[Eeglablist] artifact rejection for abnormal trends

[Makoto Miyakoshi]

Dear Arno,

I don't understand it either. Maybe it requires more explanation.
Would you help us please?

Makoto

2012/8/22 Joshua Hartshorne <jkhartshorne at gmail.com>:
> I am using ICA to correct for blinks. Prior to running ICA, I am doing a bit
> of minimal data-cleaning so that my ICA is reasonably good. I rejected and
> replaced bad channels (kurtosis, threshold=4) and then am rejecting epochs
> based on an abnormal linear trend of greater than 150 (which I realize is
> quite generous).
>
> What I don't entirely understand is the minR option that one has to set for
> the abnormal trend detection. The documentation says, cryptically, that it's
> the "minimal linear regression R-square value to allow in the data". What
> are we regressing? Is this mV against time? That is, is this a measure of
> how linear the trend is (1 = perfectly linear during the epoch)?
>
> Thank you. Josh Hartshorne
>
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-- 
Makoto Miyakoshi
JSPS Postdoctral Fellow for Research Abroad
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego