Re: [Freesurfer] optseq2 tnullmax

2014-02-06 Thread Douglas N Greve
This may be a bug that I fixed. Try this version ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/optseq2 On 02/06/2014 02:11 PM, Wei-chun Wang wrote: > Hi, I am trying to set up a design using optseq2, but the tnullmax > command doesn't seem to be functioning. the script runs and ou

[Freesurfer] optseq2 tnullmax

2014-02-06 Thread Wei-chun Wang
Hi, I am trying to set up a design using optseq2, but the tnullmax command doesn't seem to be functioning. the script runs and outputs files, but they exceed the tnullmax which i specify. is anyone familiar with this issue? this is what i am inputting: --tr 2 --psdwin 0 20 1 --ev easy 4 36 --ev ha

Re: [Freesurfer] optseq2 tnullmax

2009-10-20 Thread Douglas N Greve
By using tr=2, delta psd = 2 (ie, --pwdwin 0 20 2), and tnullmax=2, you are forcing each null to be exactly 0 or 2 sec, and optseq is having a hard time with such a hard constraint. You can try changing delta psd to 1. doug Kathrin Herbst wrote: > Hi, > I am having a related problem: > I don't

Re: [Freesurfer] optseq2 tnullmax

2009-10-20 Thread Kathrin Herbst
Hi, I am having a related problem: I don't want 0-events that last longer than a normal trial (2 sec) and lead to the fact that the number of a TR (2sec) in the run is not equal to the number of trials. Setting --tnullmax 2 produces an error: ERROR: could not enforce tNullMax (ntries=10)