f.le...@donders.ru.nl>
>>>> Cc: freesurfer@nmr.mgh.harvard.edu
>>>> Sent: Tuesday, December 22, 2009 7:58:23 PM GMT +01:00 Amsterdam / Berlin
>>>> / Bern / Rome / Stockholm / Vienna
>>>> Subject: Re: [Freesurfer] Retinotopic mapping of only polar data
>>>>
>>>> Do you have read permissions to the file? If so, can you send the log
>>>> file created by sfa-sess?
>>>>
>>>> f.le...@donders.ru.nl wrote:
>>>>
>>>>
>>>>
>>>>> Thanks a lot for the reply. I now bump into different problems though: it
>>>>> doesn't understand my f.nii file, see below. I run:
>>>>>
>>>>> fr...@frank-desktop:~/PhD/data/Exp1_Saccades_phase$ sfa-sess -a rtopy -s
>>>>> FSFAST_S1/
>>>>>
>>>>> and I think the main error line is:
>>>>>
>>>>> ERROR: cannot determine format of 007/f
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>> ??? Attempt to reference field of non-structure array.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>> 007 is my first session (is a dir) and in there is one f.nii, which
>>>>> includes all the scans of that run. . Previously I tried it with separate
>>>>> scan files, but that didn't work either. So what does it expect? And will
>>>>> it work with data preprocessed in SPM instead in FreeSurfer? The rest of
>>>>> the dir structure is setup as specified in the guide
>>>>>
>>>>> Hopefully someone can help me, thanks a lot in advance,
>>>>>
>>>>> kind regards,
>>>>>
>>>>> Frank
>>>>>
>>>>> fr...@frank-desktop:~/PhD/data/Exp1_Saccades_phase$ mkanalysis-sess.new
>>>>> -force -a rtopy -TR 2.12 -designtype retinotopy -paradigm rtopy.par
>>>>> -funcstem f -ncycles 8
>>>>> INFO: analysis rtopy exists, but overwrite forced by user.
>>>>> Completed successfully
>>>>> fr...@frank-desktop:~/PhD/data/Exp1_Saccades_phase$ sfa-sess -a rtopy -s
>>>>> FSFAST_S1/
>>>>> --------------------------------------------------------------
>>>>> sfa-sess logfile is
>>>>> /home/frank/PhD/data/Exp1_Saccades_phase/log/sfa-sess-bold-rtopy-0912221252.log
>>>>> --------------------------------------------------------------
>>>>> -------------------------------------------
>>>>> /home/frank/PhD/data/Exp1_Saccades_phase/FSFAST_S1
>>>>> Tue Dec 22 12:52:30 CET 2009
>>>>> INFO (FSFAST_S1): RunList = 007 008 009 010 011
>>>>> --------------------------------------------------
>>>>> /home/frank/PhD/data/Exp1_Saccades_phase/FSFAST_S1/bold
>>>>> selfreqavg -TR 2.12 -o rtopy/polar/h -i 007/f -i 008/f -i 009/f -i 010/f
>>>>> -cfg /home/frank/PhD/data/Exp1_Saccades_phase/rtopy/analysis.cfg -parname
>>>>> rtopy.par
>>>>> --------------------------------------------------
>>>>> --- Parsing Config File:
>>>>> /home/frank/PhD/data/Exp1_Saccades_phase/rtopy/analysis.cfg ----
>>>>> -ncycles 8 -delay 0 -nskip 0 -fwhm 0
>>>>> DirectionList: +1 +1 +1 -1
>>>>> Warning: Unable to open display 'iconic'. You will not be able to
>>>>> display graphics on the screen.
>>>>>
>>>>> < M A T L A B (R) >
>>>>> Copyright 1984-2009 The MathWorks, Inc.
>>>>> Version 7.8.0.347 (R2009a) 64-bit (glnxa64)
>>>>> February 12, 2009
>>>>>
>>>>>
>>>>> To get started, type one of these: helpwin, helpdesk, or demo.
>>>>> For product information, visit www.mathworks.com.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Extension format = nii
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> hanrad = 0
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ERROR: cannot determine format of 007/f
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>> ??? Attempt to reference field of non-structure array.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>> ??? Attempt to reference field of non-structure array.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>> ??? Attempt to reference field of non-structure array.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>>>> ??? Attempt to reference field of non-structure array.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>>>> ??? Undefined function or variable 'lastslice'.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>> ??? Attempt to reference field of non-structure array.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>>>>>> ??? Attempt to reference field of non-structure array.
