[Eeglablist] questions about ERP time-frequency analysis

Makoto Miyakoshi mmiyakoshi at ucsd.edu
Thu Mar 6 19:53:03 PST 2014


Dear Min,

> I want to do FFT in one trial and get the power value for one frequency
band (such as alpha or beta) , then average across all trials.

You need to write a code for this.

> My ERP data was separated into 2 bins, can I do FFT and get power of
alpha band or beta band value for each bin?

As long as the bin is wide enough for FFT, of course.

Makoto

2014-03-05 9:06 GMT-08:00 Min Sheng <Min.Sheng at utsouthwestern.edu>:

>  Dear all,
>
> I have a question about how to do time-frequency analysis with ERP data. I
> want to do FFT in one trial and get the power value for one frequency band
> (such as alpha or beta) , then average across all trials.
>
>
>
> My ERP data was separated into 2 bins, can I do FFT and get power of alpha
> band or beta band value for each bin? I want to do some T- test
> furthermore.  Can I do it on GUI or I have to write script?
>
>
>
> Thank you
>
>
>
> Best regards,
>
>
>
> Min Sheng
>
>
>
> ------------------------------
>
> UT Southwestern Medical Center
> The future of medicine, today.
>
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-- 
Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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