[Eeglablist] ERD/ERS

[Makoto Miyakoshi]

Dear Rita,

> When I download the dataset, the subject, session, condition and group
are empty. But when I filled it, and the I precompute channel measures for
study the results are all messy!

These items are important to create STUDY design. You may want to double
check if you did not make any mistake.

> It is possible to do a time-frequency, for multi subjects, for more than
one channel?

I don't have experience in STUDY level analysis with channels, but it
should be possible. It sounds like you may want to check out and go through
EEGLAB tutorial. http://sccn.ucsd.edu/eeglab/eeglabtut.html Good luck.

Makoto

On Fri, Apr 17, 2015 at 7:20 AM, Rita Gouveia <ritabsgouveia at gmail.com>
wrote:

> Hello,
>
> I do not have experience at Matlab.
> I am trying to create a study but I am having problems. When I download
> the dataset, the subject, session, condition and group are empty.
> But when I filled it, and the I precompute channel measures for study the
> results are all messy!
>
> I have 7 subjects where each one do two different tasks. In the first task
> the subject moves the right arm, then the the left arm and finally, both
> arms. The second task the subject moves the right hand, then the the left
> hand and finally, both hands.
>
> I would like to do, arm vs hand spectral power comparison and also a scalp
> distribution of event-related desynchronization (ERD)  and event-related
> synchronization (ERS) of beta and mu bands in association with movements
> of the right, lef and both arm and hand.
>
> It is possible to do a time-frequency, for multi subjects, for more than
> one channel?
>
> Thank you very much for your help.
>
> Best,
> *Rita Gouveia*
>
> --
>
> *Rita Gouveia*
>
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-- 
Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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