[Eeglablist] Using a basline from different dataset

[Makoto Miyakoshi]

Dear Aleksandra,

It's unfortunate but I have to say that volunteers didn’t really relax and
you plot their data as if they were 'relaxed' is not correct. In other
words analysis does not help design deficit.

Try to find another way to view the data. There could be other
possibilities! Did you try common baseline option by the way (see recent
post about it; Arno gave it a detailed explanation).

Makoto


2013/11/15 Stephen Politzer-Ahles <politzerahless at gmail.com>

> Hi Aleksandra,
>
> I don't think there are any built-in functions for EEGLAB for this, but it
> should be easy to do with some MATLAB scripting. But you would need to
> provide more information about specifically what you need done (i.e., how
> are the trials in your experiment organized, are you wanting for each trial
> of condition A to be baseline-corrected to the previous trial of condition
> B, or baseline-correct the average of one condition to the average of
> another, or what?). I am not sure if this is common practice, though.
>
> Best,
> Steve
>
>
>
> Stephen Politzer-Ahles
> New York University, Abu Dhabi
> Neuroscience of Language Lab
> http://www.nyu.edu/projects/politzer-ahles/
>
>
> On Thu, Nov 14, 2013 at 1:37 PM, Aleksandra Vuckovic <
> Aleksandra.Vuckovic at glasgow.ac.uk> wrote:
>
>> HI
>>
>> We are analysing two conditions recorded during the same session on the
>> same group of volunteers,  and would like to calculate ERSP for each
>> condition. It seems however that volunteers didn’t really relax in between
>> trials in one of the experimental condition (many of them continued with
>> the experimental task)  so we’d like to use the baseline of one condition
>> on both conditions. Can anyone advise is how to do it?
>>
>> Many thanks,
>>
>> Aleksandra
>>
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-- 
Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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