[Eeglablist] bandwidth powers calculation over time

[Makoto Miyakoshi]

Dear Chong,

You may want to try Simon-Shlomo Poil's NBT. Should fit your needs, I
believe.
https://www.nbtwiki.net/

Makoto

On Tue, Mar 29, 2016 at 7:25 PM, Chong Li <C.Li-1 at tudelft.nl> wrote:

> Hi everyone,
>
>
>
> I have problems in calculating (alpha power/theta power) over time. I have
> studied the tutorial, currently I am able to reject the artifacts using
> visual inspection and ICA. I can also calculate (alpha power/theta power)
> over channels using EEGLAB GUI. But I still have problems computing this
> correlation over time. Since I don't have experience in EEG analysis, any
> help would be appreciated.
>
>
>
> I collected the data using EMOTIV EPOC headset. In my analysis, I would
> like to see the correlation between alpha and theta. To normalize the
> power, these bandwidth powers will be divided by total power. Then I want
> to calculate (alpha power/theta power) over the first 20s period, and then
> update every 2s using a 20s moving window.
>
>
>
> Thanks for the help in advance.
>
>
>
> --
>
> *Chong Li *PhD student
> Department of Design Engineering
> Faculty of Industrial Design Engineering
> Delft University of Technology
> Landbergstraat 15, 2628 CE Delft, The Netherlands
>
>
>
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-- 
Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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