Re: [Freesurfer] Problem running recon-all with option -qcache

2011-02-07 Thread Ed Gronenschild
Hi Doug,

Indeed, you are right, I forgot to run recon-all -autorecon3.

It is not well documented that after running -autorecon2-wm
one should also run -autorecon3. I had the impression that
this portion was executed automatically by -autorecon2-wm.

Ed

On 2 Feb 2011, at 18:03, Douglas N Greve wrote:

 Hi Ed, that subject is out-of-synch (maybe it got aborted). You'll  
 need
 to re-run some portion of recon-all depending upon where in the stream
 it aborted.

 doug

 Ed Gronenschild wrote:
 Hi,

 A serious error was encountered in running recon-all with option
 -qcache.
 The error occurred during execution of mri_surf2surf and the
 message was:

 number of vertices in ../subjectID/surf/lh.thickness does not  
 match
 surface (141969,131763).

 It means the number of vertices in lh.sphere.reg does not
 match the number in lh.thickness.

 I traced the course of this error and that is causing me serious
 troubles. What happened? I edited the wm voxels and then
 invoked another call to recon-all by issueing the command
 recon-all -autorecon2-wm.
 Looking at the dates of the files in the surf directory I noticed
 that the file lh.sphere.reg was not updated, so it was still the
 same file as before editing the wm voxels. The lh.thickness
 was correctly updated as expected.

 What can I do to use the -qcache option?

 Ed

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 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
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 The information in this e-mail is intended only for the person to  
 whom it is
 addressed. If you believe this e-mail was sent to you in error and  
 the e-mail
 contains patient information, please contact the Partners Compliance  
 HelpLine at
 http://www.partners.org/complianceline . If the e-mail was sent to  
 you in error
 but does not contain patient information, please contact the sender  
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Re: [Freesurfer] reg-feat2anat: a problem!

2011-02-07 Thread Douglas N Greve
Hi Aga, are you using nifti? If analyze, that could be the problem. Do 
your functionals and anatomicals have a different sign to their 
determinants (you can check with mri_info). In principle, reg-feat2anat 
should handle this but in some cases it does not. The 5.1 version will 
handle it properly. If they do have the same sign, then look through the 
log file and find the flirt command. Run that command by itself (you may 
need to run reg-feat2anat with --nocleanup to keep it from deleting the 
files). If that fails, then contact the FSL people

doug

Agnieszka Burzynska wrote:
 Dear all,
 I am using the command reg-feat2anat to transform functional data 
 pre-processed in FSL to the anatomical image in Freesurfer.

 As suggested, I check the registration with reg-feat2anat --feat 
 run2.feat —manual.

 I have 3 runs of functional data for each subject. Surprisingly, some 
 runs are registered well but others not (even of the same subject, so 
 using the same reference anatomical images: see the attached image. 
 Upper row: bad registration of one run and lower row: good 
 registration of another run).

 I have no problem to manually correct the registrations, it works 
 well, but as I have many subjects, I wonder if there may be a way to 
 change some options of reg-feat2anat to make it work better? Can you 
 see from the attached image what is the problem with my images? (I 
 viewed the functional and anatomical data of a few subjects, some woth 
 good and some with bad registration and see no difference or flip)

 Thanks a lot for your help!
 Aga

 

 

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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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Re: [Freesurfer] mri_convert with lists and orientations

2011-02-07 Thread Douglas N Greve
I get this behavior with --out_orientation, but not with 
--in_orientation. Are you sure it happens with both? And are you sure 
you want to be changing the orientation? If you have a volume from a 
person in the scanner head-first supine, then the answer is almost 
surely no.

doug

Reza Farivar wrote:
 Hello,

 I'm encountering a strange problem with mri_convert. Basically, if I just
 ask it to convert a set of dicoms into a 4D NIFTI, it does this fine, but
 if I specify anything about the input and/or output orientation (using
 --in_orientation or --out_orientation), it only spits out 1 image, not the
 entire time series. Am I doing something wrong?

