Hi Cate,

it depends on the CNR of the single dataset. We do recons with single mp-rages all the time, but they are frequently phased-array and 3T data.

cheers, Bruce

On Sun, 21 Jan 2007, Catherine Alexandra Hartley wrote:

Hi,

I'm just beginning to use FreeSurfer and I have a very basic question. I'm doing a reanalysis of an existing data set looking at behavioral correlates of cortical thickness in a particular ROI. I only have one set of DICOMS for each subject. Is it ok to do the analysis on a single set of structural data or would the level of inaccuracies resulting from not averaging across multiple scans be undesirable?

Thanks, Cate

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