[Eeglablist] extracting epochs between 2 adjacent events

[Stephen Politzer-Ahles]

Hi Shahar,

Would this result in variable length epochs? If so, I don't think EEGLAB
can do that (last time I checked), but it would be possible in FieldTrip.
If the epoch lengths wouldn't be variable (e.g., if you know that every
backward_stop event is exactly 1 second after the preceding backward_start
event) then I imagine you would be able to do this with the traditional
method (extracting epochs based on just backward_start).

Best,
Steve



Stephen Politzer-Ahles
New York University, Abu Dhabi
Neuroscience of Language Lab
http://www.nyu.edu/projects/politzer-ahles/


On Tue, May 13, 2014 at 11:40 PM, shahar <shahars10 at gmail.com> wrote:

> Hello,
> As I've seen, there is an option to extract epochs based upon a single
> event, and in this case one can specify the start & end times of these
> epochs, relatively to each single event.
> I want to specify the epochs differently: I want to use a couple of events
> to define a single epoch. for instance, if we look at a patient going
> backwards, I want the epoch to start half a second before the event
> "backward_start", and end half a second after the next "backward_stop"
> event. Is it possible to specify epochs in this manner and how ?
> Thank you,
>
> Shahar
>
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