[Eeglablist] spectral analysis of EEG signal
mmiyakoshi at ucsd.edu
Thu Oct 16 19:51:51 PDT 2014
Are these power in dB unit or uV^2? I would be interested in knowing if
there is any option to output uV^2 instead of dB.
On Thu, Oct 16, 2014 at 3:34 PM, Arnaud Delorme <arno at ucsd.edu> wrote:
> To obtain power at specific frequencies, enter them in the 'freqs' input
> and select 'plottype', 'curve' to plot the results as a curves against time
> instead of a time-frequency image.
> The output of newtimef always return the power which is being plotted.
> On Oct 16, 2014, at 2:39 PM, Makoto Miyakoshi <mmiyakoshi at ucsd.edu> wrote:
> Dear Arno,
> I'm also curious to know if there is a supported option to obtain the raw
> value from newtimef(). I've got a similar inquiry from John Iversen
> recently and I could not answer it.
> On Wed, Oct 8, 2014 at 1:02 PM, nishanth reddy <nishanth.reddy56 at gmail.com
> > wrote:
>> I'm doing Time-frequency analysis of my EEG signal to find out the power
>> of each frequency at particular time by plotting the channel time-frequency
>> I'm unable to give the length of hamming as 10 seconds and also , i'm not
>> getting the RAW power of frequency at time.
>> Is plotting the time frequency analysis right method to find out the
>> power of frequencies ? If not , can anyone send me the Matlab code to
>> perform the FFT(, Pwelch) to find out the power
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> Makoto Miyakoshi
> Swartz Center for Computational Neuroscience
> Institute for Neural Computation, University of California San Diego
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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