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hi stephen yes - they all seem fine. jane In message <[log in to unmask]> FSL - FMRIB's Software Library <[log in to unmask]> writes: > Hi - there may be a few things going on here. Could you start by looking > at the registration report page for each first-level analysis (click on > the summary registration overlay image towards the bottom of the > first-level FEAT output web page). Do all stages look like they worked ok? > > Cheers. > > > > On Mon, 8 Mar 2004, Jane Aspell wrote: > > > Hi > > > > Thanks for all the previous help. I've a question about rendering in higher > > level analysis...my lower level feat directories are all from a single > > subject and in the higher level analysis i want to render the activations > > onto the high res structural image for this subject. i chose the render onto > > 'first highres' option as i thought that would achieve this. when i open the > > resulting 'rendered_threshzstat1.hdr' for example, it seems that is has used > > the correct image but it looks distorted - the frontal and occipital cortex > > look squashed. the image also looks blurred. > > i wanted to overlay some masks i have from a retinotopic scan onto the high > > res image showing activations. the masks show the location of the lower > > visual areas and they normally overlay onto the same sturctural image that i > > selected for the higher level analysis but i am not able to put together the > > high res, the activations and the masks at once -'cannot load incompatible > > overlay'. > > can you explain why the subject's high res seems to have been distorted by > > the higher level analysis and why i can't overlay my masks onto the highres > > image showing activations? > > > > thanks very much > > > > Jane Aspell > > > > Stephen M. Smith DPhil > Associate Director, FMRIB and Analysis Research Coordinator > > Oxford University Centre for Functional MRI of the Brain > John Radcliffe Hospital, Headington, Oxford OX3 9DU, UK > +44 (0) 1865 222726 (fax 222717) > > [log in to unmask] http://www.fmrib.ox.ac.uk/~steve > -- Dr Jane Aspell Department of Experimental Psychology, University of Oxford, South Parks Road, Oxford, OX1 3UD tel: +44 (0)1865-281606