 Thanks,

 Reza



 ||

 Reza Farivar, Ph.D.
 Research Fellow
 Harvard Medical School
 Massachusetts General Hospital
 Dept. of Radiology
 Building 149, Room 2301
 13th Street
 Charlestown, MA  02129


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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
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Re: [Freesurfer] Problem running recon-all with option -qcache

2011-02-07 Thread Douglas N Greve
Thanks for the suggestion Ed. I've just added the text below to 
http://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/Troubleshooting. If 
you know of another place where it would be useful, please let us know.

doug

Note that after you run recon-all with the -autorecon2-wm flag, you 
will still need to run it with the -autorecon3 flag. You can run it with 
both -autorecon2-wm and -autorecon3, though if the changes you made did 
not fix the problem, then the time spent running autorecon3 will be wasted.

Ed Gronenschild wrote:
 Hi Doug,

 Indeed, you are right, I forgot to run recon-all -autorecon3.

 It is not well documented that after running -autorecon2-wm
 one should also run -autorecon3. I had the impression that
 this portion was executed automatically by -autorecon2-wm.

 Ed

 On 2 Feb 2011, at 18:03, Douglas N Greve wrote:

   
 Hi Ed, that subject is out-of-synch (maybe it got aborted). You'll  
 need
 to re-run some portion of recon-all depending upon where in the stream
 it aborted.

 doug

 Ed Gronenschild wrote:
 
 Hi,

 A serious error was encountered in running recon-all with option
 -qcache.
 The error occurred during execution of mri_surf2surf and the
 message was:

 number of vertices in ../subjectID/surf/lh.thickness does not  
 match
 surface (141969,131763).

 It means the number of vertices in lh.sphere.reg does not
 match the number in lh.thickness.

 I traced the course of this error and that is causing me serious
 troubles. What happened? I edited the wm voxels and then
 invoked another call to recon-all by issueing the command
 recon-all -autorecon2-wm.
 Looking at the dates of the files in the surf directory I noticed
 that the file lh.sphere.reg was not updated, so it was still the
 same file as before editing the wm voxels. The lh.thickness
 was correctly updated as expected.

 What can I do to use the -qcache option?

 Ed

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 -- 
 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



 The information in this e-mail is intended only for the person to  
 whom it is
 addressed. If you believe this e-mail was sent to you in error and  
 the e-mail
 contains patient information, please contact the Partners Compliance  
 HelpLine at
 http://www.partners.org/complianceline . If the e-mail was sent to  
 you in error
 but does not contain patient information, please contact the sender  
 and properly
 dispose of the e-mail.

 

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-- 
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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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Re: [Freesurfer] Abblocked Setup

2011-02-07 Thread Douglas N Greve
The contrasts are going to be created automatically. These will be:
fund - stands for fundamental - this is the F-test of the sine and 
cosine components, probably what you want
fund-sin -- t-test of the sine component (this may also be useful)
fund-cos -- t-test of the cosine component (think of this like the 
derivative when you assume a shape)
harm -- F test on the harmonics (probably not too useful)

It is going to assume that the first condition is ON. This does not 
matter for the F-tests above, but will affect the sign of the sine 
component.

doug

Chindhuri Selvadurai wrote:
 Hello,

 We are trying to set up the analysis for a periodic design alternating
 between 30s rest and 30s active condition.  Because abblocked doesn't
 require a paradigm file, how do we specify which condition comes first
 (rest or active)?  We understand that abblocked expects that the
 conditions will be alternating.

 Also, how do we set up the -a and -c weighting conditions if we are using
 abblocked, since it doesn't have a paradigm file?  How do we specify the
 arguments for this command?  Should we instead be using the -ncond and
 -wcond commands?

 Best,

 Chindhuri Selvadurai

 Psychiatric Neuroimaging, Manoach Lab
 Martinos Center for Biomedical Imaging, MGH
 Phone: (617)726-0307



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-- 
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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[Freesurfer] abblocked Setup

2011-02-07 Thread Chindhuri Selvadurai

Hello,

We are trying to set up the analysis for a periodic design alternating
between 30s rest and 30s active condition.  Because abblocked doesn't
require a paradigm file, how do we specify which condition comes first
(rest or active)?  We understand that abblocked expects that the
conditions will be alternating.

