I need to remove DC offset from my raw eeg signal. I have found that remove_dc=True parameter in mne.io.Raw.plot does it only for visualization. Is there any way to remove the dc bias from the EEG raw signal? or subtract the channel mean with the original raw signal? When plotting raw data, signal…

Hello @Mukil and welcome to the forum! I suggest you high-pass filter the data with a small lower bound, like 0.1 Hz. This should remove DC shifts. raw_filtered = raw.copy().filter(l_freq=0.1, h_freq=None) Best wishes, Richard

How to remove DC bias from continous raw eeg signal?

Support & Discussions

richard (Richard Höchenberger) Split this topic January 4, 2023, 8:56am 5

A post was merged into an existing topic: PSD: Power peaks at 25 and 0 Hz?

Topic		Replies	Views
DC offset in EOG channels Mailing List Archive (read-only) list-archive	0	107	July 25, 2008
Epoched Data not on the Plot Mailing List Archive (read-only) list-archive	3	165	January 22, 2018
About MNE C API Mailing List Archive (read-only) list-archive	6	256	September 4, 2016
shifting time-scale in RAW data Mailing List Archive (read-only) list-archive	7	273	April 29, 2014
notch filter for removing power chord signal Mailing List Archive (read-only) list-archive	6	496	September 13, 2012

How to remove DC bias from continous raw eeg signal?

Related topics