[Eeglablist] multiple tasks on one cnt file

[Peter de Lissa]

Hi Brian,
Yes you could make a number of triggers with specific conditions and then collapse across them later if you didn’t want to separate them for some analyses. 

Peter

> On 15 Jun 2019, at 3:00 pm, Kavanaugh, Brian <brian_kavanaugh at brown.edu> wrote:
> 
> Peter, 
> 
> This is great, thank you. Quick follow-up.
> 
>  When trying to create a code from this for multiple participants, the issue is that the # type for the start/stop trigger may be different for each participant (depending on how they answered). because of the varying place for the start/stop triggers, a code like this wouldn't work: "EEG = pop_editeventvals(EEG,'changefield',{631 'type' 'stop_1007  Task 1 (start/stop)'});".
> 
> is there a way to get around this? maybe noting something such as if 1st occurrence of trigger 1007, then 1007_start, if 2nd occurrence, then 1007_stop?
> 
> Thank you!
> 
> Brian
> 
>> On Sat, Jun 15, 2019 at 8:43 AM Peter de Lissa <pdelissa at gmail.com> wrote:
>> The trigger values can be changed by changing values in EEG.event when you load up the files. You can modify the event names as well as the time of the events if necessary. You can then epoch the conditions according to the numbers you choose for your conditions. 
>> 
>> 
>> > On 15 Jun 2019, at 12:57 pm, Kavanaugh, Brian <brian_kavanaugh at brown.edu> wrote:
>> > 
>> > Hi all,
>> > 
>> > I have cnt files that contains resting and two tasks and i'm looking to
>> > separate into 3 separate files. there are markers to signify the task, but
>> > start and stop are the same event (e.g., 1001 for resting start/stop, 1005
>> > for go/nogo start/stop, etc). does anyone know the easiest way to extract
>> > into 3 separate files? related, does anyone know how to rename triggers to
>> > reflect their order of appearance? thank you!
>> > 
>> > brian
>> > 
>> > -- 
>> > Brian Kavanaugh, PsyD.
>> > Pediatric Neuropsychologist, E. P. Bradley Hospital/Rhode Island Hospital
>> > Assistant Professor (Research), Warren Alpert Medical School of Brown
>> > University
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> 
> 
> -- 
> Brian Kavanaugh, PsyD.
> Pediatric Neuropsychologist, E. P. Bradley Hospital/Rhode Island Hospital
> Assistant Professor (Research), Warren Alpert Medical School of Brown University