On 22 Apr 2015, at 18:39, Jason Steffener <[log in to unmask]> wrote:OK, I can use the fslmaths command effectively from MatLab with my own data.
But, does the input to TFCE have to be a t-map?
Can it be a Z-map?
Can it be a parameter map?
Thank you.
Jason
On Thu, Apr 9, 2015 at 4:13 AM, Stephen Smith <[log in to unmask]> wrote:Hi - I'm not quite sure what you're asking - do you just mean how to get the
TFCE statistic image once you already have a raw t-stat image, using
fslmaths?
Cheers.
On 8 Apr 2015, at 18:54, Jason Steffener <[log in to unmask]> wrote:
Dear Steve,
Thank you for the reply.
Could you point me to code that would make this calculation?
Jason
On Wed, Apr 8, 2015 at 1:21 PM, Stephen Smith <[log in to unmask]> wrote:
Hi - you would need to generate TFCE stats images *inside* the
bootstrapping, so that you generate a null distribution based on TFCE stats
- to give valid corrected and/or uncorrected pvals.
Cheers, Steve.
On 8 Apr 2015, at 17:46, Jason Steffener <[log in to unmask]> wrote:
I have read that I can only use TFCE with randomise results.
Is this still true?
I have used my own bootstrap procedure and would like to use TFCE with it.
Is this possible?
If so could someone provide some guidance to get me started?
When I run fslmaths -tfce on my Z-stat image I get an output where if
I use a threshold of 1000 I have nice results, but what is this image?
Thank you for any insight,
Jason
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Stephen M. Smith, Professor of Biomedical Engineering
Associate Director, Oxford University FMRIB Centre
FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK
+44 (0) 1865 222726 (fax 222717)
[log in to unmask] http://www.fmrib.ox.ac.uk/~steve
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Stop the cultural destruction of Tibet
---------------------------------------------------------------------------
Stephen M. Smith, Professor of Biomedical Engineering
Associate Director, Oxford University FMRIB Centre
FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK
+44 (0) 1865 222726 (fax 222717)
[log in to unmask] http://www.fmrib.ox.ac.uk/~steve
---------------------------------------------------------------------------
Stop the cultural destruction of Tibet