[Eeglablist] How to add Digital trigger as events? (Nayab Asif)

[Bethel Osuagwu]

Hi  Nayab,
Are you saving your file as .mat  in Simulink?? If so you should make sure
that the 65th channel is actually the trigger channel as the first channel
may be time added by Simulink. The trigger channel could be 66th channel.
In this case it could be taking so much time because the EEGLAB function is
seeing lots of triggers because you are using an EEG channel as trigger? I
hope this helps.

Thanks
Bethel

On Sat, Sep 1, 2018 at 8:00 PM, <eeglablist-request at sccn.ucsd.edu> wrote:

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>    1. How to add Digital trigger as events? (Nayab Asif)
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> ---------- Forwarded message ----------
> From: Nayab Asif <nayabasif at yahoo.com>
> To: eeglablist at sccn.ucsd.edu
> Cc:
> Bcc:
> Date: Sat, 1 Sep 2018 01:37:05 +0000 (UTC)
> Subject: [Eeglablist] How to add Digital trigger as events?
> Hi everyone,
>
> I have 64 channel EEG data recorded for 3 different movements. I generated
> pulses of different heights using nidaq  as triggers at the 65th channel of
> my gtec EEG recorder.
>
> Now i am unable to import these triggers to mark the events. I tried to
> use add event info but it takes forever and doesn't work.
>
> I tried to add by using .mat file as well (Where i extracted the triggers
> by using peakdetection), but it has the latency problem.
>
>
> Can anyone guide me please how to add the events by using the triggers
> generated ta 65th channel.?
>
> BR.
>
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-- 
*Bethel A. C. Osuagwu*
Clinical Research Fellow

*Stoke Mandeville Spinal Research*
National Spinal Injuries Centre
Mandeville Road
Aylesbury
Bucks
HP21 8AL
Tel: 01296 31 5963 (Applied NeuroLab)
*lifeafterparalysis.com <http://lifeafterparalysis.com/>*
@lifeafterpara

*justgiving.com/smsr <http://justgiving.com/smsr>*
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