[Freesurfer] postdoc position in Leiden, The Netherlands: studies on resting-state and activation EEG-fMRI during sleep and wakefulness in healthy subjects and patient with sleep disorders including i

2009-12-12 Thread Diederick Stoffers

LEIDEN UNIVERSITY MEDICAL CENTER



The Leiden University Medical Center (LUMC) has initiated the  
interdisciplinary Sleep Neuroscience Center Leiden. Its focus is  
fundamental and strategic scientific and clinical research on sleep






Within the Departments of Neurology and Neuroradiology, and in close  
collaboration with Dr. E.J.W. van Someren’s Sleep & Cognition group at  
the Netherlands Institute for Neuroscience, a position is available  
for a






Postdoc (m/f)

38 hours per week



Project information:

This project is funded by a LUMC starting grant for the Sleep  
Neuroscience Center Leiden. It has become evident over the last decade  
that sleep is an essential component of normal cognitive functioning  
and maintenance of brain structure and function at the cellular to the  
systems level. In addition, disturbed sleep crucially contributes to  
major health problems associated with metabolic regulation, aging and  
psychiatry. The present project aims to elucidate the association  
between activatiion of the default mode resting state network, it’s  
structural backbone, and travelling slow oscillations during sleep. A  
second focus is on the involvement of the default mode network in  
deviant switching between sleep and wakefulness in narcolepsy and  
insomnia. Philips  7T and 3T scanners are available for structural and  
functional MRI. The aim is to do EEG-MRI with the new Electrical  
Geodesics Inc (EGI) system. The project will be performed in close  
collaboration with Dr. S. Rombouts (director of the Leiden Institute  
for Brain and Cognition: LIBC) and with the Sleep & Cognition group at  
the Netherlands Institute for Neuroscience. A 0.5 FTE lab technician  
will support the project.




Requirements:

A strong scientific track record including publications is essential  
for the Postdoc.


The Postdoc will be responsible for studies on resting-state and  
activation EEG-fMRI during sleep and wakefulness in healthy subjects  
and patient with sleep disorders including insomnia and narcolepsy.




Appoinment:

This position involves a temporary appointment for three years.



Salary:

Depending on training and work experience according to the collective  
Agreement for Dutch Universities (CAO-Nederlandse Universiteiten),  
including 8% holiday pay and a 8.3% year-end bonus. We offer an  
extensive package of fringe benefits.




Work location:

The Leiden University Medical Center, Leiden.



Information:

For further information about this position, you may contact Dr. EJW  
Van Someren (e-mail e.van.some...@nin.knaw.nl) or Dr. SARB Rombouts (s.a.r.b.rombo...@lumc.nl 
). Information on the groups is found at http://www.nin.knaw.nl/research_groups/van_someren_group/


and at http://www.libc-leiden.nl



Application:

You may send your application letter, curriculum vitae and the names  
of 2 references to


Dr. EJW Van Someren (Laboratory for Neurophysiology, Department of  
Molecular Cell Biology, LUMC S-05-P, PO Box 9600,  2300 RC Leiden, The  
Netherlands) or preferably by email: e.van.some...@nin.knaw.nl.  
Application deadline: January 14, 2010.




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Re: [Freesurfer] Wm/pial edits misclassification

2009-12-12 Thread Bruce Fischl

Hi Lena,

it's probably an incorrectly fixed topological defect. If you email me the 
wm.mgz and the lh.orig surface I'll take a look.


cheers,
Bruce

On Sat, 12 Dec 2009, Lena Palaniyappan wrote:


Hi all

Please see the attached images ­ slices 108 to 111
What is happening at precentral  / middle frontal white matter? How should I
be correcting this? The wm slices as you can see have missing volumes. I
cannot fill these spaces in wm surface ­ as there is no obvious white matter
in the original  surface.  How should I go about correcting this?

Many thanks in anticipation
Lena
















___
Lena Palaniyappan
Division of Psychiatry ( University of Nottingham)
South Block 'A' floor| Queens Medical Centre | Nottingham | NG7 2UH


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[Freesurfer] Co-registration in FS

2009-12-12 Thread Xinian Zuo
Hi FSers,

I am new to freesurfer. now start to use it for looking at struc-func
relationship. Normally, in fsl, I employ bet for both example_func and
highresh anat. it means that the func_brain and anat_brain are fed into
flirt to estimate the co-registration.

here, i try to use reg_feat2anat to do this. but in this new version (4.5),
it told me the betfunc command can not be found. thus I just used the
version without --bet. the results in tksurfer looked not good. I am
guessing it was caused by the highres with large neck areas. MY QUESTION is

how can I trigger reg_feat2anat (or whatever other commands) to take
skull-stripped highres for the co-registration (in fact, the brainmask.mgz
already there)? Or I was wrong, reg_feat2anat did this consideration?