Also, how do we set up the -a and -c weighting conditions if we are using
abblocked, since it doesn't have a paradigm file?  How do we specify the
arguments for this command?  Should we instead be using the -ncond and
-wcond commands?

Best,

Chindhuri Selvadurai

Psychiatric Neuroimaging, Manoach Lab
Martinos Center for Biomedical Imaging, MGH
Phone: (617)726-0307
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contains patient information, please contact the Partners Compliance HelpLine at
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Re: [Freesurfer] reg-feat2anat: a problem!

2011-02-07 Thread Douglas N Greve
That is not a problem. By anatomical I meant the FreeSurfer anatomical 
(eg, orig.mgz)
doug

Agnieszka Burzynska wrote:
 Dear Doug,
 Thank you a lot!
 Our feat data is always nifti, but anatomical FSL data is sometimes in the
 analyze format. Is this already a problem?

 I will now check the rest.

 Thank you, cheers,
 Aga


 On 2/7/11 4:35 PM, Douglas N Greve gr...@nmr.mgh.harvard.edu wrote:

   
 Hi Aga, are you using nifti? If analyze, that could be the problem. Do
 your functionals and anatomicals have a different sign to their
 determinants (you can check with mri_info). In principle, reg-feat2anat
 should handle this but in some cases it does not. The 5.1 version will
 handle it properly. If they do have the same sign, then look through the
 log file and find the flirt command. Run that command by itself (you may
 need to run reg-feat2anat with --nocleanup to keep it from deleting the
 files). If that fails, then contact the FSL people

 doug

 Agnieszka Burzynska wrote:
 
 Dear all,
 I am using the command reg-feat2anat to transform functional data
 pre-processed in FSL to the anatomical image in Freesurfer.

 As suggested, I check the registration with reg-feat2anat --feat
 run2.feat ‹manual.

 I have 3 runs of functional data for each subject. Surprisingly, some
 runs are registered well but others not (even of the same subject, so
 using the same reference anatomical images: see the attached image.
 Upper row: bad registration of one run and lower row: good
 registration of another run).

 I have no problem to manually correct the registrations, it works
 well, but as I have many subjects, I wonder if there may be a way to
 change some options of reg-feat2anat to make it work better? Can you
 see from the attached image what is the problem with my images? (I
 viewed the functional and anatomical data of a few subjects, some woth
 good and some with bad registration and see no difference or flip)

 Thanks a lot for your help!
 Aga

 

 

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 Freesurfer mailing list
 Freesurfer@nmr.mgh.harvard.edu
 https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
   



   

-- 
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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contains patient information, please contact the Partners Compliance HelpLine at
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Re: [Freesurfer] Abblocked Setup

2011-02-07 Thread Chindhuri Selvadurai
Hi Doug,

For some reason, our mkanalysis-sess command only created an
analysis.info file and not a .cfg file, so we can't run the abblocked
analysis using sfa-sess.  Do you know what might cause this?

We are using:

freesurfer v5

our subjects directory: /cluster/manoach/milton/subjects

command that was run:
mkanalysis-sess -analysis mandy_mst_v_mct_lh -TR 3 -fwhm 8 -abblocked 30
-runlistfile task -surface fsaverage lh

output that was given:

# FSBUILD freesurfer-Linux-centos4_x86_64-stable-v5.1.0-20110202
# MKAVERSION $Id: mkanalysis-sess,v 1.49.2.8 2011/01/18 17:08:22 greve Exp $
# MKACMD /usr/local/freesurfer/stable5/fsfast/bin/mkanalysis-sess
-analysis mandy_mst_v_mct_lh -TR 3 -fwhm 8 -abblocked 30 -runlistfile task
-surface fsaverage lh
# DATE Fri Feb  4 14:36:01 EST 2011
analysis mandy_mst_v_mct_lh
mcstem fmcpr
fsd bold
runlistfile task
TR 3
RegDOF 6
RawSpace surface fsaverage lh
mask brain
RawFWHM 8
RawSTC none
inorm 100
acfbins 0
fixacf  1
acffwhm 20
acfsvd  0
designtype abblocked
nskip 0
polyfit 2
HPFCutoffHz 0
period 30

