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when you bring it up in freeview does it properly show left and right? If
it ever went through analyze as a format you will have lost the
information that lets us distinguish left from right
cheers
Bruce
On Fri, 14 Dec 2018,
Geha, Paul wrote:
> It is NIFTI format.
> ——————————————————
> Paul Geha, MD
> Assistant Professor of Psychiatry
> Yale School of Medicine
> Assistant Fellow, The John B. Pierce Laboratory
> Email: paul.geha@yale.edu
> Tel:(203)903-4334
>
>
>
> On Dec 14, 2018, at 10:53 AM, Bruce Fischl <fischl@nmr.mgh.harvard.edu> wrote:
>
> what is your input data format?
> On Fri, 14 Dec 2018, Geha, Paul wrote:
>
> Dear Bruce,
>
> Thank you for your reply.
>
> However, we are obtaining an odd result with FreeSurfer when we examine the volume
> of the left and right accumbens. In the UK BioBank data >20K subjects freesurfer
> segmentations the left accumbens is clearly significantly larger than the right
> accumbens (https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fbiobank.ctsu.ox.ac.uk%2Fcrystal%2Fla
> bel.cgi%3Fid%3D110&data=02%7C01%7Cpaul.geha%40yale.edu%7C6fe7514e6a064d661e6608d661dc40ef%7Cdd8c
> bebb21394df8b4114e3e87abeb5c%7C0%7C0%7C636803995945018317&sdata=Iq5%2FMtaNTPUbuvdXnDnRVGPV6NOnMN
> MMSLiAGyXq734%3D&reserved=0<https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fbiobank.ctsu.ox.ac.uk%2Fcrystal%2Fl
> abel.cgi%3Fid%3D110&data=02%7C01%7Cpaul.geha%40yale.edu%7C6fe7514e6a064d661e6608d661dc40ef%7Cdd8
> cbebb21394df8b4114e3e87abeb5c%7C0%7C0%7C636803995945018317&sdata=Iq5%2FMtaNTPUbuvdXnDnRVGPV6NOnM
> NMMSLiAGyXq734%3D&reserved=0>). Also, the attached paper used freesurfer and
> found left accumbens > right. In our hands, and in 2 different data sets
> collected in two different sites, we obtain the opposite with FreeSurfer (right
> accumbens > left accumbens).
>
> Furthermore, when we segment these same data sets with FIRST from FSL we do obtain
> Left accumbens > right Accumbens in both data sets in agreement with the
> literature.
>
> Any help in solving this discrepancy is much appreciated.
>
> Regards,
> Paul
> ——————————————————
> Paul Geha, MD
> Assistant Professor of Psychiatry
> Yale School of Medicine
> Assistant Fellow, The John B. Pierce Laboratory
> Email: paul.geha@yale.edu
> Tel:(203)903-4334
>
>
>
> On Dec 13, 2018, at 3:49 PM, Bruce Fischl <fischl@nmr.mgh.harvard.edu>
> wrote:
>
> Hi Meena
>
> it shouldn't. We reorient everything to radiological
>
> cheers
> Bruce
> On Thu, 13 Dec 2018, Meena M. Makary wrote:
>
> External Email - Use Caution
> Hi;
> I am wondering if the orientation of the input data to
> recon-all (i.e. Neurological Vs. Radiological)
> produces different results in terms of laterality (right
> vs. left)?
> Thanks;
> --Meena
> —
> Meena M. Makary, Ph.D.
> Assistant Professor | Cairo University
> Postdoctoral Fellow | Yale University School of Medicine
> Postdoctoral Associate | The John B. Pierce Laboratory
> Postdoc Committee Chair | The John B. Pierce Laboratory
> Career Development and Mentoring Manager Elect | OHBM
> Student and Postdoc SIG
> 290 Congress Avenue, New Haven, CT 06519
> +1 (475) 731-5592
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>
>
>
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