[Eeglablist] frequency time plot

Makoto Miyakoshi mmiyakoshi at ucsd.edu
Tue Oct 7 17:35:39 PDT 2014

Dear Nishanth,

In the time-frequency plot the color-coded data has a unit of dB. If you
want to have raw data you have to convert it back to power and also disable
baseline subtraction.


On Tue, Oct 7, 2014 at 1:42 PM, nishanth reddy <nishanth.reddy56 at gmail.com>

>  Thank you for your previous reply !
>     I'm new to EEGLAB and i've a problem in plotting Time-Frequency graph.
>     Whenever I plot the TvsF graph , without or with a baseline , I cannot
> see
>     the actual power of my frequency. on the Y-axis it's showing me the  %
> of
>     ERSP and when i compare it with my sleep pattern recording software ,
> the
>     actual frequency dominating is between 4-6 , but in my TvsF graph , it
>     doesnt look like that .
>     How can I get the actual power of my frequency?
> --
> Thanks&Regards
> Nishanth
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Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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