[Eeglablist] Synchronization of EEG data with auditory stimulus

[ali zahedi]

Dear all,

I want to record the EEG data from subjects while they perform a primary
task. Meanwhile they should response to an auditory stimulus which is a
series of random beeps playing from a pc, and the subjects should press a
button when they hear the beep sound.
However, I do not know how to synchornize the beep generator with EEG data
and mark the events on EEG data.

The beep generator has the start, pause and stop button and it has its own
timer starting from 00:00:00:00 when the start button is pressed.

I will save the beep times, start and pause times and I would like to mark
these events on EEG data, but I do not know how to do that.

I would be very grateful if you can help me with this issue.

Kind regards,
Ali
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