[Eeglablist] ICA component rejection

Mostafa IR mostafa.rouzbahani at gmail.com
Fri May 8 13:34:47 PDT 2015

Dear Laura
I will be glad to use your plugin and count on your help.

Dear Makoto
Thanks for your link and your advice. I used to make a big mistake about
ICA with neglect of data point rule of thumb.
I have a new question. My data is about emotions. In my case the person saw
a picture for 5-sec and eeg with 16 channels at 512HZ captured. 10 picture
with the same content show to the person.
1)Can I append these 5-sec data together for creating a longer data and
after that use the ICA?
2) If the first question is yes can I separate my data again to 5-sec and
use the ICA weights of merged data?

Best Regards
On Fri, May 8, 2015 at 23:37 Makoto Miyakoshi <mmiyakoshi at ucsd.edu> wrote:

> Dear Mostafa,
> First of all, how did you get ICA work on the 5-sec data?
> For the example of efficient and flexible group-level IC rejection, see my
> wiki page below.
> http://sccn.ucsd.edu/wiki/Backproject_clustered_ICs
> Makoto
> On Fri, May 8, 2015 at 12:14 AM, Mostafa IR <mostafa.rouzbahani at gmail.com>
> wrote:
>> Hi
>> I want reject bad component after ICA analysis. I read the chapter09 ,
>> Julie Onton
>> Scott Makeig paper and ... . Except eye artifact the others are very hard
>> to distinguish in other hand my data is very large(360 data set each one 5s
>> without any event) and it's hard to reject all of them manually. I try to
>> use MARA  plugins but it need at least 15s of EEG which my data are 5s. Is
>> there any other plugin to help me for bad component rejection
>> automatically?
>> Thank you
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> --
> Makoto Miyakoshi
> Swartz Center for Computational Neuroscience
> Institute for Neural Computation, University of California San Diego
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