That actually looks fine to me too. When FEAT creates a mask of the brain, it extends the mask out a bit to make sure that it does not cut off any brain. Every voxel in the mask will get a zstat. If your raise the threshold a bit, the stuff outside of the brain will probably drop away.
doug On 8/31/11 6:10 PM, noam Schneck wrote: > Sure thing, attached to this email are two sets of images. One > includes the tkregister2 outputs in which the movable is the example > func. Based on the surface the registration looks good. The other > image is the zstat from that same run (in EPI space) overlayed onto > the anatomical using the same registration matrix that I used in the > tkregister2 output (this is seen in the tkmedit output). What you can > see is that the zstat activation map extends outside of the brain and > skull, despite using a registration matrix that produced a good > registration when just looking at the grey white matter boundary. if > it would be helpful I can also send you images of what the > example_func overlayed onto the anatomical in tkmedit looks like. It > basically shows that the examplefunc extends outside the borders of > the skull. I would have included it but it exceeds the email KB limit. > > Thanks so much for taking the time, > noam _______________________________________________ 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.
