Re: [Freesurfer] optseq2 event duration definition

2012-05-14 Thread Douglas N Greve
In this case, the event will be 7 sec. The way it is set up, it assumes that you will use an FIR model to analyze the results (ie, not assuming a shape to the HRF), making it difficult to separate the various subevents to the event (though you can assume a shape to the HRF). It is appropriate t

[Freesurfer] optseq2 event duration definition

2012-05-14 Thread Andrew Valdespino
(1) Version: optseq2.c,v 2.21.2.1 (2) Computer operating system: Mac OS X Version 10.7.3 (3) Command line: Not relavant here (4) Description of the problem: A trial in my experiment involves a countdown (duration 2 seconds) followed by the event of interest (0.5 seconds) followed by a blank scre