[Eeglablist] Notch filtering

Makoto Miyakoshi mmiyakoshi at ucsd.edu
Thu Aug 13 14:55:54 PDT 2015

Dear Eric,

Widmann, Shoroeger, Maess, 2015. Digital filter design for
electrophysiological data - a practical approach. J Neurosci Method.

They recommend to use CleanLine, a plugin for EEGLAB.


On Tue, Aug 11, 2015 at 3:09 AM, Eric HG <erichg2013 at gmail.com> wrote:

> Hi,
> We're currently using a Butterworth filter to remove the line noise from
> EEG recorded in Europe (50 Hz). However, I'm not sure how wide the notch
> filter should be? 45-55 Hz notch filter?
> However, even with a notch filter for only 50 Hz I'm afraid of any phase
> distortion in the adjacent frequency bands when we look at for example the
> power between 40 and 50 Hz. Is there a better solution for this problem?
> Best,
> Eric
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Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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