Sure. I'm uploading now. The above is approximately slice 75, although the control points/wm surface problem is seen throughout in this subject.

Thanks

Corinna

On Tue, May 17, 2016 at 3:46 PM, Bruce Fischl fischl@nmr.mgh.harvard.edu wrote:

Hi Corinna

it's hard to tell what's going on from a single slice. If you upload the subject and tell us the specific coordinates that you see problems in we will take a look

cheers Bruce On Tue, 17 May 2016, Corinna Bauer wrote:

Hello all,We are analyzing data from our collaborators and are running into

...

some difficulties with the accuracy of the pial and wm boundaries. The wm.mgz appears to follow the actual WM, independent of the wm surface boundary. Attached is an example showing two types of problems.

1. the WM surface is inaccurate regardless of the number of control points

used. 2. The pial surface is inaccurate, missing a bunch of the sulcal and gyral patterns of the left parietal lobe (see area around cursor).

For completeness, I have also included the wm.mgz at the same slice.

I should mention that these problems has been occurring in multiple subjects.

Any suggestions??

Thanks

Corinna

---

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Hello, Have you been able to look at the data I sent over yet? It would be great to get a sense of what we can or cannot do to correct the boundaries.

Thanks

Corinna

On Wed, May 25, 2016 at 12:05 PM, Corinna Bauer corinnab83@gmail.com wrote:

Hi Bruce, just checking in to see if you have had an opportunity to take a look at the data I sent over?

Thanks

Corinna

On Wed, May 18, 2016 at 6:19 PM, Corinna Bauer corinnab83@gmail.com wrote:

...

Sure. I'm uploading now. The above is approximately slice 75, although the control points/wm surface problem is seen throughout in this subject.

Thanks

Corinna

On Tue, May 17, 2016 at 3:46 PM, Bruce Fischl <fischl@nmr.mgh.harvard.edu

...

wrote:

...

Hi Corinna

it's hard to tell what's going on from a single slice. If you upload the subject and tell us the specific coordinates that you see problems in we will take a look

cheers Bruce On Tue, 17 May 2016, Corinna Bauer wrote:

Hello all,We are analyzing data from our collaborators and are running

...

into some difficulties with the accuracy of the pial and wm boundaries. The wm.mgz appears to follow the actual WM, independent of the wm surface boundary. Attached is an example showing two types of problems.

1. the WM surface is inaccurate regardless of the number of control

points used. 2. The pial surface is inaccurate, missing a bunch of the sulcal and gyral patterns of the left parietal lobe (see area around cursor).

For completeness, I have also included the wm.mgz at the same slice.

I should mention that these problems has been occurring in multiple subjects.

Any suggestions??

Thanks

Corinna

---

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

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.