On 11/15/2012 05:13 PM, Mahinda Yogarajah wrote:
> Hi,
>
> Thanks for the reply. I am using the new script and I should correct myself
> in that my significant volume changes do seem to correspond (although they
> are not completely identical) to areas where there are significant area
> differences (I see no significant thickness differences between my groups) -
> using this kind of vertex wide analysis how does one interpret (biologically)
> these area differences.
Try looking at
Measuring and comparing brain cortical surface area and other areal
quantities,Anderson M. Winkler, et al. NI 2012
<http://www.sciencedirect.com/science/article/pii/S1053811912002996#>
>
> One other quick question regarding monte Carlo correction in qdec - when I
> use more stringent p thresholds my significant clusters get smaller as one
> might expect but I also see a completely new, small cluster in the Cingulum
> which is not seen at less stringent thresholds - is this kind of behaviour ok
> ?
That sounds wrong. Can you send a pic?
>
> Thanks.
>
> Mahinda
>
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