 The contrasts are going to be created automatically. These will be: fund
- stands for fundamental - this is the F-test of the sine and cosine
components, probably what you want
 fund-sin -- t-test of the sine component (this may also be useful)
fund-cos -- t-test of the cosine component (think of this like the
derivative when you assume a shape)
 harm -- F test on the harmonics (probably not too useful)

 It is going to assume that the first condition is ON. This does not
matter for the F-tests above, but will affect the sign of the sine component.

 doug

 Chindhuri Selvadurai wrote:
 Hello,
 We are trying to set up the analysis for a periodic design alternating
between 30s rest and 30s active condition.  Because abblocked doesn't
require a paradigm file, how do we specify which condition comes first
(rest or active)?  We understand that abblocked expects that the
conditions will be alternating.
 Also, how do we set up the -a and -c weighting conditions if we are
using
 abblocked, since it doesn't have a paradigm file?  How do we specify
the
 arguments for this command?  Should we instead be using the -ncond and
-wcond commands?
 Best,
 Chindhuri Selvadurai
 Psychiatric Neuroimaging, Manoach Lab
 Martinos Center for Biomedical Imaging, MGH
 Phone: (617)726-0307
 ___
 Freesurfer mailing list
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 https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer

 --
 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





Best,

Chindhuri Selvadurai

Psychiatric Neuroimaging, Manoach Lab
Martinos Center for Biomedical Imaging, MGH
Phone: (617)726-0307





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contains patient information, please contact the Partners Compliance HelpLine at
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Re: [Freesurfer] Abblocked Setup

2011-02-07 Thread Douglas N Greve
sfa-sess is depricated now (should not even be in there). Use selxavg3-sess.

doug

Chindhuri Selvadurai wrote:
 Hi Doug,

 For some reason, our mkanalysis-sess command only created an
 analysis.info file and not a .cfg file, so we can't run the abblocked
 analysis using sfa-sess.  Do you know what might cause this?

 We are using:

 freesurfer v5

 our subjects directory: /cluster/manoach/milton/subjects

 command that was run:
 mkanalysis-sess -analysis mandy_mst_v_mct_lh -TR 3 -fwhm 8 -abblocked 30
 -runlistfile task -surface fsaverage lh

 output that was given:

 # FSBUILD freesurfer-Linux-centos4_x86_64-stable-v5.1.0-20110202
 # MKAVERSION $Id: mkanalysis-sess,v 1.49.2.8 2011/01/18 17:08:22 greve Exp $
 # MKACMD /usr/local/freesurfer/stable5/fsfast/bin/mkanalysis-sess
 -analysis mandy_mst_v_mct_lh -TR 3 -fwhm 8 -abblocked 30 -runlistfile task
 -surface fsaverage lh
 # DATE Fri Feb  4 14:36:01 EST 2011
 analysis mandy_mst_v_mct_lh
 mcstem fmcpr
 fsd bold
 runlistfile task
 TR 3
 RegDOF 6
 RawSpace surface fsaverage lh
 mask brain
 RawFWHM 8
 RawSTC none
 inorm 100
 acfbins 0
 fixacf  1
 acffwhm 20
 acfsvd  0
 designtype abblocked
 nskip 0
 polyfit 2
 HPFCutoffHz 0
 period 30

   
 The contrasts are going to be created automatically. These will be: fund
 
 - stands for fundamental - this is the F-test of the sine and cosine
 components, probably what you want
   
 fund-sin -- t-test of the sine component (this may also be useful)
 
 fund-cos -- t-test of the cosine component (think of this like the
 derivative when you assume a shape)
   
 harm -- F test on the harmonics (probably not too useful)

 It is going to assume that the first condition is ON. This does not
 
 matter for the F-tests above, but will affect the sign of the sine component.
   
 doug

 Chindhuri Selvadurai wrote:
 
 Hello,
 We are trying to set up the analysis for a periodic design alternating
   
 between 30s rest and 30s active condition.  Because abblocked doesn't
 require a paradigm file, how do we specify which condition comes first
 (rest or active)?  We understand that abblocked expects that the
 conditions will be alternating.
   
