[Eeglablist] Help with difference in the frequency bands

[Makoto Miyakoshi]

Dear Sandeep,

> How do i separate signal for each task into alpha, beta , theta , gamma,
and delta frequencies.

I started the new wiki page for you. This is the beginning.
https://sccn.ucsd.edu/wiki/Makoto%27s_useful_EEGLAB_code

> Also how can i look into the differences(or difference in percentage
level) of each frequency band for the different tasks.
> is it possible to find the significant channel responsible for the
different tasks?

If you know how to perform statistics on Matlab, use statcond() or ttest()
etc. If you want to export the values into SPSS, do so by exporting the
values calculated above

> Do matlab bandpass filters help in showing up the different frequency
bands ?

Of course. EEGLAB has decent filter functions, and you can try them out
from GUI too.

Makoto


On Tue, Nov 22, 2016 at 9:41 PM, Sandeep B <b.sandeep29 at gmail.com> wrote:

> Dear Colleagues,
>
> I have data of 14 electrodes, with respective to 3 different tasks
> recorded for 2 minutes each.
>
> How do i separate signal for each task into alpha, beta , theta , gamma,
> and delta frequencies. Also how can i look into the differences(or
> difference in percentage level) of each frequency band for the different
> tasks.
>
> is it possible to find the significant channel responsible for the
> different tasks?
>
> Do matlab bandpass filters help in showing up the different frequency
> bands ?
>
> Thank you
> Sandeep
>
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-- 
Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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