[Eeglablist] channel location problem: ipsilateral and contralateral question
bradley.voytek at gmail.com
Tue Dec 28 22:06:38 PST 2010
Swap the data, not the channels. Leave the channels alone.
Just move the actual data from EEG.data from one hemisphere to the other.
On Mon, Dec 27, 2010 at 18:33, Xiaoxi Chen <nancy.chen.psy at gmail.com> wrote:
> Dear all,
> My visual stimuli was presented on either left visual field or right visual
> field, so I had to label channel locations on the ipsilateral and
> contralateral sides, and then average the contralateral side of both left
> presented stimuli and right presented stimuli (the same with ipsilateral
> side of both left presented stimuli and right presented stimuli ). Here I
> got a question:
> How can this be done in EEGlab?
> I tried to isolate left and right stimuli into two single datasets and load
> different channle location files separately, but I had to append these two
> datasets to draw Sum/Compare ERP waves. While how does EEGlab append several
> datasets- based on the number of channel location, or the name of channel
> location? If these two datasets had different channel location file, then
> the appended dataset would not have an unnified channel location. How to
> solve this problem.
> And how does "Sum/Compare ERP waves" draw waves - based on number of
> channel location, or the name of channel location?
> Can you give some suggestions?
> Thanks for your time.
> Xiaoxi Chen,
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