Could be a number of factors, like number of runs and TRs within the runs. Do you have more details about your analyses and setup?
If you have a multiprocessor computer, you can speed up the 3dDeconvolve loop using the following options to spawn multiple threads. See example 7 for more details.
-regress_opts_3dD -jobs 4
Edited 1 time(s). Last edit at 08/26/2012 10:18AM by Peter Molfese.
