Dear FreeSurfer Staff,

We have conducted a brain volume study in normal Thai elderly. We found that the process time to analyze the brain of 20% of our subject took over 40 hours. The maximum process time is 99 hours. Eventhough the size of imaging file is around 20 MB and use “recon -all” command to process file.

It would be grateful if you could help to explain tedious process time of FreeSurfer and how to shorten this process time.

Our Machine spec. is as following:
• INTEL i5 – 4260U CPU@1.4GHz
• RAM 8 MB
• Cent OS 6.x

Best Regards

Ritthikrai Thaweecharoen

Data Scientist

Research and Development Department

Tel: 02 755 1919

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