[Eeglablist] steps using neuroscan to analyze auditory steady-state response (ASSRs)

[Makoto Miyakoshi]

Looks ok though I don't know that the spline fit does.
I would advise you that you should clean your signal using ASR. To do it,
download clean_rawdata. It performs high-pass filter too.
http://sccn.ucsd.edu/wiki/Plugin_list_process
This should be done before epoching.

Makoto


2013/12/6 chen128 <chen128 at bu.edu>

> Dear all;
> I have a beginner question in analyzing the auditory steady-state
> response. I have some EEG data ready and tried to follow the steps in
> the following paper, but I am not sure if my steps are right. So I
> wonder if anybody can check it for me? Thanks a lot!
>
> Referenced paper:
> Saupe et al. (2009). Effects of intermodel attention on the auditory
> steady-state response and the event-related potential.
> Psychophysiology, 321-327.
>
> My steps from the raw cnt file:
> 1) High pass (.5 Hz)
> 2) Epoch (say, -200 to 800 ms)
> 3) baseline correction and artifact rejection
> 4) cut epoch  (say, 150 ms to 750 ms, including 24 cycles of interested 40
> Hz)
> 5) spline fit
> 5) FFT on the spline fitted data
>
> Thanks again!
>
> S. Chen
>
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-- 
Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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