[FieldTrip] re-referencing EEG signals
Hwee Ling Lee
hweeling.lee at gmail.com
Mon Jun 30 22:57:06 CEST 2014
Thanks, Max and Joern.
Another question, is there an easier way to re-reference the EEG signals to
an averaged montage?
On 30 June 2014 15:26, "Jörn M. Horschig" <jm.horschig at donders.ru.nl> wrote:
> Dear Hweeling,
> re-referencing is a linear step and can be done at any time preceding any
> non-linear transformation, e.g. computing a power spectrum. So it depends
> on what type of preprocessing you have planned, but for the most usual
> preprocessing steps the answer is that it would not make any difference
> when exactly you are doing this.
> On 6/30/2014 11:19 AM, Hwee Ling Lee wrote:
>> Dear all,
>> I was wondering if re-referencing of EEG signals should be done before
>> trial definition or after all the preprocessing have been done.
>> Would it make a difference in terms of statistical analyses?
>> Best regards,
>> fieldtrip mailing list
>> fieldtrip at donders.ru.nl
> Jörn M. Horschig
> PhD Student
> Donders Institute for Brain, Cognition and Behaviour
> Centre for Cognitive Neuroimaging
> Radboud University Nijmegen
> Neuronal Oscillations Group
> FieldTrip Development Team
> P.O. Box 9101
> NL-6500 HB Nijmegen
> The Netherlands
> E-Mail: jm.horschig at donders.ru.nl
> Tel: +31-(0)24-36-68493
> Web: http://www.ru.nl/donders
> Visiting address:
> Trigon, room 2.30
> Kapittelweg 29
> NL-6525 EN Nijmegen
> The Netherlands
Dr. rer. nat. Lee, Hwee Ling
German Center for Neurodegenerative Diseases (DZNE) Bonn
Email 1: hwee-ling.lee<at>dzne.de
Email 2: hweeling.lee<at>gmail.com
Ernst-Robert-Curtius Strasse 12, 53117, Bonn, Germany
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