[Eeglablist] extract certain frequency from the EEG channel

[Arnaud Delorme]

Dear Ida,

to get narrow frequency bands, you simply need to increase your window size. See this page

http://electronics.stackexchange.com/questions/12407/what-is-the-relation-between-fft-length-and-frequency-resolution

Best,

Arno

On Nov 10, 2013, at 9:51 AM, Ida M <ida.miokovic at gmail.com> wrote:

> Dear List,
> 
> I would really appreciate any opinion of what would be the best way to extract certain frequency from the dataset of EEG recordings with the boundaries as narrow as possible (+-0.5Hz)?
> 
> In frequency domain it would be a bandpass filter that is reversed notch filter but there is no such option in EEGLAB. Which of the offered filters would be the most appropriate and with what parameters?
> 
> I am aware of the fact that any filter would distort data in certain way so it would be good to have as minimum as possible distortion.
> 
> Thank you very much
> 
> All the best
> Ida 
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