Hello Everyone, My MNE version: e.g. 0.23.0 and operating system: Windows 10. I am new to the mne. I would like to preprocess my database, which I download from here ( Event-Related Potentials (P300, EEG) - BCI dataset | IEEE DataPort ). I working on the P300 Potentials from the EEG signal. I used …

Hello @PawBorEngineer and welcome to the forum! Regarding the scaling issue, I assume that the data are not in the unit expected by MNE. MNE works with SI units, this means voltage has to be in the unit of Volts. I cannot access the dataset you’re using, but I’d assume it’s probably scaled to µV? I…

Hello @richard Thank you very much for your response. Can you please, help me check if the data id in yhe correct units as I attached it to the case via link Share - Google Drive . I also added in the link the read me file where they recommend to open the database with the Pickle command. Can you …

Hello, it’s impossible to know which scaling was used originally – you’d have to ask the creators of the dataset. That said, I found that scaling the values by 10^-5 seems to put it into a somewhat reasonable range: # %% import pickle import pathlib infile = pathlib.Path('data_allsubjects') all_…

Hello @richard , Apologies for tagging you on that. But maybe you recomend to add some filtering to that dataset ? Best Regards Pawel Borowiak

Hello, [image] PawBorEngineer: But maybe you recomend to add some filtering to that dataset ? I’m not sure what you mean by that?

I have a problem with creating a plot and sensor placement from my database

Support & Discussions

PawBorEngineer (Paw Bor Engineer) May 25, 2022, 8:28pm 5

Hello ,

Thank you very much for the solution for my problem.

I just want to ask you one more thing is it possible to move the sensor placement to have them inside the head on the results ?

Thank you in advance!
Pawel

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I have a problem with creating a plot and sensor placement from my database

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