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Triggers in & out

Hi everyone,

I'm implementing my MEG experiment on Expyriment & I wanted to know how to correctly associate a trigger to a stimulus ?
I found the '' & the '' but I'm not quite sure how to use them properly. It's my first experiment so far so I'm kind of unsure about all this. I also can't seem to find example using these options that could give me some hints, so if anyone already implemented this could pitch in that would be awesome.

Thanks for your time,


  • Hi there,

    what exactly do you want to do? Since you mention MEG, it seems that you would like to send markers to the MEG system?

    If so, you can use the io.MarkerOutput to send markers at any point in time (e.g. right after presenting a stimulus, since you mentioned this).

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