 Also, how do we set up the -a and -c weighting conditions if we are
   
 using
   
 abblocked, since it doesn't have a paradigm file?  How do we specify
   
 the
   
 arguments for this command?  Should we instead be using the -ncond and
   
 -wcond commands?
   
 Best,
 Chindhuri Selvadurai
 Psychiatric Neuroimaging, Manoach Lab
 Martinos Center for Biomedical Imaging, MGH
 Phone: (617)726-0307
 ___
 Freesurfer mailing list
 Freesurfer@nmr.mgh.harvard.edu
 https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
   
 --
 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



 


 Best,

 Chindhuri Selvadurai

 Psychiatric Neuroimaging, Manoach Lab
 Martinos Center for Biomedical Imaging, MGH
 Phone: (617)726-0307






   

-- 
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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contains patient information, please contact the Partners Compliance HelpLine at
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[Freesurfer] POSTDOCTORAL POSITION - Neuroimaging and Brain Plasticity

2011-02-07 Thread Amir Tahmasebi


Please see the attached file.

If interested, pelase submit your C.V. and relevant reprints, together 
with a cover letter describing current research interests and future 
research goals, and also arrange to have three letters of reference sent 
independently to:


Dr. Sylvain Moreno
Rotman Research Institute
Baycrest
3560 Bathurst Street
Toronto, Ontario, M6A 2E1, Canada
E-mail: smor...@rotman-baycrest.on.ca


Amir M. Tahmasebi, Ph.D.
Postdoctoral Research Fellow
Rotman Research Institute,
University of Toronto,
Toronto, Ontario
CANADA

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Postdoc Fellowship - ad.pdf
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[Freesurfer] Whole brain gray matter image

2011-02-07 Thread caoaize

Hello FS Experts,
 
I am trying to generate the whole brain gray matter image, I use aparc_aseg.mgz 
- wm.mgz for gray matter mask, then use this mask for gray matter. Is it 
correct?  What is the difference between aseg.mgz and ribbon.mgz? Hope your 
help. Thanks.
 
Aize
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[Freesurfer] two vol fields for retinotopic analysis?

2011-02-07 Thread Jason Connolly
Dear freesurfer experts:

I noticed that there are two 'vol' fields when I use MRIread.

1) mri.vol
2) mri.analyzehdr.vol

My question is: 

I have two arrays, one with 3D coordinates and a second 1 dimensional array 
with corresponding phase values.

Which 'vol' field do I put the 3D coordinates in and which do I put the phase 
values in?

Many thanks!

-jason.







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[Freesurfer] Job Opening: Research Technician in Brain Imaging

2011-02-07 Thread Schiel, Matthew
The Solodkin/Small Brain Circuits Laboratory at the University of California, 
Irvine, will soon have an opening for a research technician in image 
processing. This job would be ideal for someone interested in applying basic 
skills in signal processing or applied mathematics to a variety of functional 
and structural neuroimaging studies related to human language processing and 
motor control, including healthy adults and children, and adults and children 
with neurological injuries or disease. Job tasks include: analyzing functional 
magnetic resonance imaging (fMRI) and diffusion tensor imaging (DTI) data, 
performing statistical analyses of processed human data, working with cortical 
surface maps, managing and updating our imaging database, and helping to 
improve our processing procedures, including our use of high-performance 
cluster and grid computers.

The ideal candidate will have a B.A. or B.S. degree in engineering, physics, 
mathematics, or computer science; knowledge of the UNIX operating system; 
programming experience; interest in biomedical applications; coursework in 
signal analysis and/or statistics. Variations from these ideals will certainly 
be entertained in an otherwise highly qualified candidate. Although this 
position is not yet formally posted, we are interested in hearing from 
qualified candidates now.

If interested, please forward your CV/resume to msch...@uci.edu.

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