[Freesurfer] postoc opportunity in Melbourne, Australia

2016-01-19 Thread Sarah Whittle
Postdoctoral Research Fellow Position at The University of Melbourne Melbourne Neuropsychiatry Centre, Department of Psychiatry A/Prof Sarah Whittle and Dr. Julian Simmons seek a postdoctoral research fellow to work on a number of longitudinal studies that aim to characterise neurodevelopmental

[Freesurfer] nlmefit

2015-07-28 Thread Sarah Whittle
Hello, I was wondering if anyone has used the nlmefit function in Matlab to model longitudinal FreeSurfer data? If so, is there code available that could be shared? Regards, Sarah ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu

Re: [Freesurfer] advice/question regarding your LME toolbox for freesurfer

2015-04-24 Thread Sarah Whittle
...@nmr.mgh.harvard.edu] on behalf of Sarah Whittle [swhit...@unimelb.edu.au] Sent: Tuesday, 21 April 2015 7:15 AM To: jorge luis Cc: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] advice/question regarding your LME toolbox for freesurfer Thanks Jorge! In our case, at step 4, an F-test does show

Re: [Freesurfer] advice/question regarding your LME toolbox for freesurfer

2015-04-20 Thread Sarah Whittle
that this scenario is not possible/doesn't make sense. Do you have any advice for looking at group differences in our situation? Thank you for your time/help. Sarah From: jorge luis [jbernal0...@yahoo.es] Sent: Tuesday, 21 April 2015 2:37 AM To: Sarah Whittle Cc

[Freesurfer] PhD position in developmental affective neuroscience

2014-12-15 Thread Sarah Whittle
, and the Murdoch Childrens Research Institute, Victoria, Australia. The candidate, supervised by Dr. Sarah Whittle, will be required to contribute to a unique longitudinal study that aims to investigate the association between puberty, brain development, and mental health, from late childhood to mid

Re: [Freesurfer] prefrontal cortex label

2014-11-17 Thread Sarah Whittle
I'm sure that there are a number of ways you could do it. I would suggest, however, making a coronal cut for your frontal labels at Talairach coordinate y = 26, so that only ‘prefrontal’ regions are included - this conforms to the conservative Talairach criteria described by Rajkowska and

Re: [Freesurfer] label to surf (.mgh file)

2014-08-07 Thread Sarah Whittle
, I'm not sure what you are trying to do. Are you doing a volume or surface-based analysis? If surface based, why do you need to convert it into the volume? doug On 08/05/2014 11:48 PM, Sarah Whittle wrote: Hi, I would like to create an overlay from a number of labels from the standard 2005 aparc

Re: [Freesurfer] effect of demeaning the age

2014-08-05 Thread Sarah Whittle
] effect of demeaning the age Yes, I would demean before computing age*age. Is pubertal status a continuous variable? If so, then demean that too. doug On 08/04/2014 06:53 PM, Sarah Whittle wrote: Hi, I have a follow-up question about demeaning, specifically applied to running linear mixed

[Freesurfer] label to surf (.mgh file)

2014-08-05 Thread Sarah Whittle
Hi, I would like to create an overlay from a number of labels from the standard 2005 aparc in order to perform an fdr correction of a significance map using a mask to restrict the search space. I would like to do this with fsaverage. As far as I can tell, there is no label or annotation to

Re: [Freesurfer] Longitudinal analysis of one timepoint

2013-05-03 Thread Sarah Whittle
From: Sarah Whittle Sent: Friday, 22 March 2013 6:50 AM To: Martin Reuter Cc: Nick Schmansky; freesurfer@nmr.mgh.harvard.edu Subject: RE: [Freesurfer] Longitudinal analysis of one timepoint Ok, thank you. From: Martin Reuter [mreu

Re: [Freesurfer] Longitudinal analysis of one timepoint

2013-03-21 Thread Sarah Whittle
making things more complicated than they need to be! Thanks, Sarah From: Martin Reuter [mreu...@nmr.mgh.harvard.edu] Sent: Thursday, 7 March 2013 10:22 AM To: Sarah Whittle Cc: Nick Schmansky; freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer

Re: [Freesurfer] Longitudinal analysis of one timepoint

2013-03-21 Thread Sarah Whittle
Ok, thank you. From: Martin Reuter [mreu...@nmr.mgh.harvard.edu] Sent: Friday, 22 March 2013 12:36 AM To: Sarah Whittle Cc: Nick Schmansky; freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] Longitudinal analysis of one timepoint Hi Sarah, you

Re: [Freesurfer] Longitudinal analysis of one timepoint

2013-03-06 Thread Sarah Whittle
From: Martin Reuter [mreu...@nmr.mgh.harvard.edu] Sent: Thursday, 7 March 2013 5:41 AM To: Nick Schmansky Cc: Sarah Whittle; freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] Longitudinal analysis of one timepoint Hi Sara, yes, should work, just make sure that all cross are 5.1

Re: [Freesurfer] Longitudinal analysis of one timepoint

2013-03-06 Thread Sarah Whittle
Thanks very much! From: Martin Reuter [mreu...@nmr.mgh.harvard.edu] Sent: Thursday, 7 March 2013 10:22 AM To: Sarah Whittle Cc: Nick Schmansky; freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] Longitudinal analysis of one timepoint Hi Sarah, you

Re: [Freesurfer] Longitudinal analysis of one timepoint

2013-03-05 Thread Sarah Whittle
Hi, RE the below post, we have longitudinal data from three time points, but a number of participants have scans for only one or two time points. We've done all of the cross-sectional analysis (including a lot of manual editing) and are ready to run everything through the longitudinal stream.

Re: [Freesurfer] hyperintense artifact causing problems for segmentation

2011-04-20 Thread Sarah Whittle
Hi, Just wondering if Nick or one of the gcut developers could help me with this issue? Regards, Sarah -Original Message- From: Bruce Fischl [mailto:fis...@nmr.mgh.harvard.edu] Sent: Wednesday, 13 April 2011 9:43 AM To: Sarah Whittle Cc: freesurfer@nmr.mgh.harvard.edu Subject: RE

[Freesurfer] postmortem analysis

2011-01-30 Thread Sarah Whittle
Hi, I have some post-mortem MR images that I'd like to run through FreeSurfer to obtain thickness estimates. I've had a look at the instructions on http://surfer.nmr.mgh.harvard.edu/fswiki/ExVivo. The images were obtained with a T1-weighted fast gradient echo sequence (1.5-mm slice thickness,