Dear FreeSurfers,
suppose I should estimate the mean cortical thickness on a number N of ROIs (for instance, the left inferior temporal, the left middletemporal, and the left superior temporal). How would you suggest me to proceed? - Just performing a simple average of the 3 cortical thickness values obtained with the aparcstats2table? - Computing a weighted average of the 3 cortical thickness values obtained with the aparcstats2table? In this case, what would you use as weight? The area of the 3 regions?
Thank you. Best, Elisa
I think the right way is to weight by the area, but for those 3 I bet it makes almost no difference. doug
On 8/20/14 5:34 AM, elisa veronese wrote:
Dear FreeSurfers,
suppose I should estimate the mean cortical thickness on a number N of ROIs (for instance, the left inferior temporal, the left middletemporal, and the left superior temporal). How would you suggest me to proceed?
- Just performing a simple average of the 3 cortical thickness values
obtained with the aparcstats2table?
- Computing a weighted average of the 3 cortical thickness values
obtained with the aparcstats2table? In this case, what would you use as weight? The area of the 3 regions?
Thank you. Best, Elisa
-- Elisa Veronese - PhD
/ Research Unit on Brain Imaging and Neuropsychology (RUBIN) / / Inter-University Center for Behavioral Neurosciences (ICBN) University of Udine and University of Verona, Italy / ICBN Website: http://icbn.uniud.it/tiki-index.php /
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Douglas Greve -
elisa veronese