[Eeglablist] EEG.ref vs EEG.chanlocs.ref?

[Arnaud Delorme]

Dear Simon,

yes, there is nothing on the wiki about this. In short, each channel may now have his own reference. As a consequence you could potentially have two channels with different references. The EEG.ref fields is a summary fields that indicates to the users which reference are being used (it is however for information only and the real references are stored and manipulated in EEG.chanlocs(x).ref, x being the channel index). I will put a note to remember to document that feature.

Best regards,

Arno

On Jun 15, 2011, at 5:35 AM, Simon-Shlomo Poil wrote:

> Dear EEGlab list,
> 
> I have noticed that in the newest version of EEGlab the old EEG.ref
> field has moved to EEG.chanlocs.ref (however with a .ref field per
> channel)
> 
> I cannot find any information about this change on the EEGlab wiki.
> Where should I look for documentation about this new way of storing
> reference information? And is there any good reason for doing this
> change?
> 
> Best regards,
> -- 
> Simon-Shlomo Poil
> 
> Neuronal Oscillations and Cognition Group (NOC)
> Department of Integrative Neurophysiology (INF)
> Center for Neurogenomics and Cognitive Research (CNCR)
> Neuroscience Campus Amsterdam
> VU University Amsterdam
> De Boelelaan 1085, Room B-435
> 1081 HV Amsterdam, The Netherlands
> 
> E-mail: simonshlomo.poil at cncr.vu.nl
> Phone: +31 20 5989408
> Webpage: http://www.poil.dk/s and http://www.cncr.nl
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