Any suggestions would be appreciated!
-- 
Xinian Zuo, Ph.D
Associate Research Scientist
Institute for Pediatric Neuroscience
NYU Child Study Center
215 Lexington Ave., 14th Floor
New York, NY 10016
Phone: 212-263-4735
Public:  www.AboutOurKids.org
Academic: http://publicationslist.org/xinian.zuo
Personal: zuoxinian.googlepages.com
Blog: http://restbrain.blogspot.com
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[Freesurfer] UC Berkeley RA position

2009-12-12 Thread Elizabeth Mormino
Position in PET imaging at UC Berkeley/Lawrence Berkeley National Laboratory

We're looking for a research assistant to work with multisite PET
data. The position involves downloading PET images from archived
sites, using existing software to extract numerical values from these
images, analyzing data sets using values from these PET scans as well
as associated clinical, demographic, cognitive, and biomarker data
from databases of enrolled subjects.

Education/Training: BA or BS preferably in neuroscience, engineering
related fields, or psychology

Skills: Familiarity with medical images and techniques used for image
analysis, familiarity with multiple operating systems (Linux, Unix,
OSX, Windows), familiarity with statistics (SPSS, R, etc.), experience
in working with PET or MR images in SPM, FSL, and/or other analysis
program, programming experience in Matlab or Python, experience
working with databases

Please apply online here (JOB ID#10185):  http://jobs.berkeley.edu/

Jagust Laboratory
Helen Wills Neuroscience Department, UC Berkeley
Lawrence Berkeley National Laboratory
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[Freesurfer] Error: cannot open libXss.so.1?

2009-12-12 Thread SG KIM
Dear Freesurfer,
I ran recon-all with -all flag,
and I've got an error message as below:

>mris_volmask.bin: error while loading shared libraries: libXss.so.1: cannot
open shared object file: No such file or directory
>Linux compute-0-1.local 2.6.18-92.1.13.el5PAE #1 SMP Wed Sep 24 20:07:49
EDT 2008 i686 i686 i386 GNU/Linux
>recon-all exited with ERRORS at Tue Dec  8 07:43:35 KST 2009

I ran it on {Intel(R) Xeon(R) CPU  E5345  @ 2.33GHz (4096 KB cache)}
with {Linux compute-0-1.local 2.6.18-92.1.13.el5PAE #1 SMP Wed Sep 24
20:07:49 EDT 2008 i686 i686 i386 GNU/Linux}

I've googled it, only one case was posted via this mailing list.
Yes, I want to know why this error occur but also how to fix it.

Please help me out here! 'A`

Mr. SG KIM.
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Re: [Freesurfer] Error: cannot open libXss.so.1?

2009-12-12 Thread Nick Schmansky
i'm guessing from the 'compute-0-1.local' bit of your output that this
was run on cluster, which probably doesnt have the X-libs installed
(clusters generally dont include the graphics libs).  unfortunately, our
mris_volmask is built against a VTK lib which relies upon linking
against these (even though it doesnt use them: VTK is primarily a
visualization lib, but has some very useful volume/surface routines as
well).  the only short-term solution for you is to use
mris_volmask_novtk, which is an alternate binary that doesnt use vtk,
but doesnt produce nearly the quality cortical ribbon that VTK does.
but it will have to do (and is irrelevant if you need only the cortical
and subcortical data: the volmask is used only the create the aparc
+aseg.mgz and wmparc.mgz files).

for the long-term, we are working on a replacement to mris_volmask that
doesnt use the VTK lib, but produces identical (or nearly so) results.
this wont appear for a couple more months though.

n.

On Sun, 2009-12-13 at 10:57 +0900, SG KIM wrote:
> Dear Freesurfer,
> I ran recon-all with -all flag,
> and I've got an error message as below:
> 
> >mris_volmask.bin: error while loading shared libraries: libXss.so.1:
> cannot open shared object file: No such file or directory
> >Linux compute-0-1.local 2.6.18-92.1.13.el5PAE #1 SMP Wed Sep 24
> 20:07:49 EDT 2008 i686 i686 i386 GNU/Linux
> >recon-all exited with ERRORS at Tue Dec  8 07:43:35 KST 2009
> 
> I ran it on {Intel(R) Xeon(R) CPU  E5345  @ 2.33GHz (4096 KB cache)}
> with {Linux compute-0-1.local 2.6.18-92.1.13.el5PAE #1 SMP Wed Sep 24
> 20:07:49 EDT 2008 i686 i686 i386 GNU/Linux} 
> 
> 
> I've googled it, only one case was posted via this mailing list.
> Yes, I want to know why this error occur but also how to fix it.
> 
> 
> Please help me out here! 'A`
> 
> 
> Mr. SG KIM.
> ___
> Freesurfer mailing list
> Freesurfer@nmr.mgh.harvard.edu
> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer

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