Dear HCP Experts, I am inspecting the HCP rfMRI data. For each subject, there are two sessions with 2 runs (LR&RL) in each session, yielding 4 files in total. Although we can concatenate all the four time series and do the correlation, I found the memory needed is more than the memory I have on lab computer, leading to a very slow calculation. So I am wondering the difference between using only one run and using all the four runs. Will it give wrong results if I use only one run?
Many thanks! Chao
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