[Eeglablist] Homogenizing EEG.times

[Arnaud Delorme]

Dear Caspar,

the best is probably to re-extract data epochs from the Net-station file based on your time locking events. Even if you already have data epochs, it is possible to extract subepochs. This should take care of the latency of time locking events.

Best,

Arno

On Jul 26, 2011, at 11:19 PM, Caspar M. Schwiedrzik wrote:

> Dear EEGLab list, 
> we face the following problem: We have one set of recordings that went through Brain Vision Analyzer 2 before it came into EEGLab, and one set that went through Net Station. The two sets should be analyzed together, and they come into EEGlab as segments. However, the EEG.times differ for the two set, although segment length is identical. The issue is that the Net Station segments go from 0:1046, while the BVA segments go from -347: 699. It seems rather straightforward to change EEG.times, EEG.xmin, and EEG.xmax, but that will not change the timing of the triggers/events. 
> Is there a routine to change all the triggers at once? If not, is there a list where in the whole EEG structure triggers have to be changed? It seems to be that triggers are listed at least in event, urevent, and epoch. 
> Thanks and kind regards, 
> Caspar M. Schwiedrzik
> 
> 
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