Re: [Freesurfer] Global Signal Scaling in FSFAST Pipeline

2017-12-11 Thread Taylor, Johnmark
Never mind, found the answer online, sorry about that!

On Mon, Dec 11, 2017 at 2:13 PM, Taylor, Johnmark <
johnmarktay...@g.harvard.edu> wrote:

> Hello,
>
> When using preproc-sess and selxavg3-sess, how is global mean scaling
> handled? Is the session-wide (4D) mean subtracted, is each volume's mean
> subtracted, or neither?
>
> Thank you very much,
>
> JohnMark
>
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Re: [Freesurfer] Global Signal Scaling in FSFAST Pipeline

2017-12-11 Thread Douglas Greve

The entire 4D volume is rescaled by the 4D mean.


On 12/11/17 2:13 PM, Taylor, Johnmark wrote:

Hello,

When using preproc-sess and selxavg3-sess, how is global mean scaling 
handled? Is the session-wide (4D) mean subtracted, is each volume's 
mean subtracted, or neither?


Thank you very much,

JohnMark


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[Freesurfer] Global Signal Scaling in FSFAST Pipeline

2017-12-11 Thread Taylor, Johnmark
Hello,

When using preproc-sess and selxavg3-sess, how is global mean scaling
handled? Is the session-wide (4D) mean subtracted, is each volume's mean
subtracted, or neither?

Thank you very much,

JohnMark
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The information in this e-mail is intended only for the person to whom it is
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