Hi Bruce,
Thanks for your help. But I have a doubt in why we should do in this way?
Are there any principles or mechanisms in Qdec?
Sincerely,
Zheng
At 2017-11-27 10:47:49, "Bruce Fischl" <fis...@nmr.mgh.harvard.edu> wrote:
Yes
On Nov 26, 2017, at 9:40 PM, 郑凤莲 <13181786...@163.com> wrote:
Hi Bruce,
That is, I should set eTIV at Nuisance Factors for volume and surface area,
not for thickness in qdec, is it right?
<qdec.PNG>
At 2017-11-27 10:22:05, "Bruce Fischl" <fis...@nmr.mgh.harvard.edu> wrote:
>you should correct for eTIV for volume (but not for thickness)
>On Mon, 27
>Nov 2017, 郑凤莲 wrote:
>
>> Hi Greve,
>> Only for age and surface area, no thickness or volume, is it right?
>>
>> Thanks!
>> Zheng
>>
>>
>>
>>
>> At 2017-11-26 03:04:26, "Douglas Greve" <gr...@nmr.mgh.harvard.edu> wrote:
>>
>> Yes, for age and surface area.
>>
>>
>> On 11/23/17 2:05 AM, 郑凤莲 wrote:
>> Hi professors,
>>
>> I am using Qdec in Freesurfer. I want to study the relationships between
>> age and
>> cortical thickness, age and cortical volume, age and surface area. Is it
>> necessary to
>> corrected by eTIV for volume and surface area in Qdec?
>> I am looking forward to your reply.
>>
>> Thanks,
>> Zheng
>>
>>
>>
>>
>>
>>
>>
>> _______________________________________________
>> Freesurfer mailing list
>> Freesurfer@nmr.mgh.harvard.edu
>> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
>>
>>
>>
>>
>>
>>
>>
>>
>>
_______________________________________________
Freesurfer mailing list
Freesurfer@nmr.mgh.harvard.edu
https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer_______________________________________________
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.
