[Eeglablist] ICA Difficulties from Imported Biopac Data

[Makoto Miyakoshi]

Dear Ken,

> We are using two earlobe reference leads which are not actively recorded
in Biopac's Acqknowledge software.

So your two earlobe channels served the initial reference. This means that
your data are the difference from this two-earlobe channel.

> So, when I attempt to run an ICA script I do not have a channel to use
for re-referencing.

What do you mean by this? Do you mean you don't see the two-earlobe
channels? If so, that is normal and nothing is wrong. You should be able to
still re-reference to other channels (re-referencing to average
recommended).

Makoto

On Thu, Mar 24, 2016 at 12:31 PM, Ken Bennett <benne257 at uwm.edu> wrote:

> Hey all,
>
> I am having some difficulties identifying a reference channel in my EEG
> data imported from Biopac. We are using two earlobe reference leads which
> are not actively recorded in Biopac's Acqknowledge software. So, when I
> attempt to run an ICA script I do not have a channel to use for
> re-referencing. Has anyone else had this issue, or can anyone point me in
> the direction of someone that has? I am not sure if I should just remove
> the lines in the script for re-referencing...
>
> Any information would be extremely helpful!
>
> Thanks!
> Ken
>
> --
>
> Kenneth Bennett
> Second Year Clinical Graduate Student
> Affective Neuroscience Laboratory
> Department of Psychology
> University of Wisconsin-Milwaukee
> 334 Garland Hall
>
>
> *CONFIDENTIALITY NOTICE: *This e-mail message, including any attachments,
> is for the sole use of the intended recipient(s) and may contain
> confidential or proprietary information which is legally privileged. Any
> unauthorized review, use, disclosure, or distribution is prohibited. If you
> are not the intended recipient, please promptly contact the sender by reply
> e-mail and delete the message.
>
>
> _______________________________________________
> Eeglablist page: http://sccn.ucsd.edu/eeglab/eeglabmail.html
> To unsubscribe, send an empty email to
> eeglablist-unsubscribe at sccn.ucsd.edu
> For digest mode, send an email with the subject "set digest mime" to
> eeglablist-request at sccn.ucsd.edu
>



-- 
Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://sccn.ucsd.edu/pipermail/eeglablist/attachments/20160404/dcad988f/attachment.html>