[FieldTrip] re-referencing EEG signals

[Hwee Ling Lee]

Hi,

Thanks, Max and Joern.

Another question, is there an easier way to re-reference the EEG signals to
an averaged montage?

Cheers,
Hweeling



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.
>
> Best,
> Jörn
>
>
> 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?
>>
>> Thanks.
>>
>> Best regards,
>> Hweeling
>>
>>
>>
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>>
>
>
> --
> 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
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>
> Contact:
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> Tel:    +31-(0)24-36-68493
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>
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>
>


-- 
=================================================
Dr. rer. nat. Lee, Hwee Ling
Postdoc
German Center for Neurodegenerative Diseases (DZNE) Bonn

Email 1: hwee-ling.lee<at>dzne.de
Email 2: hweeling.lee<at>gmail.com

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