Reconstruct Trigger signal from EEG.events

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DavidJG
Posts: 1
Joined: Mon Feb 07, 2022 10:04 am

Reconstruct Trigger signal from EEG.events

Post by DavidJG »

Hello everyone,

I would like to know if it is possible to reconstruct the standard squared signal of a trigger (picture attached) from the events data extracted with EEGLAB in Matlab (picture attached).

Basically, we are using a Biosemi system to record EEG plus six external channels with an external trigger. During the recording we can see the trigger is received by the Actiview software but we don't know how to visualise this same trigger signal from the data saved (.bdf).

Thanks,
David
Attachments
trigger_example.png
trigger_example.png (7.79 KiB) Viewed 6872 times
screenshot_events.png
screenshot_events.png (11.32 KiB) Viewed 6872 times

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