[Eeglablist] add events to the EEG data

Tarik S Bel-Bahar tarikbelbahar at gmail.com
Fri Feb 6 07:31:24 PST 2015

Hello Karlo, Hoping the below helps you a bit to move forward. Cheers, Tarik

Please first review these online tutorial pages if you haven't had a chance
to yet.

Although there are other ways, you may try these steps:

1. Add an event using the GUI, and use the eegh command to see how you
should script it.
2. Make a matlab loop that runs through the events in your EEG file, and
finds the time of each your A events.
3. For each time from point 3, make a new time that is 1.5 second after
each A.
4. Make a new set of events called A at each of the times you derived at
Step 4.

You may use the "eeg_addnewevents" function in the eeglab distribution,
which should allow you to do step 5 above.

**make sure you have your times in the correct format (e.g, samples or
seconds as necessary for each function)

**in your loop you could write an event each time you find an event 'A' but
it's quicker if you make all the times at once with the eeg_addnewevents

**You may also explore other options for loading a text file with times to
be added in as events.


On Thu, Feb 5, 2015 at 5:16 PM, karlo gonzales <thats_karlo at yahoo.com>

> Hi,
> We have an EEG data  with several events, which marked as 'A' and repeated
> every 5 sec.
> what i am looking for is a way to add extra events to the data such as
>  event '1' and appears 1.5 sec after event 'A'.
> i am looking forward to hear from you.
> Thanks in advance,
> Karlo
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