[Eeglablist] ERP study

[Tarik S Bel-Bahar]

Greetings Konstantina, some notes below, best wishes.


****************************************************

It really depends on the papers you are looking at, and the goals set
forward by your advisers. If you find an article you wish to emulate in a
high-quality journal (ideally) then you should try to mimic their methods
closely. There are no "correct electrodes" for color or music note
classifiaction, though of course, posterior brain regions are more involved
in visual processing, and auditory regions are more involved in auditory
processing. Note that EEG channels pick up data from all parts of the
brain, not just the part of the brain over which they are placed.

Because the emotiv system is a sparse eeg (and relatively low quality
consumer grade) it is probably best if you use all available clean channels
and go from there.

If you are a newbie, your best bet s to first take the required time to
read EEG books from Steve Luck, from Micheal X Cohen, review basic
processing tutorials/powerpoints/videos on the eeglab and erplab websites,
and definitely practice with eeglab tutorial data and tutorial steps. All
these resources are googlable. EEGLAB, ERPLAB, and Cohen all have extensive
free information online.




On Tue, Aug 22, 2017 at 4:46 AM, Konstantina Tsekoura <
tsekou at ceid.upatras.gr> wrote:

> Hello everyone,
>
> I carried out an experiment with emotiv epoc+ headset(14 channels) for my
> undergrad thesis that i show to participants a video with Colors and
> Musical Notes and i would like to preprocess these data and find if there
> is correlation between these Colors and Notes.
> Arround the internet i found some papers related to channel selection for
> Color Classification and some other papers using musical notes to their
> experiments and the first ones using temporoparietal channels and the
> second P3,P4,O1,O2, so i think that i have to use T7,T8,P7,P8,01,02.
> Am i right?
>  p3/p4 are the referrence channels in emotiv's headset. can i use them in
> some way? Can i re-referrence my data in other channels so to use P3/P4 and
> if yes, in which channels can i re-refference them?
> Sorry for wasting your time with maybe some newbie questions but i am real
> troubled with this.
> Any suggestions and/or advice will be greatly appreciated.
>
> ~Konstantina
>
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