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ??? Index exceeds matrix
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> dimensions.
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>>>>>>>>>> ??? Attempted to access tmp(NaN); index must be a positive
>>>>>>>>>>>>>>> integer or logical.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>> ??? Attempted to access tmp(NaN); index must be a positive integer or
>>>>>>> logical.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>> ??? Attempted to access tmp(NaN); index must be a positive integer or
>>>>>>> logical.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>> ??? Attempted to access tmp(NaN); index must be a positive integer or
>>>>>>> logical.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>> ??? Attempted to access tmp(NaN); index must be a positive integer or
>>>>>>> logical.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>> ??? Attempted to access tmp(NaN); index must be a positive integer or
>>>>>>> logical.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Slice >> ??? Undefined function or variable
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 'lastslice'.
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>>>>>> ??? Attempt to reference field of non-structure array.
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>> Error in ==> MRIwrite at 94
>>>>> hdr.dim = [mri.volsize(2) mri.volsize(1) mri.volsize(3) mri.nframes];
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>>>>>> ??? Attempt to reference field of non-structure array.
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>> Error in ==> MRIwrite at 94
>>>>> hdr.dim = [mri.volsize(2) mri.volsize(1) mri.volsize(3) mri.nframes];
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>>>>>> ??? Attempt to reference field of non-structure array.
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>> Error in ==> MRIwrite at 94
>>>>> hdr.dim = [mri.volsize(2) mri.volsize(1) mri.volsize(3) mri.nframes];
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>>>>>>>> Saving header to rtopy/polar/h
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>> Could not open rtopy/polar/h.sfa for writing
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>> quiting matlab
>>>>> selfreqavg COMPLETED
>>>>> mri_convert rtopy/polar/h.nii -o rtopy/polar/h-offset.nii --frame 10
>>>>> mri_convert rtopy/polar/h.nii -o rtopy/polar/h-offset.nii --frame 10
>>>>> niiRead(): error opening file rtopy/polar/h.nii
>>>>>
>>>>> ----- Original Message -----
>>>>> From: "Douglas N Greve" <gr...@nmr.mgh.harvard.edu>
>>>>> To: "Frank Leoné" <f.le...@donders.ru.nl>
>>>>> Cc: freesurfer@nmr.mgh.harvard.edu
>>>>> Sent: Wednesday, December 16, 2009 5:12:41 PM GMT +01:00 Amsterdam /
>>>>> Berlin / Bern / Rome / Stockholm / Vienna
>>>>> Subject: Re: [Freesurfer] Retinotopic mapping of only polar data
>>>>>
>>>>> If you run the retinotopy analysis, it will expect eccen. If it stops
>>>>> without doing the polar analysis, you can "fool" it by copying the polar
>>>>> data into the eccen directory.
>>>>>
>>>>> doug
>>>>>
>>>>> f.le...@donders.ru.nl wrote:
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>> Dear all,
>>>>>>
>>>>>> I just started using FreeSurfer, specifically for retinotopic data, on
>>>>>> the moment only polar data. So I followed the guide as mentioned on
>>>>>> http://surfer.nmr.mgh.harvard.edu/fswiki/FsFastIndividualRetinotopyAnalysis
>>>>>> . This does seem to work to some extend, except that it complains that
>>>>>> I don't have eccentricity data. He is right about that, but is the
>>>>>> analysis also doable with the eccentricity data? I really hope so,
>>>>>> thanks a lot in advance,
>>>>>>
>>>>>> kind regards,
>>>>>>
>>>>>> Frank
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>
>>>
>
> ----- Oorspronkelijk bericht -----
> Van: "Frank Leone" <f.le...@donders.ru.nl>
> Aan: "f leone" <f.le...@donders.ru.nl>
> Verzonden: Woensdag 6 oktober 2010 17:16:43 GMT +01:00 Amsterdam / Berlijn /
> Bern / Rome / Stockholm / Wenen
> Onderwerp: [Fwd: Re: [Freesurfer] Retinotopic mapping of only polar data]
>
>
>
>
--
Douglas N. Greve, Ph.D.
MGH-NMR Center
gr...@nmr.mgh.harvard.edu
Phone Number: 617-724-2358
Fax: 617-726-7422
Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html
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