Sorry, I meant to say "I observed those time course, but COULDN'T see anything that are possiblly related to our task. "
Xuelin
****************************************
Xuelin Cui
Department of Electrical Engineering
University of Hawaii-Manoa
Honolulu HI 96822
Tel: 1-808-349-0983
Email: [log in to unmask]
****************************************
----- Original Message -----
From: Xuelin Cui <[log in to unmask]>
Date: Monday, May 14, 2007 5:57 pm
Subject: [FSL] ICA question: Is time course strongly related to external stimulus?
To: [log in to unmask]
> Dear folks:
>
> I ran MELODIC to the fMRI data, and have a bunch of spatial ICs as
> well as some time course. I observed those time course, but could
> see anything that are possiblly related to our task. Since the
> unmixing matrix is solved by FastICA basically, is it really
> obviously related to external task? ex. If my external task is
> like periodic spikes in time domain, am I supposed see there is
> one time course looking like periodic spike, and thus its fourier
> spectrum is concentrated at some certain frequency?
>
> Thanks a lot
>
> Xuelin
>
> ****************************************
> Xuelin Cui
> Department of Electrical Engineering
> University of Hawaii-Manoa
> Honolulu HI 96822
>
> Tel: 1-808-349-0983
> Email: [log in to unmask]
> ****************************************
>
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