[Eeglablist] Chopping RAW binary file

[Tarik S Bel-Bahar]

Hello Shayan,

let me know if this helps a little..

As it seems you are new to eeglab, please be sure to review the EEGLAB wiki
and tutorial.
Please also remember you can always search for your answer first
via Google and on the archives of eeglablist.

Your questions seems to be about epoching the .raw files that you export
from netstation.
After you have correctly imported the .raw files into eeglab, you should
have no problem,
as long as your RAW files have basic event labels that eeglab can read.

Please see Chapter 5 [Extracting Data Epochs]
of Part 1 of the wiki manual on http://sccn.ucsd.edu/wiki/EEGLAB.
You should be able to go to Tools > Extra Epochs, and select STRT as the
event marker,
and [-1000 1000] for the epoch length. This should create as many epochs
as possible from your eeglab file.

You can click directly to the Chapter 5 Extract Epochs link below.


I. Single Subject Data
Processing<http://sccn.ucsd.edu/wiki/I.Single_subject_data_processing_tutorial>

   - Chapter 01: Loading Data in
EEGLAB<http://sccn.ucsd.edu/wiki/Chapter_01:_Loading_Data_in_EEGLAB>
   - Chapter 02: Channel
Locations<http://sccn.ucsd.edu/wiki/Chapter_02:_Channel_Locations>
   - Chapter 03: Plotting Channel Spectra and
Maps<http://sccn.ucsd.edu/wiki/Chapter_03:_Plotting_Channel_Spectra_and_Maps>
   - Chapter 04: Preprocessing
Tools<http://sccn.ucsd.edu/wiki/Chapter_04:_Preprocessing_Tools>
   - Chapter 05: Extracting Data
Epochs<http://sccn.ucsd.edu/wiki/Chapter_05:_Extracting_Data_Epochs>
   - Chapter 06: Data
Averaging<http://sccn.ucsd.edu/wiki/Chapter_06:_Data_Averaging>
   - Chapter 07: Selecting Data Epochs and
Comparing<http://sccn.ucsd.edu/wiki/Chapter_07:_Selecting_Data_Epochs_and_Comparing>
   - Chapter 08: Plotting ERP
images<http://sccn.ucsd.edu/wiki/Chapter_08:_Plotting_ERP_images>
   - Chapter 09: Decomposing Data Using
ICA<http://sccn.ucsd.edu/wiki/Chapter_09:_Decomposing_Data_Using_ICA>
   - Chapter 10: Working with ICA
components<http://sccn.ucsd.edu/wiki/Chapter_10:_Working_with_ICA_components>
   - Chapter 11: Time/Frequency
decomposition<http://sccn.ucsd.edu/wiki/Chapter_11:_Time/Frequency_decomposition>
   - Chapter 12: Multiple
Datasets<http://sccn.ucsd.edu/wiki/Chapter_12:_Multiple_Datasets>



On Fri, Jan 4, 2013 at 9:20 PM, Shayan Kamanzadeh <
shayan.kamanzadeh at student.kuleuven.be> wrote:

>   Hello Everyone;
>
> I have a question with the EEGLAb. I have some raw data which are
> extracted from the “net-station”. I want to cut the signals within these
> raw binary data one second before and after the “STRT” tag. It means I want
> to cut it to some files(number of repetition of tag) with the length of 2
> second in which the “STRT” tag, is in the middle and it contains all the
> 256 channels.
> (|<—1s—“STRT”—1s—>|)
>
> If anybody could help me please?
> Regards.
>
>
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