artifact rejection with limited time period

[Rodrigo A. Montefusco Siegmund]

Hi

try using this command line

cfg.latency     = [0 1.5];

I hope it helps
best regards

Rodrigo


> Hello,
>
> I'm looking for a way to run rejectvisual on specific time periods without
> cropping the epochs. We are
> working on intracranial EEG data, with eye movement parameters (x,y,
> pupil) added from the eye
> tracker. Subjects make eye movements to target in the periphery. Our epoch
> is between [-1.0 2.5]
> around the onset of the response phase, where subjects are instructed to
> make eye movements
> (usually eye movements are detected around .25 to .35 after the onset of
> the response phase).
>
> I'd like to reject trials where subjects made wrong/unnecessary eye
> movements during the response
> phase.
>
> Currently, I'm running
> cfg = [];
> cfg.alim = 6e3;
> cfg.method = 'channel';
> good = rejectvisual(cfg.ft_data);
>
> to visualize eye channels, but I'd like to limit the display only to [0
> 1.5] around the response phase
> (eye movements during intertrial interval is not much of a problem for
> now). I don't think it's a good
> idea to trim data only to this period, considering I'd like to run ERP and
> TFR on this data.
>
> So, is there any commands I can add to limit the display time periods in
> rejectvisual, but at the end of
> the day, I can still keep the intact epochs?
>
> Thanks in advance! Akiko
>
> ----------------------------------
> The aim of this list is to facilitate the discussion between users of the
> FieldTrip  toolbox, to share experiences and to discuss new ideas for MEG
> and EEG analysis. See also
> http://listserv.surfnet.nl/archives/fieldtrip.html and
> http://www.ru.nl/neuroimaging/fieldtrip.
>


===================================
Rodrigo A. Montefusco Siegmund
Doctorado en Ciencias Biomédicas
Programa de Fisiología y Biofí­sica
I. C. B. M. Facultad de Medicina
Universidad de Chile
Fono: 56 09 82793847
email:  rmontefusco at med.uchile.cl
===================================

----------------------------------
The aim of this list is to facilitate the discussion between users of the FieldTrip  toolbox, to share experiences and to discuss new ideas for MEG and EEG analysis. See also http://listserv.surfnet.nl/archives/fieldtrip.html and http://www.ru.nl/neuroimaging/fieldtrip.