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

[Andreas Widmann]

Hi Chen,

* What do you mean by „spline fit“? Not in original paper.
* Multitaper-FFT as e.g. provided by Fieldtrip avoids leakage problems and is superior vor ASSR analysis.

Best,
Andreas

Am 06.12.2013 um 22:14 schrieb 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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