<div dir="ltr"><div>Hi Stephen,</div><div><div>Thank you for your answer. The length of the epochs in our case is not constant. Does anyone know if there is a way to specify eopchs having variable length in EEGLAB ?</div><div>
Thank you</div></div><div><br></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Wed, May 14, 2014 at 8:18 AM, Stephen Politzer-Ahles <span dir="ltr"><<a href="mailto:spa268@nyu.edu" target="_blank">spa268@nyu.edu</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi Shahar,<div><br></div><div>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).</div>
<div><br></div><div>Best,</div><div>Steve</div></div><div class="gmail_extra"><br clear="all"><div><div dir="ltr"><div><br><br></div>Stephen Politzer-Ahles<br>New York University, Abu Dhabi<br>Neuroscience of Language Lab<br>
<a href="http://www.nyu.edu/projects/politzer-ahles/" target="_blank">http://www.nyu.edu/projects/politzer-ahles/</a><br></div></div>
<br><br><div class="gmail_quote"><div><div class="h5">On Tue, May 13, 2014 at 11:40 PM, shahar <span dir="ltr"><<a href="mailto:shahars10@gmail.com" target="_blank">shahars10@gmail.com</a>></span> wrote:<br></div></div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid"><div><div class="h5">
<div dir="ltr"><div>Hello,</div><div>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.</div>
<div>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 ?</div>
<div>Thank you,</div><div><br></div><div>Shahar</div></div>
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