[Eeglablist] Wavelet analysis result combination

Makoto Miyakoshi mmiyakoshi at ucsd.edu
Thu Feb 2 10:01:09 PST 2017

Dear Julian,

If you are talking about STUDY (i.e. group-level solution), yes you can do
it. You can combine Ahit and Amiss conditions into one condition by using
STUDY.design from GUI.

For a single-subject analysis, you need to create a .set that contains Ahit
and Amiss to represent Ahit + Amiss. But I don't think you can perform
single-subject ERSP subtraction test (at least with decent statistics).


On Tue, Jan 31, 2017 at 10:20 AM, Julian Yaoan Cheng <jycheng0 at stanford.edu>

> Hi all,
> Lets say I have conditions A,B for which there are sub-categories hit and
> miss, forming Ahit, Amiss, Bhit, Bmiss.
> If I'm interested in seeing [A vs B], [Ahit vs Amiss], and [Bhit vs Bmiss]
> analyses, can I do just 2 separate wavelet analyses [Ahit vs Amiss] and
> [Bhit vs Bmiss], and then use algebra on the ERSP matrix to generate [A vs
> B] (as in: [(Ahit + Amiss) - (Bhit + Bmiss)])? Or do I have to pool the
> epochs and do a third wavelet of [A vs B] proper?
> I am assuming of course that all wavelet parameters are the same (cycles,
> baseline, frequency/times ...etc).
> Thanks,
> Julian
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Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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