[Eeglablist] negative peak of P300

Rafia Akhter akhter.rafia1 at gmail.com
Tue Jul 20 22:00:00 PDT 2021

I am trying to get P300 and the dataset is from Steve Luck's erp core,
visual P3. I am filtering from 0.5 to 30 Hz and extractong epochs for rare
stimuli ( 11,22,33,44,55 event codes ). The peak is negative . I want to
know the reason .


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